ADR423ARM

更新时间： 2024-11-12 13:05:27

品牌	Logo	应用领域
亚德诺 - ADI		转换器数模转换器
页数	文件大小	规格书
20页	1027K
描述
IC 1-OUTPUT THREE TERM VOLTAGE REFERENCE, 3 V, PDSO8, MO-187AA, MSOP-8, Voltage Reference

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ADR423ARM 数据手册

Current Output, Parallel Input, 16-/14-Bit

Multiplying DACs with Four-Quadrant Resistors

Data Sheet

AD5546/AD5556

FEATURES

FUNCTIONAꢀ BꢀOCK DIAGRAM

REF R

COM

OFS

16-bit resolution

14-bit resolution

2- or 4-quadrant multiplying DAC

1 ꢀSB DNꢀ

OFS

DAC

16/14

AD5546/

AD5556

OUT

1 ꢀSB INꢀ

Operating supply voltage: 2.7 V to 5.5 V

ꢀow noise: 12 nV/√Hz

ꢀow power: I_DD= 10 μA

CONTROL

LOGIC

DAC

LDAC

GND

DB0 TO DB15

0.5 μs settling time

POR

Built-in R_FBfacilitates current-to-voltage conversion

Built-in 4-quadrant resistors allow 0 V to –10 V, 0 V to +10 V,

or 10 V outputs

2 mA full-scale current 20ꢁ, with V_REF= 10 V

Automotive operating temperature: –40°C to +125°C

Compact TSSOP-28 package

MSB RS

Figure 1. AD5546/AD5556 Simplified Block Diagram

GENERAꢀ DESCRIPTION

The AD5546/AD5556 are precision 16-/14-bit, multiplying, low

power, current output, parallel input digital-to-analog converters

(DACs). They operate from a single 2.7 V to 5.5 V supply with

10 V multiplying references for four-quadrant outputs. Built-

in four-quadrant resistors facilitate the resistance matching and

temperature tracking that minimize the number of components

needed for multiquadrant applications. The feedback resistor

(R_FB) simplifies the I-V conversion with an external buffer. The

AD5546/AD5556 are packaged in compact TSSOP-28 packages

with operating temperatures from –40°C to +125°C.

APPꢀICATIONS

Automatic test equipment

Instrumentation

Digitally controlled calibration

Digital waveform generation

The EVAL-AD5546SDZ is available for evaluating DAC perfor-

mance. For more information, see the UG-309 evaluation board

user guide.

U2A

OP2177

–

+10V

–10V

R1A

VREFA

FBA

COMA

OFSA

+15V

1µF

OFS

+5V

1µF

0.1µF

OUT

16-/14-BIT

DATA

0.1µF

–

V+

U2B

AD5546/AD5556

VOUT

OP2177

GND

V–

16-/14-BIT

1µF

DATA

WR LDAC RS MSB

LDAC

0.1µF

–15V

MSB

Figure 2. 16-/14-Bit, Four-Quadrant Multiplying DAC with a Minimum of External Components

Rev. D

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 registeredtrademarks arethe 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...20

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ADR423ARM 替代型号

型号	品牌	替代类型	描述	数据表
ADR423ARM-REEL7	ADI	完全替代	Ultraprecision Low Noise, 2.048 V/2.500 V/ 3.00 V/5.00 V XFET Voltage References
ADR423AR-REEL7	ADI	完全替代	Ultraprecision Low Noise, 2.048 V/2.500 V/ 3.00 V/5.00 V XFET Voltage References
ADR423AR	ADI	完全替代	Ultraprecision Low Noise, 2.048 V/2.500 V/ 3.00 V/5.00 V XFET Voltage References

与ADR423ARM相关器件

型号	品牌	获取价格	描述	数据表
ADR423ARM-REEL7	ADI	获取价格	Ultraprecision Low Noise, 2.048 V/2.500 V/ 3.00 V/5.00 V XFET Voltage References
ADR423ARMZ	ADI	获取价格	Ultraprecision, Low Noise, 2.048 V/2.500 V/ 3
ADR423ARMZ-REEL7	ADI	获取价格	Ultraprecision, Low Noise, 2.048 V/2.500 V/ 3
ADR423AR-REEL7	ADI	获取价格	Ultraprecision Low Noise, 2.048 V/2.500 V/ 3.00 V/5.00 V XFET Voltage References
ADR423ARZ	ADI	获取价格	Ultraprecision, Low Noise, 2.048 V/2.500 V/ 3
ADR423ARZ-REEL7	ADI	获取价格	Ultraprecision, Low Noise, 2.048 V/2.500 V/ 3
ADR423BR	ADI	获取价格	Ultraprecision Low Noise, 2.048 V/2.500 V/ 3.00 V/5.00 V XFET Voltage References
ADR423BR-REEL7	ADI	获取价格	Ultraprecision Low Noise, 2.048 V/2.500 V/ 3.00 V/5.00 V XFET Voltage References
ADR423BRZ	ADI	获取价格	Ultraprecision, Low Noise, 2.048 V/2.500 V/ 3
ADR423BRZ-REEL7	ADI	获取价格	Ultraprecision, Low Noise, 2.048 V/2.500 V/ 3

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