Datasheet > EVAL-AD5791SDZ

EVAL-AD5791SDZ

更新时间： 2024-11-30 12:52:51

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
28页	900K
描述
1 ppm 20-Bit, 1 LSB INL, Voltage Output DAC

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EVAL-AD5791SDZ 数据手册

1 ppm 20-Bit,

1 LSB INL, Voltage Output DAC

Data Sheet

AD5791

FEATURES

FUNCTIONAL BLOCK DIAGRAM

REFPF REFPS

1 ppm resolution

1 ppm INL

6.8kΩ 6.8kΩ

AD5791

7.5 nV/√Hz noise spectral density

0.19 LSB long-term linearity stability

<0.05 ppm/°C temperature drift

1 µs settling time

IOV

INV

SDIN

SCLK

SYNC

SDO

INPUT

SHIFT

20-BIT

DAC

REG

OUT

AND

CONTROL

LOGIC

1.4 nV-sec glitch impulse

Operating temperature range: −40°C to +125°C

20-lead TSSOP package

Wide power supply range up to 16.5 V

35 MHz Schmitt triggered digital interface

1.8 V compatible digital interface

6kΩ

LDAC

CLR

POWER-ON-RESET

AND CLEAR LOGIC

RESET

DGND

AGND

REFNF REFNS

Figure 1.

APPLICATIONS

Table 1. Complementary Devices

Medical instrumentation

Test and measurement

Industrial control

High end scientific and aerospace instrumentation

Part No.

Description

AD8675

Ultra precision, 36 V, 2.8 nV/√Hz rail-to-rail

output op amp

AD8676

Ultra precision, 36 V, 2.8 nV/√Hz dual rail-to-

rail output op amp

ADA4898-1

High voltage, low noise, low distortion, unity

gain stable, high speed op amp

Table 2. Related Device

Part No.

Description

AD5781

18-bit, 0.5 LSB INL, voltage output DAC

GENERAL DESCRIPTION

The AD5791¹is a single 20-bit, unbuffered voltage-output DAC

that operates from a bipolar supply of up to 33 V. The AD5791

accepts a positive reference input in the range 5 V to V_DD− 2.5 V

and a negative reference input in the range V_SS+ 2.5 V to 0 V.

The AD5791 offers a relative accuracy specification of 1 LSB

max, and operation is guaranteed monotonic with a 1 LSB

DNL maximum specification.

output powers up to 0 V and in a known output impedance

state and remains in this state until a valid write to the device

takes place. The part provides an output clamp feature that

places the output in a defined load state.

PRODUCT HIGHLIGHTS

1. 1 ppm Accuracy.

2. Wide Power Supply Range up to 16.5 V.

3. Operating Temperature Range: −40°C to +125°C.

4. Low 7.5 nV/√Hz Noise Spectral Density.

5. Low 0.05 ppm/°C Temperature Drift.

The part uses a versatile 3-wire serial interface that operates at

clock rates up to 35 MHz and that is compatible with standard

SPI, QSPI™, MICROWIRE™, and DSP interface standards. The

part incorporates a power-on reset circuit that ensures the DAC

¹Protected by U.S. Patent No. 7,884,747. Other patents pending.

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

rightsof 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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