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AD8476BCPZ-R7

更新时间： 2024-11-13 07:18:51

品牌	Logo	应用领域
亚德诺 - ADI		运算放大器放大器电路
页数	文件大小	规格书
24页	504K
描述
Low Power, Unity Gain, Fully

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AD8476BCPZ-R7 数据手册

Low Power, Unity Gain, Fully

Differential Amplifier and ADC Driver

Data Sheet

AD8476

FEATURES

FUNCTIONAL BLOCK DIAGRAM

Very low power

330 μA supply current

Extremely low harmonic distortion

−126 HD2 at 10 kHz

10kΩ

−128 HD3 at 10 kHz

10kΩ

AD8476

10kΩ

Fully differential or single-ended inputs/outputs

Differential output designed to drive precision ADCs

Drives switched capacitor and Σ-Δ ADCs

Rail-to-rail outputs

10kΩ

VOCM pin adjusts output common mode

Robust overvoltage up to 18 V beyond supplies

High performance

NOTES

1. NC = NO CONNECT.

DO NOT CONNECT TO THIS PIN.

Suitable for driving 16-bit converter up to 250 kSPS

39 nV/√Hz output noise

Figure 1. 8-Lead MSOP

1 ppm/°C gain drift maximum

200 μV maximum output offset

10 V/μs slew rate

6 MHz bandwidth

Single supply: 3 V to 18 V

Dual supplies: 1.5 V to 9 V

INP

INN

12 NC

10kΩ

11 –OUT

10 +OUT

AD8476

APPLICATIONS

10kΩ

VOCM

ADC driver

Differential instrumentation amplifier building block

Single-ended-to-differential converter

Battery-powered instruments

NOTES

1. NC = NO CONNECT. DO NOT CONNECT TO THIS PIN.

Figure 2. 16-Lead LFCSP

GENERAL DESCRIPTION

The AD8476 is a very low power, fully differential precision

amplifier with integrated gain resistors for unity gain. It is an ideal

choice for driving low power, high performance ADCs as a

single-ended-to-differential or differential-to-differential

amplifier. It provides a precision gain of 1, common-mode level

shifting, low temperature drift, and rail-to-rail outputs for

maximum dynamic range.

switched capacitor front-end circuits of many ADCs with

minimal error.

Unlike many differential drivers on the market, the AD8476 is

a high precision amplifier. With 200 µV maximum output

offset, 39 nV/√Hz noise, and −102 dB THD + N at 10 kHz, the

AD8476 pairs well with low power, high accuracy converters.

Considering its low power consumption and high precision, the

slew-enhanced AD8476 has excellent speed, settling to 16-bit

precision for 250 kSPS acquisition times.

The AD8476 also provides overvoltage protection from large

industrial input voltages up to 23 V while operating on a dual 5 V

supply. Power dissipation on a single 5 V supply is only 1.5 m W.

The AD8476 is available in space-saving 16-lead, 3 mm × 3 mm

LFCSP and 8-lead MSOP packages. It is fully specified over the

−40°C to +125°C temperature range.

The AD8476 works well with SAR, Σ-Δ, and pipeline converters.

The high current output stage of the part allows it to drive the

Rev. B

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

rightsof third parties that may result fromits 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 andregisteredtrademarks 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

12 3 4 5 6 7...24

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AD8476BCPZ-R7 替代型号

型号	品牌	替代类型	描述	数据表
AD8476BCPZ-RL	ADI	完全替代	Low Power, Unity Gain, Fully
AD8476ACPZ-WP	ADI	功能相似	Low Power, Unity Gain, Fully
AD8476BCPZ-WP	ADI	功能相似	Low Power, Unity Gain, Fully

与AD8476BCPZ-R7相关器件

型号	品牌	获取价格	描述	数据表
AD8476BCPZ-RL	ADI	获取价格	Low Power, Unity Gain, Fully
AD8476BCPZ-WP	ADI	获取价格	Low Power, Unity Gain, Fully
AD8476BRMZ	ADI	获取价格	Low Power, Unity Gain, Fully
AD8476BRMZ-R7	ADI	获取价格	Low Power, Unity Gain, Fully
AD8476BRMZ-RL	ADI	获取价格	Low Power, Unity Gain, Fully
AD8476-EVALZ	ADI	获取价格	Low Power, Unity Gain, Fully
AD8479	ADI	获取价格	Very High Common-Mode Voltage Precision Difference Amplifier
AD8479ARZ	ADI	获取价格	Very High Common-Mode Voltage Precision Difference Amplifier
AD8479ARZ-RL	ADI	获取价格	Very High Common-Mode Voltage Precision Difference Amplifier
AD8479BRZ	ADI	获取价格	Very High Common-Mode Voltage Precision Difference Amplifier

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