Datasheet > AD5665BCPZ-REEL7

AD5665BCPZ-REEL7

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
32页	819K
描述
Quad, 12-/14-/16-Bit nanoDACs with 5ppm/∑C On-chip Ref, I2C Interface

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替代型号

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AD5665BCPZ-REEL7 数据手册

Quad, 12-/14-/16-Bit nanoDACs^®with

5ppm/°C On-chip Ref, I²C Interface

AD5625R/AD5645R/AD5665R

AD5625/AD5665

Preliminary Technical Data

REFIN REFOUT

GND

FEATURES

AD5625R/AD5645R/AD5665R

1.25V/2.5V REF

Low power, smallest pin-compatible, quad nanoDACs

AD5625R/AD5645R/AD5665R

12-/14-/16 bits

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

AD5625/AD5665

INPUT

DAC

STRING

DAC A

BUFFER

OUTA

ADDR1

INPUT

DAC

STRING

DAC B

ADDR2

SCL

OUTB

OUTC

OUTD

INTERFACE

LOGIC

INPUT

DAC

STRING

DAC C

12-/16 bits

External reference only

SDA

DAC

INPUT

STRING

DAC D

3 mm x 3 mm LFCSP and 14-lead TSSOP

2.7 V to 5.5 V power supply

Guaranteed monotonic by design

Power-on reset to zero scale/midscale

Per channel power-down

POWER-ON

RESET

POWER-DOWN

LOGIC

LDAC CLR

NOTE. THE FOLLOWING PINS ARE AVAILABLE ONLY ON 14-PIN PACKAGE - ADDR2, LDAC, CLR, POR.

POR

GND

REFIN

AD5625/AD5665

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

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

INPUT

DAC

STRING

DAC A

BUFFER

OUTA

ADDR1

STRING

DAC B

INPUT

DAC

ADDR2

SCL

OUTB

OUTC

OUTD

APPLICATIONS

Process control

Data acquisition systems

Portable battery-powered instruments

Digital gain and offset adjustment

Programmable voltage and current sources

Programmable attenuators

INTERFACE

LOGIC

INPUT

DAC

STRING

DAC C

SDA

DAC

INPUT

STRING

DAC D

POWER-ON

RESET

POWER-DOWN

LOGIC

LDAC CLR

POR

NOTE. THE FOLLOWING PINS ARE AVAILABLE ONLY ON 14-PIN PACKAGE - ADDR2, LDAC, CLR, POR.

Figure 1. Functional Block Diagrams

GENERAL DESCRIPTION

until a valid write takes place. The part contains a per-channel

power-down feature that reduces the current consumption of

the device to 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 AD5625R/AD5645R/AD5665R, AD5625/AD5665

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

16-bit buffered voltage-out DACs with/without an 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 AD5625R/AD5645R/AD5665R have an on-chip reference. The

AD56x5RBCPZ have a 1.25 V, 5 ppm/°C reference, giving a full-scale

output range of 2.5 V; the AD56x5RBRUZ 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 AD5665

and AD5625 require an external reference voltage to set the

output range of the DAC.

The AD5625R/AD5645R/AD5665R, AD5625/AD5665 use a 2-

wire I²C-compatible serial interface that operates in standard

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

Table 1. Related Devices

Part No.

AD5624R/AD5644R/AD5664R Quad SPI 12-, 14-, 16-bit DACs,

AD5624/AD5664 with/without internal reference.

AD5627R/AD5647R/AD5667R Dual I²C 12-, 14-,16-bit DACs,

Description

AD5627/5667,

AD5666

with/without internal reference.

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

internal reference, SPI interface

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

DAC output powers up to 0 V or midscale and remains there

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

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AD5665BCPZ-REEL7 替代型号

型号	品牌	替代类型	描述	数据表
AD5665BCPZ-R2	ADI	完全替代	Quad, 12-/14-/16-Bit nanoDACs with 5 ppm/Â°C
AD5665RBCPZ-REEL7	ADI	类似代替	Quad, 12-/14-/16-Bit nanoDACs with 5ppm/∑C On
AD5665BRUZ	ADI	类似代替	Quad, 12-/14-/16-Bit nanoDACs with 5ppm/∑C On

与AD5665BCPZ-REEL7相关器件

型号	品牌	获取价格	描述	数据表
AD5665BRUZ	ADI	获取价格	Quad, 12-/14-/16-Bit nanoDACs with 5ppm/∑C On
AD5665BRUZ-REEL7	ADI	获取价格	Quad, 12-/14-/16-Bit nanoDACs with 5ppm/∑C On
AD5665R	ADI	获取价格	Quad, 12-/14-/16-Bit nanoDACs with 5ppm/∑C On
AD5665R_15	ADI	获取价格	Quad, 12-/14-/16-Bit nanoDACs with 5 ppm/C On-Chip Reference, IC Interface
AD5665RBCBZ-1-RL7	ADI	获取价格	Quad, 12-/14-/16-Bit nanoDACs with 5 ppm/Â°C
AD5665RBCPZ-250RL7	ADI	获取价格	Quad, 12-/14-/16-Bit nanoDACs with 5ppm/∑C On
AD5665RBCPZ-R2	ADI	获取价格	Quad, 12-/14-/16-Bit nanoDACs with 5 ppm/Â°C
AD5665RBCPZ-REEL7	ADI	获取价格	Quad, 12-/14-/16-Bit nanoDACs with 5ppm/∑C On
AD5665RBRUZ-1	ADI	获取价格	Quad, 12-/14-/16-Bit nanoDACs with 5ppm/∑C On
AD5665RBRUZ-1REEL7	ADI	获取价格	Quad, 12-/14-/16-Bit nanoDACs with 5ppm/∑C On

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