AD620BRZ

Analog Devices
AMP INSTRUMENTATION, SOIC8, 620; Amplifiers, No. of:1; Gain, Bandwidth -3dB:1000kHz; Gain, Max:10000; Output Type:Single Ended; Voltage, Supply Min:2.3V; Voltage, Supply Max:18V; Case Style:SOIC; Pins, No. of:8; Temperature, Operating Range:-40°C to +85°C; Amplifier IC Type:Instrumentation; Bandwidth:120kHz; Base Number:620; Current, Iqc Max:1.3mA; Current, Iqc Typ:0.9mA; Current, Supply:1.3mA; Current, Supply Max:1.3mA; Gain, Bandwidth Range:140dB; Gain, Programmable Max:10000; IC Generic Number:620; Input Offset Drift, Max:0.6чV/°C; Logic Function Number:620; Slew Rate:1.2; Temp, Op. Max:85°C; Temp, Op. Min:-40°C; Termination Type:SMD; Time, Settling:15чs; Voltage, Input Offset Max:50чV; Voltage, Supply +Nom:1.3V; Voltage, Supply -Nom:2.1V; Power Dissipation:650mW
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Технические характеристики

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Корпус SO-8 SOIC8
Тип ОУ
Кол-во каналов ОУ
Напряжение питания
Ток собственного потребления
Программируемый коэффициент усиления
Максимальная скорость нарастания выходного сигнала
Диапазон рабочих температур
Примечание
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Аналоги 2

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Тип Наименование Корпус Упаковка i Тип ОУ Особенность Каналы U пит Iпотр R‑to‑R Прог. Кусил. GBW Скорость Шум T раб Примечание Карточка
товара
P= INA128UA/2K5 (TI)
 
SO-8 SOIC8 в ленте 2500 шт — — — —
P= AD620ARZ (AD)
 
SO-8 SOIC8 в линейках 98 шт — — — —

Файлы 1

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Low Cost Low Power Instrumentation Amplifier AD620 FEATURES CONNECTION DIAGRAM APPLICATIONS Weigh scales ECG and medical instrumentation Transducer interface Data acquisition systems Industrial process controls Battery-powered and portable equipment 1 8 –IN 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 10,000 3 OP AMP IN-AMP (3 OP-07s) RTI VOLTAGE NOISE (0.1 – 10Hz) (µV p-p) 1,000 20,000 15,000 AD620A 10,000 RG TYPICAL STANDARD BIPOLAR INPUT IN-AMP 100 G = 100 10 AD620 SUPERβETA BIPOLAR INPUT IN-AMP 1 5,000 0 0 5 10 SUPPLY CURRENT (mA) 15 20 Figure 2. Three Op Amp IA Designs vs. AD620 0.1 1k 10k 100k 1M SOURCE RESISTANCE (Ω) 10M 100M 00775-0-003 25,000 00775-0-002 TOTAL ERROR, PPM OF FULL SCALE 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 3. Total Voltage Noise vs. Source Resistance Rev. G 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 © 2004 Analog Devices, Inc. All rights reserved. PDF
Документация на AD620BRZ 

AD620 Low Cost Low Power Instrumentation Amplifier Data Sheet (Rev.G)

Дата модификации: 06.01.2005

Размер: 782.1 Кб

20 стр.

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