AD5669R

更新时间： 2024-09-15 12:53:19

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
32页	1166K
描述
Octal, 12-/16-Bit, I2C, denseDACs with 5 ppm/Â°C On-Chip Reference

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AD5669R 数据手册

Octal, 12-/16-Bit, I²C, denseDACs

with 5 ppm/°C On-Chip Reference

Data Sheet

AD5629R/AD5669R

FEATURES

FUNCTIONAL BLOCK DIAGRAM

REFIN REFOUT

Low power octal DACs

AD5629R: 12 bits

AD5629R/AD5669R

1.25V/2.5V REF

BUFFER

AD5669R: 16 bits

LDAC

INPUT

DAC

STRING

DAC A

OUT

2.6 mm × 2.6 mm 16-ball WLCSP

4 mm × 4 mm 16-lead LFCSP and 16-lead TSSOP

On-chip 1.25 V/2.5 V, 5 ppm/°C reference

Power down to 400 nA at 5 V, 200 nA at 3 V

2.7 V to 5.5 V power supply

Guaranteed monotonic by design

Power-on reset to zero scale or midscale

3 power-down functions

SCL

SDA

BUFFER

INPUT

DAC

STRING

DAC B

INPUT

DAC

STRING

DAC C

INPUT

DAC

STRING

DAC D

INPUT

DAC

STRING

DAC E

LDAC

CLR

functions

Hardware

and

I²C-compatible serial interface supports standard (100 kHz)

and fast (400 kHz) modes

INPUT

DAC

STRING

DAC F

APPLICATIONS

INPUT

DAC

STRING

DAC G

Process control

INPUT

DAC

STRING

DAC H

Data acquisition systems

Portable battery-powered instruments

Digital gain and offset adjustment

Programmable voltage and current sources

POWER-ON RESET

POWER-DOWN LOGIC

GND

LDAC CLR

Figure 1.

GENERAL DESCRIPTION

The AD5629R/AD5669R devices are low power, octal, 12-/16-

bit, buffered voltage-output DACs. All devices are guaranteed

monotonic by design.

The parts incorporate a power-on reset circuit to ensure that the

DAC output powers up to 0 V (AD5629R-1/AD5629R-2,

AD5669R-1/AD5669R-2) or midscale (AD5629R-3/AD5669R-3)

and remains powered up at this level until a valid write takes

place. The part contains a power-down feature that reduces the

current consumption of the device to 400 nA at 5 V and

provides software-selectable output loads while in power-down

mode for any or all DAC channels.

The AD5629R/AD5669R have an on-chip reference with an

internal gain of 2. The AD5629R-1/AD5669R-1 have a 1.25 V,

5 ppm/°C reference, giving a full-scale output range of 2.5 V.

The AD5629R-2/AD5629R-3 and the AD5669R-2/AD5669R-3

have a 2.5 V 5 ppm/°C reference, giving a full-scale output range

of 5 V depending on the option selected. Devices with 1.25 V

reference selected operate from a single 2.7 V to 5.5 V supply.

Devices with 2.5 V reference selected operate from 4.5 V to 5.5 V.

The on-chip reference is off at power-up, allowing the use of an

external reference. The internal reference is enabled via a

software write.

PRODUCT HIGHLIGHTS

1. Octal, 12-/16-bit DACs.

2. On-chip 1.25 V/2.5 V, 5 ppm/°C reference.

3. Available in 16-lead LFCSP and TSSOP, and 16-ball

WLCSP.

4. Power-on reset to 0 V or midscale.

5. Power-down capability. When powered down, the DAC

typically consumes 200 nA at 3 V and 400 nA at 5 V.

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 registeredtrademarks arethe property of their respective owners.

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.

Technical Support

www.analog.com

12 3 4 5 6 7...32

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与AD5669R相关器件

型号	品牌	获取价格	描述	数据表
AD5669RACPZ	ADI	获取价格	IC 16-BIT DAC, PQCC16, 4 X 4 MM, ROHS COMPLIANT, MO-220WGGC, LFCSP-16, Digital to Analog C
AD5669RACPZ-2-RL7	ADI	获取价格	暂无描述
AD5669RACPZ-3	ADI	获取价格	IC 16-BIT DAC, PQCC16, 4 X 4 MM, ROHS COMPLIANT, MO-220WGGC, LFCSP-16, Digital to Analog C
AD5669RACPZ-3-RL7	ADI	获取价格	Octal, 16-bit, I<sup>2</sup>C Voltage Output denseDAC with 5 ppm/°C On
AD5669RARUZ	ADI	获取价格	IC 16-BIT DAC, PDSO16, ROHS COMPLIANT, MO-153AB, TSSOP-16, Digital to Analog Converter
AD5669RARUZ-1	ADI	获取价格	Octal, 16-bit, I<sup>2</sup>C Voltage Output denseDAC with 5 ppm/°C On
AD5669RARUZ-1-RL7	ADI	获取价格	Octal, 16-bit, I<sup>2</sup>C Voltage Output denseDAC with 5 ppm/°C On
AD5669RARUZ-3	ADI	获取价格	IC 16-BIT DAC, PDSO16, ROHS COMPLIANT, MO-153AB, TSSOP-16, Digital to Analog Converter
AD5669RBCBZ-1-R5	ADI	获取价格	Octal, 16-bit, I<sup>2</sup>C Voltage Output denseDAC with 5 ppm/°C On
AD5669RBCBZ-1-RL7	ADI	获取价格	Octal, 16-bit, I<sup>2</sup>C Voltage Output denseDAC with 5 ppm/°C On

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