Datasheet > EVAL-AD5781SDZ

EVAL-AD5781SDZ

更新时间： 2024-01-31 07:39:30

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
28页	854K
描述
True 18-Bit, Voltage Output DAC Â±0.5 LSB INL, Â±0.5 LSB DNL

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EVAL-AD5781SDZ 数据手册

True 18-Bit, Voltage Output DAC

0.5 LSB INL, 0.5 LSB DNL

Data Sheet

AD5781

FEATURES

FUNCTIONAL BLOCK DIAGRAM

REFPF REFPS

Single 18-bit DAC, 0.5 LSB INL

7.5 nV/√Hz noise spectral density

0.05 LSB long-term linearity stability

<0.05 ppm/°C temperature drift

1 µs settling time

1.4 nV-sec glitch impulse

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

20-lead TSSOP package

6.8kΩ 6.8kΩ

AD5781

IOV

INV

SDIN

SCLK

SYNC

SDO

INPUT

SHIFT

18-BIT

DAC

REG

OUT

AND

CONTROL

LOGIC

6kΩ

LDAC

Wide power supply range of up to 16.5 V

35 MHz Schmitt triggered digital interface

1.8 V compatible digital interface

CLR

POWER-ON-RESET

AND CLEAR LOGIC

RESET

DGND

AGND

V V

REFNF REFNS

APPLICATIONS

Figure 1.

Medical instrumentation

Test and measurement

Industrial control

Table 1. Complementary Devices

Part No.

Description

Scientific and aerospace instrumentation

Data acquisition systems

Digital gain and offset adjustment

Power supply control

AD8675

Ultraprecision, 36 V, 2.8 nV/√Hz rail-to-rail

output op amp

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

rail output op amp

AD8676

ADA4898-1

High voltage, low noise, low distortion, unity

gain stable, high speed op amp

Table 2. Related Devices

Part No.

Description

AD5791

20-bit, 1 ppm accurate DAC

AD5541A/AD5542A 16-bit, 1 LSB accurate 5 V DAC

GENERAL DESCRIPTION

The AD5781¹is a single 18-bit, unbuffered voltage output DAC

that operates from a bipolar supply of up to 33 V. The AD5781

accepts a positive reference input range of 5 V to V_DD− 2.5 V and

a negative reference input range of V_SS+ 2.5 V to 0 V. The

AD5781 offers a relative accuracy specification of 0.5 LSB

maximum, and operation is guaranteed monotonic with a 0.5

LSB DNL maximum specification.

PRODUCT HIGHLIGHTS

1. True 18-Bit Accuracy.

2. Wide Power Supply Range of Up to 16.5 V.

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

4. Low 7.5 nV/√Hz Noise.

5. Low 0.05 ppm/°C Temperature Drift.

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

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

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

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

DAC 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.

¹Protected by U.S. Patent No 7884747, and other patents are 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

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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与EVAL-AD5781SDZ相关器件

型号	品牌	获取价格	描述	数据表
EVAL-AD5790SDZ	ADI	获取价格	System Ready, 20-Bit, ±2LSB INL
EVAL-AD5791SDZ	ADI	获取价格	1 ppm 20-Bit, 1 LSB INL, Voltage Output DAC
EVAL-AD5821AEBZ	ADI	获取价格	120 mA, Current Sinking, 10-Bit, I2C DAC
EVAL-AD5821EBZ1	ADI	获取价格	120 mA, Current Sinking, 10-Bit, I2C DAC
EVAL-AD5930EB	ADI	获取价格	Programmable Frequency Sweep and Output Burst Waveform Generator
EVAL-AD5932EB	ADI	获取价格	Programmable Frequency Scan Waveform Generator
EVALAD5933EB	ADI	获取价格	Evaluation Board for the 1 MSPS 12-Bit Impedance Converter Network Analyzer
EVAL-AD5933EB	ADI	获取价格	1 MSPS, 12-Bit Impedance Converter, Network Analyzer
EVAL-AD5933EBZ	ADI	获取价格	Evaluation Board for the 1 MSPS 12-Bit Impedance Converter Network Analyzer
EVAL-AD5934EB	ADI	获取价格	250 kSPS, 12-Bit Impedance Converter, Network Analyzer

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