Datasheet > AD5667R

AD5667R

更新时间： 2024-11-05 04:30:43

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
30页	778K
描述
Dual, 12-/14-/16-Bit nanoDACs with 5ppm/C On-Chip Ref, I2C Interface

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AD5667R 数据手册

Dual, 12-/14-/16-Bit nanoDACs^®with

5ppm/°C On-Chip Ref, I²C Interface

AD5627R/AD5647R/AD5667R

AD5627/AD5667

Preliminary Technical Data

REFIN REFOUT

GND

FEATURES

AD5627R/AD5647R/AD5667R

1.25V/2.5V REF

Low power, smallest pin-compatible, dual nanoDACs

AD5627R/AD5647R/AD5667R

12-/14-/16- bit

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

AD5625/AD5665

ADDR

INPUT

DAC

STRING

DAC A

BUFFER

OUTA

INTERFACE

LOGIC

SCL

SDA

INPUT

DAC

STRING

DAC B

OUTB

POWER-ON

RESET

POWER-DOWN

LOGIC

12-/16- bit

External reference only

LDAC CLR

3 mm x 3 mm LFCSP and 10-lead MSOP

2.7 V to 5.5 V power supply

Guaranteed monotonic by design

Power-on reset to zero scale

Per channel power-down

V_REFIN

V_DD

GND

AD5627/AD5667

ADDR

STRING

DAC A

INPUT

DAC

BUFFER

V_OUTA

INTERFACE

LOGIC

SCL

SDA

I²C-compatible serial interface supports standard (100 kHz),

fast (400 kHz), and high speed (3.4 MHz) modes

INPUT

DAC

STRING

DAC B

V_OUTB

POWER-ON

RESET

POWER-DOWN

LOGIC

APPLICATIONS

LDAC CLR

Process control

Figure 1. Functional Block Diagrams

Data acquisition systems

Portable battery-powered instruments

Digital gain and offset adjustment

Programmable voltage and current sources

Programmable attenuators

GENERAL DESCRIPTION

480 nA at 5 V and provides software-selectable output loads

while in power-down mode. The low power consumption of

this part in normal operation makes it ideally suited to portable

battery-operated equipment. The on-chip precision output

amplifier enables rail-to-rail output swing.

The AD5627R/AD5647R/AD5667R, AD5627/AD5667,

members of the nanoDAC family, are low power, dual, 12-, 14-,

16-bit buffered voltage-out DACs with/without on-chip

reference. All devices operate from a single 2.7 V to 5.5 V

supply, are guaranteed monotonic by design and have an I²C-

compatible serial interface .

The AD5627R/AD5647R/AD5667R, AD5627/AD5667 use a 2-

wire I²C-compatible serial interface that operates in standard

(100 kHz), fast (400 kHz), and high speed (3.4 MHz) modes.

The AD5627R/AD5647R/AD5667R have an on-chip reference. The

AD56x7RBCPZ have a 1.25 V, 5 ppm/°C reference, giving a full-scale

output range of 2.5 V; the AD56x7RBRUZ have a 2.5 V, 5 ppm/°C

reference giving a full-scale output range of 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. The AD5667

and AD5627 require an external reference voltage to set the

output range of the DAC

Table 1. Related Devices

Part No.

Description

AD5663

2.7 V to 5.5 V, Dual 16-bit DAC,

external reference, SPI interface

AD5623R/AD5643R/AD5663R 2.7 V to 5.5 V, Dual 12-, 14-, 16-

bit DACs, internal reference, SPI

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

DAC output powers up to 0 V and remains there until a valid

write takes place. The part contains a per-channel power-down

feature that reduces the current consumption of the device to

interface

AD5625R/AD5645R/AD5665R 2.7 V to 5.5 V, quad 12-, 14- 16-

AD5625/AD5665

bit DACs, with/without internal

reference, I²C interface

Rev. PrA

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.

Tel: 781.329.4700

Fax: 781.461.3113

www.analog.com

12 3 4 5 6 7...30

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与AD5667R相关器件

型号	品牌	获取价格	描述	数据表
AD5667R_15	ADI	获取价格	Dual, 12-/14-/16-Bit nanoDACs with 5 ppm/C On-Chip Reference, IC Interface
AD5667RBCPZ-250RL7	ADI	获取价格	Dual, 12-/14-/16-Bit nanoDACs with 5ppm/C On-Chip Ref, I2C Interface
AD5667RBCPZ-R2	ADI	获取价格	Dual, 12-/14-/16-Bit nanoDACs® with 5 ppm/°C
AD5667RBCPZ-REEL7	ADI	获取价格	Dual, 12-/14-/16-Bit nanoDACs with 5ppm/C On-Chip Ref, I2C Interface
AD5667RBRMZ-	ADI	获取价格	Dual, 12-/14-/16-Bit nanoDACs® with 5 ppm/°C
AD5667RBRMZ-1	ADI	获取价格	Dual, 12-/14-/16-Bit nanoDACs with 5ppm/C On-Chip Ref, I2C Interface
AD5667RBRMZ-1	ROCHESTER	获取价格	SERIAL INPUT LOADING, 4 us SETTLING TIME, 16-BIT DAC, PDSO10, LEAD FREE, MO-187BA, MSOP-10
AD5667RBRMZ-1REEL7	ADI	获取价格	Dual, 12-/14-/16-Bit nanoDACs with 5ppm/C On-Chip Ref, I2C Interface
AD5667RBRMZ-1REEL7	ROCHESTER	获取价格	SERIAL INPUT LOADING, 4 us SETTLING TIME, 16-BIT DAC, PDSO10, LEAD FREE, MO-187BA, MSOP-10
AD5667-RBRMZ-2	ADI	获取价格	Dual, 12-/14-/16-Bit nanoDACs with 5ppm/C On-Chip Ref, I2C Interface

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