AD5546

更新时间： 2024-09-14 22:02:27

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
16页	680K
描述
Current Output, Parallel Input, 16-/14-Bit Multiplying DACs with 4-Quadrant Resistors

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AD5546 数据手册

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

Multiplying DACs with 4-Quadrant Resistors

AD5546/AD5556

FEATURES

16-bit resolution

FUNCTIONAꢀ BꢀOCK DIAGRAM

REF R

COM

OFS

14-bit resolution

2- or 4-quadrant multiplying DAC

1 ꢀSB DNꢀ

1 ꢀSB INꢀ or 2 ꢀSB INꢀ

Operating supply voltage: 2.7 V to 5.5 V

ꢀow noise: 12 nV/√Hz

ꢀow power: I_DD= 10 µA

0.5 µs settling time

OFS

DAC

16/14

AD5546/

AD5556

OUT

CONTROL

LOGIC

DAC

LDAC

GND

DB0–DB15

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

MSB RS

Figure 1. AD5546/AD5556 Simplified Block Diagram

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

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

Compact TSSOP-28 package

GENERAꢀ DESCRIPTION

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

power, current output, parallel input D/A converters. They

operate from a single 2.7 V to 5.5 V supply with 1ꢀ V multi-

plying references for 4-quadrant outputs. Built-in 4-quadrant

resistors facilitate the resistance matching and temperature

tracking that minimize the number of components needed for

multiquadrant applications. The feedback resistor (R_FB) simpli-

fies the I-V conversion with an external buffer. The AD5546/

AD5556 are packaged in compact TSSOP-28 packages with

operating temperatures from –4ꢀ°C to +125°C.

APPꢀICATIONS

Automatic test equipment

Instrumentation

Digitally controlled calibration

Digital waveform generation

VIN

U2A

ADR03

OP2177

–

TRIM

–VREF

REF

+VREF

VOUT

GND

RCOM

ROF

RFB

ROFS

RFB

VDD

IOUT

–

16/14-BIT

U2B

OP2177

AD5546/AD5556

VOUT

GND

16/14 DATA

–VREF TO +VREF

WR LDAC RS MSB

LDAC

MSB

Figure 2. 16-/14-Bit, 4-Quadrant Multiplying DAC with a Minimum of External Components

Rev. 0

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

Fax: 781.326.8703

www.analog.com

12 3 4 5 6 7...16

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与AD5546相关器件

型号	品牌	获取价格	描述	数据表
AD5546BRU	ADI	获取价格	Current Output, Parallel Input, 16-/14-Bit Multiplying DACs with 4-Quadrant Resistors
AD5546BRU-REEL7	ADI	获取价格	Current Output, Parallel Input, 16-/14-Bit Multiplying DACs with 4-Quadrant Resistors
AD5546BRUZ	ADI	获取价格	Current-Output Parallel-Input, 16-Bit Digital-to-Analog Converter
AD5546CRUZ	ADI	获取价格	Current-Output Parallel-Input, 16-Bit Digital-to-Analog Converter
AD5546CRUZ-REEL7	ADI	获取价格	Current-Output Parallel-Input, 16-Bit Digital-to-Analog Converter
AD5547	ADI	获取价格	Dual Current Output, Parallel Input, 16-/14-Bit Multiplying DACs with 4-Quadrant Resistors
AD5547BRU	ADI	获取价格	Dual Current Output, Parallel Input, 16-/14-Bit Multiplying DACs with 4-Quadrant Resistors
AD5547BRU-R7	ADI	获取价格	IC PARALLEL, WORD INPUT LOADING, 0.5 us SETTLING TIME, 16-BIT DAC, PDSO38, MO-153BD-1, TSS
AD5547BRU-REEL7	ADI	获取价格	Dual Current Output, Parallel Input, 16-/14-Bit Multiplying DACs with 4-Quadrant Resistors
AD5547BRUZ	ADI	获取价格	Dual-Current Output, Parallel Input, 16-/14-Bit Multiplying DACs

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