AD5547-EP

更新时间： 2024-11-05 12:29:43

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
12页	316K
描述
Dual-Current Output, Parallel Input

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数据手册

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AD5547-EP 数据手册

Dual-Current Output, Parallel Input, 16-Bit

Multiplying DAC with 4-Quadrant Resistors

Data Sheet

AD5547-EP

FEATURES

Dual channel

FUNCTIONAꢀ BꢀOCK DIAGRAM

OFSA

COMA

REFA

16-bit resolution: AD5547-EP

2- or 4-quadrant, 6.8 MHz bandwidth multiplying DAC

1 ꢀSB DNꢀ

FBA

DAC A

INPUT

DAC A

DAC B

OUTA

D0 TO

D15

AGNDA

D0 TO D15

2 ꢀSB INꢀ

Operating supply voltage: 2.7 V to 5.5 V

ꢀow noise: 12 nV/√Hz

ꢀow power: I_DD= 10 μA maximum

0.5 μs settling time

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

AGNDB

DAC B

INPUT

OUTB

DAC A

DAC B

FBB

OFSB

POWER

RESET

A0, A1

ADDR

DECODE

AD5547-EP

DGND

RS MSB

LDAC

REFB

COMB

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

Extended automotive operating temperature range

−55°C to +125°C

Figure 1.

GENERAꢀ DESCRIPTION

Selectable zero-scale/midscale power-on presets

Compact 38-lead TSSOP package

The AD5547-EP is a dual precision, 16-bit, multiplying, low power,

current-output, parallel input, digital-to-analog converter (DAC). It

is designed to operate from a single +5 V supply with 1ꢀ V

multiplying references for 4-quadrant outputs with a 6.8 MHz

bandwidth.

ENHANCED PRODUCT FEATURES

Supports defense and aerospace applications (AQEC

standard)

Military temperature range (such as −55°C to +125°C).

Controlled manufacturing baseline

One assembly/test site

One fabrication site

Enhanced product change notification

Qualification data available on request

The built-in, 4-quadrant resistors facilitate resistance matching

and temperature tracking, which minimize the number of

components needed for multiquadrant applications. In addition,

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

an external buffer.

The AD5547-EP is available in a compact, 38-lead TSSOP

package and operates at the extended automotive temperature

range of −55°C to +125°C. Additional application and technical

information can be found in the AD5547 data sheet.

APPꢀICATIONS

Automatic test equipment

Instrumentation

Digitally controlled calibration

Digital waveform generation

VREF

–VREF

FBA

COMA

REFA

OFSA

ROFS RFB

IOUTA

VOUTA

16-BIT

DAC A

AD5547-EP

16-BIT 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-Bit 4-Quadrant Multiplying DAC with Minimum of External Components (Only One Channel Is 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 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

Fax: 781.461.3113

www.analog.com

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