Datasheet > AD8202

AD8202

更新时间： 2024-11-29 12:41:39

品牌	Logo	应用领域
爱美达 - AAVID		驱动器
页数	文件大小	规格书
16页	398K
描述
G = 0.2, Level Translation, 16-Bit ADC Driver

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AD8202 数据手册

G = 0.2, Level Translation,

16-Bit ADC Driver

AD8275

FEATURES

PIN CONFIGURATION

Translates 10 V to +4 V

Drives 16-bit SAR ADCs

Small MSOP package

Input overvoltage: +40 V to −35 V (V_S= 5 V)

Fast settling time: 450 ns to 0.001%

Rail-to-rail output

Wide supply operation: +3.3 V to +15 V

High CMRR: 80 dB

REF1

–IN

REF2

AD8275

TOP VIEW

+IN

OUT

(Not to Scale)

–V

SENSE

Figure 1.

TYPICAL APPLICATION

+5V

0.1µF

Low gain drift: 1 ppm/°C

Low offset drift: 2.5 μV/°C

+4.048V

+2.048V

+0.048V

+10V

50kΩ

–IN

10kΩ

APPLICATIONS

SENSE

33Ω

VDD

AD7685

GND

IN+

IN–

OUT

Level translator

ADC driver

2.7nF

REF

50kΩ

+IN

20kΩ

Instrumentation amplifier building block

Automated test equipment

VIN

–10V

REF2

REF1

VREF

4.096V

10µF

AD8275 ^–V

Figure 2. Translating 10 V to 4.096 V ADC Full Scale

GENERAL DESCRIPTION

The AD8275 is a G = 0.2 difference amplifier that can be used

to translate 10 V signals to a +4 V level. It solves the problem

typically encountered in industrial and instrumentation applic-

ations where 10 V signals must be interfaced to a single-supply

4 V or 5 V ADC. The AD8275 interfaces the two signal levels,

simplifying design.

The AD8275 can be used as an analog front end, or it can follow

buffers to level translate high voltages to a voltage range accepted

by the ADC. In addition, the AD8275 can be configured for diff-

erential outputs if used with a differential ADC.

The AD8275 is available in a space-saving, 8-lead MSOP

and is specified for performance over the −40°C to +85°C

temperature range.

The AD8275 has fast settling time of 450 ns and low distortion,

making it suitable for driving medium speed successive approx-

imation (SAR) ADCs. Its wide input voltage range and rail-to-

rail outputs make it an easy to use building block. Single-supply

operation reduces the power consumption of the amplifier and

helps to protect the ADC from overdrive conditions.

Table 1. Difference Amplifiers by Category

Single-Supply

Current Sense

Low Distortion

AD8270

High Voltage

AD628

AD8202

AD8273

AD629

AD8203

Internal, matched, precision laser-trimmed resistors ensure

low gain error, low gain drift of 1 ppm/°C (maximum), and

high common-mode rejection of 80 dB. Low offset and low

offset drift, combined with its fast settling time, make the

AD8275 suitable for a variety of data acquisition applications

where accurate and quick capture is required.

AD8274

AD8205

AD8275

AD8206

AMP03

AD8216

Rev. A

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

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AD8202YR	ADI	获取价格	High Common-Mode Voltage, Single-Supply Difference Amplifier
AD8202YRMZ	ADI	获取价格	High Common-Mode Voltage, Single-Supply Difference Amplifier
AD8202YRMZ-R7	ADI	获取价格	High Common-Mode Voltage, Single-Supply Difference Amplifier
AD8202YRMZ-RL	ADI	获取价格	High Common-Mode Voltage, Single-Supply Difference Amplifier

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