Datasheet > AD5675R

AD5675R

更新时间： 2024-11-28 00:50:39

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
28页	1054K
描述
Easy implementation

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数据手册

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AD5675R 数据手册

Octal, 16-Bit nanoDAC+ with SPI Interface

Data Sheet

AD5676

FEATURES

GENERAL DESCRIPTION

High performance

The AD5676 is a low power, octal, 16-bit buffered voltage

High relative accuracy (INL): 3 LSB maximum at 16 bits

Total unadjusted error (TUE): 0.14% of FSR maximum

Offset error: 1.5 mV maximum

Gain error: 0.06% of FSR maximum

Wide operating ranges

output digital-to-analog converter (DAC). The device includes

a gain select pin, giving a full-scale output of V_REF(gain = 1) or

2 × V_REF(gain = 2). The AD5676 DAC operates from a single

2.7 V to 5.5 V supply and is guaranteed monotonic by design.

The AD5676 is available in 20-lead TSSOP and LFCSP packages.

−40°C to +125°C temperature range

2.7 V to 5.5 V power supply

Easy implementation

User selectable gain of 1 or 2 (GAIN pin/gain bit)

Reset to zero scale or midscale (RSTSEL pin)

1.8 V logic compatibility

The internal power-on reset circuit and the RSTSEL pin of the

AD5676 ensure that the output DACs power up to zero scale or

midscale and then remain there until a valid write takes place. The

AD5676 contains a per channel power-down mode that typically

reduces the current consumption of the device to 1 µA.

The AD5676 employs a versatile serial peripheral interface (SPI)

that operates at clock rates up to 50 MHz, and contains a V_LOGICpin

intended for 1.8 V to 5.5 V logic.

50 MHz SPI with readback or daisy chain

Robust 2 kV HBM and 1.5 kV FICDM ESD rating

20-lead, TSSOP and LFCSP RoHS-compliant packages

Table 1. Octal nanoDAC+® Devices

APPLICATIONS

Interface

Reference

Internal

External

Internal

External

16-Bit

12-Bit

Optical transceivers

SPI

AD5676R

AD5676

AD5675R

AD5675

AD5672R

Base station power amplifiers

Process control (PLC input/output cards)

Industrial automation

Not applicable

AD5671R

I²C

Not applicable

Data acquisition systems

PRODUCT HIGHLIGHTS

1. High relative accuracy (INL) 16-bit: 3 LSB maximum.

2. −40°C to +125°C temperature range.

3. 20-lead, TSSOP and LFCSP RoHS-compliant packages.

FUNCTIONAL BLOCK DIAGRAM

REF

LOGIC

AD5676

BUFFER

INPUT

DAC

STRING

DAC 0

OUT

INPUT

DAC

STRING

DAC 1

INPUT

DAC

STRING

DAC 2

SCLK

SYNC

SDI

INPUT

DAC

STRING

DAC 3

INTERFACE

LOGIC

INPUT

DAC

STRING

DAC 4

INPUT

DAC

STRING

DAC 5

SDO

INPUT

DAC

STRING

DAC 6

LDAC

RESET

INPUT

DAC

STRING

DAC 7

POWER-DOWN

LOGIC

POWER-ON RESET

GAIN x1/x2

GAIN

RSTSEL

GND

Figure 1.

Rev. B

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 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.

Technical Support

www.analog.com

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