AD5547

更新时间： 2024-11-24 21:59:15

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	652K
描述
Dual Current Output, Parallel Input, 16-/14-Bit Multiplying DACs with 4-Quadrant Resistors

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AD5547 数据手册

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

Multiplying DACs with 4-Quadrant Resistors

AD5547/AD5557

FEATURES

Dual channel

FUNCTIONAꢀ BꢀOCK DIAGRAM

COMA

REFA

OFSA

16-bit resolution: AD5547

14-bit resolution: AD5557

FBA

2- or 4-quadrant, 4 MHz BW multiplying DAC

1 ꢀSB DNꢀ

1 ꢀSB INꢀ for AD5557, 2 ꢀSB INꢀ for AD5547

Operating supply voltage: 2.7 V to 5.5 V

ꢀow noise: 12 nV/√Hz

DAC A

D0..D15

D0..D13

INPUT

DAC A

DAC B

D0–D15

(AD5547)

D0–D13

OUTA

AGNDA

(AD5557)

AGNDB

DAC B

INPUT

ꢀow power: I_DD= 10 µA max

0.5 µs settling time

OUTB

DAC A

DAC B

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

Extended automotive operating temperature range:

–40°C to +125°C

FBB

OFSB

POWER

RESET

A0, A1

ADDR

DECODE

AD5547/AD5557

DGND

RS MSB

LDAC

REFB

COMB

Figure 1.

Selectable zero-scale/midscale power-on presets

Compact TSSOP-38 package

APPꢀICATIONS

Automatic test equipment

Instrumentation

Digitally controlled calibration

Digital waveform generation

The built-in 4-quadrant resistors facilitate resistance matching

and temperature tracking, which minimize the numbers of

components needed for multiquadrant applications. In addition,

the feedback resistor (R_FB) simplifies the I-V conversion with an

external buffer.

GENERAꢀ DESCRIPTION

The AD5547/AD5557 are dual precision, 16-/14-bit,

multiplying, low power, current-output, parallel input, digital-

to-analog converters. They are designed to operate from single

+5 V supply with 1ꢀ V multiplying references for 4-quadrant

outputs with up to 4 MHz bandwidth.

The AD5547/AD5557 are available in a compact TSSOP-38

package and operate at the extended automotive temperature

range of –4ꢀ°C to +125°C.

VREF

–VREF

FBA

COMA

REFA

OFSA

ROFS RFB

IOUTA

VOUTA

16-/14-BIT

DAC A

AD5547/AD5557

16/14 DATA

AGNDA

–VREF TO +VREF

POWER-ON

RESET

WR LDAC RS

MSB A0, A1

(ONE CHANNEL SHOWN ONLY)

LDAC

MSB

A0, A1

Figure 2. 16/14-Bit 4-Quadrant Multiplying DAC with Minimum of External Components (Only One Channel Shown)

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...20

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与AD5547相关器件

型号	品牌	获取价格	描述	数据表
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
AD5547BRUZ-REEL7	ADI	获取价格	IC PARALLEL, WORD INPUT LOADING, 0.5 us SETTLING TIME, 16-BIT DAC, PDSO38, ROHS COMPLIANT,
AD5547CRUZ	ADI	获取价格	Dual-Current Output, Parallel Input, 16-/14-Bit Multiplying DACs
AD5547CRUZ-REEL7	ADI	获取价格	Dual-Current Output, Parallel Input, 16-/14-Bit Multiplying DACs
AD5547-EP	ADI	获取价格	Dual-Current Output, Parallel Input
AD5547SRU-EP	ADI	获取价格	Dual-Current Output, Parallel Input
AD5551	ADI	获取价格	5 V, Serial-Input Voltage-Output, 14-Bit DACs

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