Datasheet > ADA4899

ADA4899

更新时间： 2024-11-03 12:54:35

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	405K
描述
Dual-Current Output, Parallel Input, 16 /14-Bit Multiplying DACs with 4-Quadrant Resistors

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ADA4899 数据手册

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

Multiplying DACs with 4-Quadrant Resistors

Data Sheet

AD5547/AD5557

FEATURES

FUNCTIONAL BLOCK DIAGRAM

OFSA

COMA

REFA

Dual channel

FBA

16-bit resolution: AD5547

14-bit resolution: AD5557

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

1 LSB DNL

1 LSB INL

Operating supply voltage: 2.7 V to 5.5 V

Low noise: 12 nV/√Hz

Low power: I_DD= 10 µA max

DAC A

D0..D15

D0..D13

INPUT

DAC A

DAC B

D0 TO D15

(AD5547)

D0 TO D13

(AD5557)

OUTA

AGNDA

AGNDB

DAC B

INPUT

OUTB

DAC A

DAC B

FBB

OFSB

POWER

RESET

0.5 µs settling time

A0, A1

ADDR

DECODE

AD5547/AD5557

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 20%, with V_REF= 10 V

Extended automotive operating temperature range

−40°C to +125°C

DGND

RS MSB

LDAC

REFB

COMB

Figure 1.

GENERAL DESCRIPTION

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

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

converters (DACs). They are designed to operate from single

+5 V supply with 10 V multiplying references for 4-quadrant

outputs with 6.8 MHz bandwidth.

Selectable zero-scale/midscale power-on presets

Compact 38-lead TSSOP package

APPLICATIONS

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 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/AD5557 are available in a compact, 38-lead TSSOP

package and operate at the extended automotive temperature

range of −40°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 Is Shown)

Rev. D

Document Feedback

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 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.

Technical Support

www.analog.com

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ADA4899-1	ADI	获取价格	Unity Gain Stable, Ultralow Distortion, 1 nV/ Hz Voltage Noise, High Speed Op Amp
ADA4899-1_07	ADI	获取价格	Unity-Gain Stable, Ultralow Distortion, 1 nV/
ADA4899-1YCPZ-R2	ADI	获取价格	Unity Gain Stable, Ultralow Distortion, 1 nV/ Hz Voltage Noise, High Speed Op Amp
ADA4899-1YCPZ-R7	ADI	获取价格	Unity Gain Stable, Ultralow Distortion, 1 nV/ Hz Voltage Noise, High Speed Op Amp
ADA4899-1YCPZ-RL	ADI	获取价格	Unity Gain Stable, Ultralow Distortion, 1 nV/ Hz Voltage Noise, High Speed Op Amp
ADA4899-1YRDZ	ADI	获取价格	Unity Gain Stable, Ultralow Distortion, 1 nV/ Hz Voltage Noise, High Speed Op Amp
ADA4899-1YRDZ-R7	ADI	获取价格	Unity Gain Stable, Ultralow Distortion, 1 nV/ Hz Voltage Noise, High Speed Op Amp
ADA4899-1YRDZ-RL	ADI	获取价格	Unity Gain Stable, Ultralow Distortion, 1 nV/ Hz Voltage Noise, High Speed Op Amp
ADA4922-1	ADI	获取价格	High Voltage, Differential 18-Bit ADC Driver
ADA4922-1_16	ADI	获取价格	High Voltage, Differential 18-Bit ADC Driver

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