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AD620

製品説明
仕様・特性

Low Cost Low Power Instrumentation Amplifier AD620 FEATURES CONNECTION DIAGRAM Weigh scales ECG and medical instrumentation Transducer interface Data acquisition systems Industrial process controls Battery-powered and portable equipment 2 7 +VS +IN 3 6 –VS 4 AD620 RG OUTPUT 5 REF TOP VIEW Figure 1. 8-Lead PDIP (N), CERDIP (Q), and SOIC (R) Packages PRODUCT DESCRIPTION The AD620 is a low cost, high accuracy instrumentation amplifier that requires only one external resistor to set gains of 1 to 10,000. Furthermore, the AD620 features 8-lead SOIC and DIP packaging that is smaller than discrete designs and offers lower power (only 1.3 mA max supply current), making it a good fit for battery-powered, portable (or remote) applications. The AD620, with its high accuracy of 40 ppm maximum nonlinearity, low offset voltage of 50 μV max, and offset drift of 0.6 μV/°C max, is ideal for use in precision data acquisition systems, such as weigh scales and transducer interfaces. Furthermore, the low noise, low input bias current, and low power of the AD620 make it well suited for medical applications, such as ECG and noninvasive blood pressure monitors. The low input bias current of 1.0 nA max is made possible with the use of Superϐeta processing in the input stage. The AD620 works well as a preamplifier due to its low input voltage noise of 9 nV/√Hz at 1 kHz, 0.28 μV p-p in the 0.1 Hz to 10 Hz band, and 0.1 pA/√Hz input current noise. Also, the AD620 is well suited for multiplexed applications with its settling time of 15 μs to 0.01%, and its cost is low enough to enable designs with one in-amp per channel. 30,000 TOTAL ERROR, PPM OF FULL SCALE Comment Better specs at lower price Dual channel or differential out Low power, wide input range JFET input Best gain accuracy +2 precision op amps or differential out Ultra low noise 8 –IN Table 1. Next Generation Upgrades for AD620 Part AD8221 AD8222 AD8226 AD8220 AD8228 AD8295 AD8429 1 25,000 3 OP AMP IN-AMP (3 OP-07s) 20,000 15,000 AD620A 10,000 RG 5,000 0 0 5 10 SUPPLY CURRENT (mA) 15 20 00775-0-002 APPLICATIONS RG 00775-0-001 Easy to use Gain set with one external resistor (Gain range 1 to 10,000) Wide power supply range (±2.3 V to ±18 V) Higher performance than 3 op amp IA designs Available in 8-lead DIP and SOIC packaging Low power, 1.3 mA max supply current Excellent dc performance (B grade) 50 μV max, input offset voltage 0.6 μV/°C max, input offset drift 1.0 nA max, input bias current 100 dB min common-mode rejection ratio (G = 10) Low noise 9 nV/√Hz @ 1 kHz, input voltage noise 0.28 μV p-p noise (0.1 Hz to 10 Hz) Excellent ac specifications 120 kHz bandwidth (G = 100) 15 μs settling time to 0.01% Figure 2. Three Op Amp IA Designs vs. AD620 Rev. H Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other rights of third parties that may result from its use. Specifications subject to change without notice. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Trademarks and registered trademarks are the property of their respective owners. One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781.329.4700 www.analog.com Fax: 781.326.8703© 2003–2011 Analog Devices, Inc. All rights reserved.

ブランド

AD

会社名

Analog Devices

本社国名

U.S.A

事業概要

半導体デバイスを製造するアメリカの多国籍企業。特にADC、DAC、MEMS、DSPなどに強い。現在は 65nm から 3μm のプロセスルールの回路を設計している。

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AD60001-0R2 AD60001-0REEL7 AD60001-0WP AD60-001-500R7 AD60001X
AD60003R AD60003RS AD60003RS24 AD60003RS24RL7 AD60003RS24XRL7
AD60003RSZ24 AD60003RSZ24RL-7 AD6000JR AD600AQ AD600AR
AD600AR-REEL AD600ARSMD-SO16 AD600ARX AD600ARX-AMP AD600ARZ
AD600ARZ-R7 AD600ARZ-REEL AD600ARZ-RL AD600JN AD600JNPULLS
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AD600JR-X AD600JRX-AMP AD600JRZ AD600JRZ-R7 AD600JRZ-RL
AD600L050111824 AD600L06211C052 AD600SQ883B AD6016ARP AD602
AD6020APZ AD6020KD AD6020KG AD6021 AD6021ACP
AD6021XCP AD6027BR AD602A AD602AD AD602AD602JRZ
AD602AQ AD602AR AD602ARJR AD602AR-REEL AD602AR-REEL7
AD602AR-X AD602ARX-AMP AD602ARZ AD602ARZ-R7 AD602ARZ-REEL
AD602ARZ-RL AD602BQ AD602BR AD602J AD602JCHIPS
AD602JN AD602JNX-AMP AD602JNZ AD602JR AD602JR-REEL
AD602JR-REEL7 AD602JRT AD602JRX AD602JR-X-AMP AD602JRZ
AD602JRZ-R7 AD602JRZ-RL AD602KN AD602SJ AD602SQ883
AD602SQ883B AD603 AD603A AD603AQ AD603AR
AD603ARJ AD603AR-REEL AD603AR-REEL7 AD603ARREFURB AD603AR-RL
AD603ARX AD603ARX-AMP AD603ARX-AWP AD603ARXMP AD603ARX-REEL
AD603ARZ AD603ARZ522-9953P AD603ARZ-R7 AD603ARZ-REEL AD603ARZ-REEL7
AD603ARZ-REEL7ADI AD603ARZ-RELL AD603ARZ-RELL7 AD603ARZ-RL7 AD603ARZ,T
AD603-EB AD603-EVALZ AD604 AD604ANZ AD604AR
AD604AR-REEL AD604ARS AD604ARSX-A AD604ARSX-AMP AD604ARSZ
AD604ARSZ-R7 AD604ARSZ-REEL7 AD604ARSZ-RL AD604ARX AD604ARZ
AD604ARZ-REEL AD604ARZ-RL AD604AXAMP AD604-EVALZ AD605
AD6-0505-12 AD6-0505-24 AD6-0505-5 AD605AN AD605ANZ
AD605AR AD605AR-R7 AD605AR-REEL AD605AR-REEL7 AD605ARS
AD605AR-SAMPLE AD605ARX AD605ARX-AMP AD605ARZ AD605ARZ650PCS
AD605ARZ-R7 AD605ARZ-REEL AD605ARZ-REEL7 AD605ARZ-RL AD605AT
AD605BD AD605BR AD605BR-REEL AD605BR-REEL7 AD605BRZ
AD605BRZ-R7 AD605BRZ-REEL AD605BRZ-RL AD605EHDK42GI AD605XR
AD606 AD606J AD606JCHIPS AD606JN AD606JNZ
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AD606JRZ AD606JRZ-REEL AD606JRZ-REEL7 AD607 AD607ARS
AD607ARS5 AD607ARS-9 AD607ARS-REEL AD607ARSSOIC AD607ARSZ
AD607ARSZADI AD607ARSZ-REEL AD607ARSZ-REEL7 AD607ARSZ-REELREEL7 AD607XRS
AD608 AD608AR AD608AR-REEL AD608AR-REEL-S-TEST AD608AR-RELLANALOG
AD608ARTAPE AD608ARZ AD608ARZPB AD608ARZ-REEL AD608ARZ-REEL7
AD608ARZ-RL AD608ARZ-RLPB AD608BR AD608BRU AD608BRZ
AD60F12KGC AD610 AD6100 AD6102 AD61021ABCZ
AD610EHDK42GM AD610EHDK42GMS AD611 AD611JH AD611JHAD#
AD611JHZ AD611KH AD611-STR AD612 AD6-1212-48
AD6-1212-5 AD6121ACP AD6121ACPRL7 AD6121ACPRLT AD6121ACPZ
AD6121ARS AD6122ACP AD6122ARS AD6122ARS-RL AD6122ARSZ
AD6122XCP AD612ARS AD612BST AD612S AD613
AD6140 AD6-1515-24DCDCCONVER AD6-1515-5 AD616 AD617
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AD620 AD6200 AD6201AKN AD6209-33GB AD620A
AD620AA AD620ABR AD620ACHIP AD620ACHIPS AD620AJR
AD620AN AD620ANG AD620AN--PULL AD620ANZ AD620ANZAD
AD620ANZAD620ARZ AD620ANZARZ AD620ANZBNZ AD620ANZDIP8I AD620ANZPBF
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AD620B AD620BBZ AD620BN AD620BNZ AD620BNZANZ
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