Please enter a valid full or partial manufacturer part number with a minimum of 3 letters or numbers

    AD8225 Search Results

    SF Impression Pixel

    AD8225 Price and Stock

    Analog Devices Inc AD8225ARZ

    IC INST AMP 1 CIRCUIT 8SOIC
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey AD8225ARZ Tube 1 1
    • 1 $12.74
    • 10 $8.993
    • 100 $6.9496
    • 1000 $5.8875
    • 10000 $5.8875
    		Buy Now
    Mouser Electronics AD8225ARZ 392
    • 1 $11.95
    • 10 $9
    • 100 $6.42
    • 1000 $5.88
    • 10000 $5.88
    		Buy Now
    Verical AD8225ARZ 1,078 98
    • 1 -
    • 10 -
    • 100 $5.499
    • 1000 $5.499
    • 10000 $5.499
    		Buy Now
    AD8225ARZ 4 4
    • 1 -
    • 10 $5.499
    • 100 $5.499
    • 1000 $5.499
    • 10000 $5.499
    		Buy Now
    Arrow Electronics AD8225ARZ 4 10 Weeks 98
    • 1 -
    • 10 -
    • 100 $5.499
    • 1000 $5.499
    • 10000 $5.499
    		Buy Now
    Newark AD8225ARZ Bulk 1
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    		Buy Now
    Analog Devices Inc AD8225ARZ 1,079
    • 1 $12.74
    • 10 $8.993
    • 100 $6.9496
    • 1000 $5.8875
    • 10000 $5.8875
    		Buy Now
    Rochester Electronics AD8225ARZ 30 1
    • 1 $6.54
    • 10 $6.54
    • 100 $6.15
    • 1000 $5.56
    • 10000 $5.56
    		Buy Now
    ComSIT USA AD8225ARZ 38
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    		Get Quote
    Richardson RFPD AD8225ARZ 98
    • 1 -
    • 10 -
    • 100 $6.41
    • 1000 $6.16
    • 10000 $6.16
    		Buy Now
    Win Source Electronics AD8225ARZ 2,001
    • 1 -
    • 10 $11.1428
    • 100 $7.4286
    • 1000 $7.4286
    • 10000 $7.4286
    		Buy Now

    Analog Devices Inc AD8225-EVALZ

    EVAL BOARD FOR AD8225
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey AD8225-EVALZ Box 1
    • 1 $90.69
    • 10 $90.69
    • 100 $90.69
    • 1000 $90.69
    • 10000 $90.69
    		Buy Now
    Mouser Electronics AD8225-EVALZ 1
    • 1 $90.08
    • 10 $90.08
    • 100 $90.08
    • 1000 $90.08
    • 10000 $90.08
    		Buy Now
    Verical AD8225-EVALZ 35 1
    • 1 $102.9571
    • 10 $102.9571
    • 100 $102.9571
    • 1000 $102.9571
    • 10000 $102.9571
    		Buy Now
    Analog Devices Inc AD8225-EVALZ 35
    • 1 $90.69
    • 10 $90.69
    • 100 $90.69
    • 1000 $96.56
    • 10000 $96.56
    		Buy Now

    Analog Devices Inc AD8225ARZ-RL

    IC INST AMP 1 CIRCUIT 8SOIC
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey AD8225ARZ-RL Reel 2,500
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $5.8875
    		Buy Now
    Mouser Electronics AD8225ARZ-RL
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $5.87
    		Get Quote
    Analog Devices Inc AD8225ARZ-RL 2,500
    • 1 $12.74
    • 10 $8.993
    • 100 $6.9496
    • 1000 $5.8875
    • 10000 $5.8875
    		Buy Now

    Analog Devices Inc AD8225ARZ-R7

    IC INST AMP 1 CIRCUIT 8SOIC
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey AD8225ARZ-R7 Reel 1,000
    • 1 -
    • 10 -
    • 100 -
    • 1000 $5.8875
    • 10000 $5.8875
    		Buy Now
    AD8225ARZ-R7 Cut Tape 1
    • 1 $12.74
    • 10 $12.74
    • 100 $12.74
    • 1000 $12.74
    • 10000 $12.74
    		Buy Now
    Mouser Electronics AD8225ARZ-R7
    • 1 -
    • 10 -
    • 100 -
    • 1000 $5.88
    • 10000 $5.88
    		Get Quote
    Verical AD8225ARZ-R7 1,000 1,000
    • 1 -
    • 10 -
    • 100 -
    • 1000 $6.7286
    • 10000 $6.7286
    		Buy Now
    Analog Devices Inc AD8225ARZ-R7 1,000 1,000
    • 1 $12.74
    • 10 $12.74
    • 100 $12.74
    • 1000 $5.8875
    • 10000 $5.8875
    		Buy Now
    Win Source Electronics AD8225ARZ-R7 2,000
    • 1 -
    • 10 $11.1428
    • 100 $7.4286
    • 1000 $7.4286
    • 10000 $7.4286
    		Buy Now

    AD8225 Datasheets (12)

    Part ECAD Model Manufacturer Description Curated Datasheet Type PDF
    AD8225 Analog Devices Precision Gain of 5 Instrumentation Amplifier Original PDF
    AD8225AR Analog Devices Precision Gain of 5 Instrumentation Amplifier Original PDF
    AD8225AR-REEL Analog Devices Precision Gain of 5 Instrumentation Amplifier Original PDF
    AD8225AR-REEL7 Analog Devices Precision Gain of 5 Instrumentation Amplifier Original PDF
    AD8225ARZ Analog Devices Precision Gain of 5 Instrumentation Amplifier Original PDF
    AD8225ARZ-R7 Analog Devices Precision Gain of 5 Instrumentation Amplifier Original PDF
    AD8225ARZ-REEL Analog Devices AD8225 - IC INSTRUMENTATION AMPLIFIER, 325 uV OFFSET-MAX, 0.9 MHz BAND WIDTH, PDSO8, SOIC-8, Instrumentation Amplifier Original PDF
    AD8225ARZ-REEL7 Analog Devices AD8225 - IC INSTRUMENTATION AMPLIFIER, 325 uV OFFSET-MAX, 0.9 MHz BAND WIDTH, PDSO8, SOIC-8, Instrumentation Amplifier Original PDF
    AD8225ARZ-RL Analog Devices Precision Gain of 5 Instrumentation Amplifier Original PDF
    AD8225-EVAL Analog Devices Precision Gain of 5 Instrumentation Amplifier Original PDF
    AD8225-EVALZ Analog Devices Evaluation Boards - Op Amps, Programmers, Development Systems, BOARD EVAL FOR AD8225 INSTR AMP Original PDF
    AD8225-EVALZ Analog Devices AD8225 - Precision Gain of 5 Instrumentation Amplifier Package: None Available; No of Pins: 0; Temperature Range: INDUSTRIAL; Container: 1/No packing Original PDF

    AD8225 Datasheets Context Search

    Catalog Datasheet MFG & Type PDF Document Tags

    AD707JN

    Abstract: AD8225 AD8225-EVAL J500
    Text: BOARD DESCRIPTION ORDERING GUIDE The AD8225 evaluation board has been carefully laid out and tested to demonstrate the performance of the device. Figure 1 is a schematic of an evaluation board available for the AD8225. The board is shipped with an AD8225 already installed. The user


    Original     		PDF AD8225 AD8225. AD8225-EVAL C03596 EVAL-AD8225EB AD707JN AD8225-EVAL J500

    gpf CAPACITOR

    Abstract: EKG Amplifier ekg op amp AD8225 ekg circuit OP177 OP27 AD7675 AD797 AD8225AR-REEL
    Text: Precision Gain of 5 Instrumentation Amplifier AD8225 APPLICATIONS Patient Monitors Current Transmitters Multiplexed Systems 4 to 20 mA Converters Bridge Transducers Sensor Signal Conditioning FUNCTIONAL BLOCK DIAGRAM NC 1 AD8225 8 NC –IN 2 7 +VS +IN 3 6


    Original     		PDF AD8225 C02771 gpf CAPACITOR EKG Amplifier ekg op amp AD8225 ekg circuit OP177 OP27 AD7675 AD797 AD8225AR-REEL

    AD8225

    Abstract: J500 OP177 EB035
    Text: AD8225 Evaluation Board AD8225-EVALZ BOARD DESCRIPTION measurements. The supply can be configured for dual or single supplies, and the input can be dc- or ac-coupled. A circuit is provided on the board so the user can zero the output offset. If desired, a reference can be applied from an external voltage source.


    Original     		PDF AD8225 AD8225-EVALZ AD8225. AD8225-EVALZ EB03596-0-9/07 J500 OP177 EB035

    AD22057

    Abstract: AD620 AD623 AD621 AD622 AD626 AD627 AD628 AD629 AD8200
    Text: 1 • AMP03 • AD627 1 1.2 • • AD8221BR AD8225 USD 1000s, recommended resale, FOB U.S.A. 1 • 1 0.085 0.55 1.3 1.3 1.3 3.5 1 1 AD8221AR • • • AD623 AD8221ARM • • AD622 • • • AD621 • • • AD620 • • • AD8200 • • AD629 Instrumentation Amplifiers


    Original     		PDF AD623 AD627 AD8221AR AD8221BR AD8225 1000s, AD622 AD8221ARM AD621 AD620 AD22057 AD620 AD623 AD621 AD622 AD626 AD627 AD628 AD629 AD8200

    EKG Amplifier

    Abstract: gpf CAPACITOR ekg op amp 1S3100 AD8225AR
    Text: a APPLICATIONS Patient Monitor Current Transmitter Multiplexed Systems 4 mA to 20 mA Converter Bridge Transducer Sensor Signal Conditioning GENERAL DESCRIPTION The AD8225 is an instrumentation amplifier with fixed gain of 5 that sets new standards of performance. The superior CMRR


    Original     		PDF AD8225 AD707JN C02771 EKG Amplifier gpf CAPACITOR ekg op amp 1S3100 AD8225AR

    thermocouple circuits using ad8225

    Abstract: ad8221 thermocouple ekg op amp EKG Amplifier Strain gage measurement ad620 filter circuits using ad8225 AD620 VOLTAGE TO CURRENT CONVERTER SSM2019 AD630 ic circuits used in other application AD6278
    Text: Chapter VI IN-AMP AND DIFF AMP APPLICATIONS CIRCUITS Composite In-Amp Circuit Has Excellent High Frequency CMR The primary benefit of an in-amp circuit is that it provides common-mode rejection.While the AD8221 and AD8225 both have an extended CMR frequency


    Original     		PDF AD8221 AD8225 10mV/DIV) AD627 SSM2141 SSM2143 SSM2019 thermocouple circuits using ad8225 ad8221 thermocouple ekg op amp EKG Amplifier Strain gage measurement ad620 filter circuits using ad8225 AD620 VOLTAGE TO CURRENT CONVERTER AD630 ic circuits used in other application AD6278

    Untitled

    Abstract: No abstract text available
    Text: Precision Gain of 5 Instrumentation Amplifier AD8225 APPLICATIONS Patient Monitors Current Transmitters Multiplexed Systems 4 to 20 mA Converters Bridge Transducers Sensor Signal Conditioning FUNCTIONAL BLOCK DIAGRAM AD8225 8 NC –IN 2 7 +VS +IN 3 6 VOUT


    Original     		PDF AD8225 C02771â

    AD7321

    Abstract: AD8230RZ AD620AR AD7610 AD7663 AD7685 AD7687 AD7895 AD8221 AD8221AR
    Text: Chapter VII MATCHING IN-AMP CIRCUITS TO MODERN ADCs Calculating ADC Requirements The resolution of commercial ADCs is specified in bits. In an ADC, the available resolution equals 2n – 1, where n is the number of bits. For example, an 8-bit converter provides a resolution of (28) – 1, which equals 255. In this


    Original     		PDF AD825 AMP03 AD823 AD825. AD825* AMP03 AD7321 AD8230RZ AD620AR AD7610 AD7663 AD7685 AD7687 AD7895 AD8221 AD8221AR

    op amp cookbook

    Abstract: Electrocardiogram Sensor instrumentation amplifier with bridgetype transducer AN-539 ad623 ISBN-0-916550-20-6 thermocouple circuits using ad8225 AD620 temperature sensor using instrumentation amplifier circuit IC 520 instrumentation amplifier AD623
    Text: A DESIGNER’S GUIDE TO INSTRUMENTATION AMPLIFIERS 3RD Edition by Charles Kitchin and Lew Counts  All rights reserved. This publication, or parts thereof, may not be reproduced in any form without permission of the copyright owner. Information furnished by Analog Devices, Inc. is believed to be


    Original     		PDF

    AD6537

    Abstract: AD6833 AD6527 AD6488 AD6548 ad6555 AD6548 circuit AD7611 ad9924 ad6525
    Text: Selection Trees Contents General-Purpose Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Application-Specific Circuits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3


    Original     		PDF AD537 AD654 ADVFC32 AD650 AD652 AD7741 AD7742 AD7746 AD9833 AD9834 AD6537 AD6833 AD6527 AD6488 AD6548 ad6555 AD6548 circuit AD7611 ad9924 ad6525

    EEG ad620

    Abstract: examples using AD630 AD620 philips semiconductor data handbook cookbook for ic 555 op amp cookbook ad620 strain gauge pressure sensor B4001 AN-539 ad623 AD7457
    Text: Cover_Final 9/8/04 3:40 PM Page 2 A Designer’s Guide to Instrumentation Amplifiers 2 ND Edition A DESIGNER’S GUIDE TO INSTRUMENTATION AMPLIFIERS 2ND Edition by Charles Kitchin and Lew Counts i All rights reserved. This publication, or parts thereof, may not be


    Original     		PDF F-92182 G02678-15-9/04 EEG ad620 examples using AD630 AD620 philips semiconductor data handbook cookbook for ic 555 op amp cookbook ad620 strain gauge pressure sensor B4001 AN-539 ad623 AD7457

    schematic diagram atx Power supply 500w

    Abstract: pioneer PAL 012A 1000w inverter PURE SINE WAVE schematic diagram 600va numeric ups circuit diagrams winbond bios 25064 TLE 9180 infineon smsc MEC 1300 nu TBE schematic diagram inverter 2000w DK55 circuit diagram of luminous 600va UPS
    Text: QUICK INDEX NEW IN THIS ISSUE! Detailed Index - See Pages 3-24 Digital Signal Processors, iCoupler , iMEMS® and iSensor . . . . . 805, 2707, 2768-2769 Connectors, Cable Assemblies, IC Sockets . . . . . . . . . . . 28-568 RF Connectors . . . . . . . . . . . . . . . . . . . . . . Pages 454-455


    Original     		PDF P462-ND P463-ND LNG295LFCP2U LNG395MFTP5U US2011) schematic diagram atx Power supply 500w pioneer PAL 012A 1000w inverter PURE SINE WAVE schematic diagram 600va numeric ups circuit diagrams winbond bios 25064 TLE 9180 infineon smsc MEC 1300 nu TBE schematic diagram inverter 2000w DK55 circuit diagram of luminous 600va UPS

    AD620

    Abstract: AD627 ad623 filter AD620 pulse ad620 filter AD8225 digi-key B4001 AD623 AD8221
    Text: AN-671 应用笔记 One Technology Way • P.O. B ox 9106 • Norwood, MA 02062-9106 • Tel: 781/329-4700 • Fax: 781/326-8703 • www.analog.com 降低仪表放大器电路中的射频干扰整流误差 作者：Charles KitchinLew Counts和Moshe Gerstenhaber


    Original     		PDF AN-671 AD8221( 1000pF AD8221 C2C110C1a/C1b AD620 B4001 AD620 AD627 ad623 filter AD620 pulse ad620 filter AD8225 digi-key AD623 AD8221

    fast photodiode amplifier

    Abstract: AD8033 AD8620 8513 FET 8627 AD603 AD8027 AD8065 AD8066 Tower Mounted Amplifiers Dual Band
    Text: Amplifiers January 2003 T H E IN THIS ISSUE AD8351—The Lowest Distortion, Lowest Power, Single-Chip Differential Amplifier High Speed, Low Cost Fast FETs . . . . . . . . . . . . . . . . . . . 2 Wideband Photodiode Preamplifier . . . . . . . . . . . . . . . . . 3


    Original     		PDF AD8351--The AD8351 10-/14-bit AD8605 AMPS-JAN-2003 B03030-50-1/03 fast photodiode amplifier AD8033 AD8620 8513 FET 8627 AD603 AD8027 AD8065 AD8066 Tower Mounted Amplifiers Dual Band

    AD8555

    Abstract: Analog Devices MultiSIM Spice AD627 DIE differential mode ad620 operation
    Text: 10 MHz, 20 V/ s, G = 1, 10, 100, 1000 i CMOS Programmable Gain Instrumentation Amplifier AD8253 Preliminary Technical Data FEATURES Small package: 10-lead MSOP Programmable gains: 1, 10, 100, 1000 Digital or pin-programmable gain setting Wide supply: ±5 V to ±15 V


    Original     		PDF 10-lead AD8253 AMP03 AD8555 Analog Devices MultiSIM Spice AD627 DIE differential mode ad620 operation

    AD623 application notes

    Abstract: AD623ANZ AD623AN AD623AR application AD623 AD620 AD623 equivalent AD623A AD623ARMZ and application AD620
    Text: Analog Devices: AD623:Product Page Parametric Search Search: | Replacement Parts Search View Cart My Account | | Log In Home > Amplifiers and Comparators > Instrumentation Amplifiers Contact Us Amplifiers and Comparators | Print this Page | AD623 - Single Supply, Rail-Rail, Low Cost Instrumentation Amplifiers


    Original     		PDF AD623 2C2877 2CAD623 AD623 application notes AD623ANZ AD623AN AD623AR application AD620 AD623 equivalent AD623A AD623ARMZ and application AD620

    AD53538

    Abstract: ad8316 AD53539 AD7730 program weigh scale AD6522 4.20 mA Transmitter ad694 AD7746 I2C AD5316 ADM7306 AD813
    Text: SELECTION TREES Contents General-Purpose Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Application-Specific Circuits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 A/D Converters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4


    Original     		PDF AD75019 AD8113 AD8150 AD8151 ADSX34 Input/17 Input/34 AD537 AD654 AD53538 ad8316 AD53539 AD7730 program weigh scale AD6522 4.20 mA Transmitter ad694 AD7746 I2C AD5316 ADM7306 AD813

    AD620

    Abstract: thermocouple circuits using ad8225 AD8556 AD620 ic circuits used in other application AD8222 X2Y Capacitor 500X14W103KV4 OP AMP COOKBOOK AD621 AD622
    Text: Chapter V APPLYING IN-AMPS EFFECTIVELY Dual-Supply Operation The conventional way to power an in-amp has been from a split or dual polarity power supply. This has the obvious advantage of allowing both a positive and a negative input and output swing. Single-Supply Operation


    Original     		PDF

    AD620 application note

    Abstract: on board DC RFI suppression filters common-mode rf choke AD620 AD620 ic circuits used in other application B4001 application note of ad620 ad623 filter AD623 AD627
    Text: AN-671 APPLICATION NOTE One Technology Way • P.O. Box 9106 • Norwood, MA 02062-9106 • Tel: 781/329-4700 • Fax: 781/326-8703 • www.analog.com Reducing RFI Rectification Errors in In-Amp Circuits By Charles Kitchin, Lew Counts, and Moshe Gerstenhaber


    Original     		PDF AN-671 E04347 AD620 application note on board DC RFI suppression filters common-mode rf choke AD620 AD620 ic circuits used in other application B4001 application note of ad620 ad623 filter AD623 AD627

    220v AC voltage stabilizer schematic diagram

    Abstract: LG color tv Circuit Diagram tda 9370 1000w inverter PURE SINE WAVE schematic diagram schematic diagram atx Power supply 500w TV SHARP IC TDA 9381 PS circuit diagram wireless spy camera 9744 mini mainboard v1.2 sony 279-87 transistor E 13005-2 superpro lx
    Text: QUICK INDEX NEW IN THIS ISSUE! Detailed Index - See Pages 3-24 AD9272 Analog Front End, iMEMS Accelerometers & Gyroscopes . . . . . . 782, 2583 Connectors, Cable Assemblies, IC Sockets . . . . . . . . . . . 28-528 Acceleration and Pressure Sensors . . . . . . . . . . . . . . . . . . . . . . . . . . Page 2585


    Original     		PDF AD9272 P462-ND LNG295LFCP2U P463-ND LNG395MFTP5U 220v AC voltage stabilizer schematic diagram LG color tv Circuit Diagram tda 9370 1000w inverter PURE SINE WAVE schematic diagram schematic diagram atx Power supply 500w TV SHARP IC TDA 9381 PS circuit diagram wireless spy camera 9744 mini mainboard v1.2 sony 279-87 transistor E 13005-2 superpro lx

    EMI Filtering

    Abstract: filter examples using AD630 mini Audio transformer 200k to 1k ct input cookbook for ic 555 EEG ad620 ad620 strain gauge pressure sensor op amp cookbook AD620 AD625 Application Note
    Text: A Designer’s Guide to Instrumentation Amplifiers 3 RD Edition www.analog.com/inamps A DESIGNER’S GUIDE TO INSTRUMENTATION AMPLIFIERS 3RD Edition by Charles Kitchin and Lew Counts  All rights reserved. This publication, or parts thereof, may not be reproduced in any form without permission of the copyright owner.


    Original     		PDF G02678-15-9/06 EMI Filtering filter examples using AD630 mini Audio transformer 200k to 1k ct input cookbook for ic 555 EEG ad620 ad620 strain gauge pressure sensor op amp cookbook AD620 AD625 Application Note

    PS1H102G-ND

    Abstract: 033f AD627A AD620 AD623 AD627 AD8221 AD8225 AN-671 B4001
    Text: AN-671 アプリケーション・ノート AN-671 計装アンプ回路でRFI整流誤差を低減する方法 Charles KitchinLew Counts、Moshe Gerstenhaber共著 はじめに 実用的なRFIフィルタの設計 リアルワールド・アプリケーションでは、増加する一方の無線周波数


    Original     		PDF AN-671 AD8221 20kHz 1000pF 350kHz 500kHz PS1H102G-ND 033f AD627A AD620 AD623 AD627 AD8221 AD8225 AN-671 B4001

    thermocouple circuits using ad8225

    Abstract: AD8045 AD8544 AD8555 medical ultrasound sensor circuit AD8616 AD8139 AD8568 AD8027 AD8620
    Text: Amplifiers T H E August 2004 IN THIS ISSUE Diff Amp Simplifies Driving High Resolution ADCs . . . . . . . . . . . . . . .2 High Speed Diff Amp Offers Industry’s Lowest Power, Price . 3 1 GHz Voltage Feedback Op Amp . . . . . . . . . . . . . . . . . . . . .4


    Original     		PDF F-92182 thermocouple circuits using ad8225 AD8045 AD8544 AD8555 medical ultrasound sensor circuit AD8616 AD8139 AD8568 AD8027 AD8620

    transistor A726 pnp

    Abstract: UA726 transistor equivalent book FOR A 1941 transistor A726 uA726 equivalent PM 8058 error budget analysis incircuit using op amp AD77xx-series SOT-23 vhz 463 vacuum tube amplifier
    Text: Op Amp Applications Seminar W orldw ide H eadquarters One Technology Way 3000 P.O. Box 9106 Norw ood, MA 02062-9106 U.S.A. 1000 Tel: 781 329 4700, 1 800 262 5643, U.S.A. only 300 Fax: 781 326 8703 AD811 100 AD817 Japan H eadquarters New Pier Takeshiba South Tower Building


    OCR Scan     		PDF AD811 AD817 OP482 AD712, OP249 AD624 AD625 AD526 transistor A726 pnp UA726 transistor equivalent book FOR A 1941 transistor A726 uA726 equivalent PM 8058 error budget analysis incircuit using op amp AD77xx-series SOT-23 vhz 463 vacuum tube amplifier