Datasheet > AD5640

AD5640

更新时间： 2024-11-12 21:54:19

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
24页	554K
描述
Single, 12-/14-/16-Bit nanoDAC with 5 ppm/C On-Chip Reference in SOT-23

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AD5640 数据手册

Single, 12-/14-/16-Bit nanoDAC™ with

5 ppm/°C On-Chip Reference in SOT-23

AD5620/AD5640/AD5660

FUNCTIONAL BLOCK DIAGRAM

FEATURES

Low power, single nanoDACs

AD5660: 16 bits

AD5640: 14 bits

REFOUT

GND

1.25/2.5V

REF

AD5620/AD5640/AD5660

POWER-ON

RESET

AD5620: 12 bits

12-bit accuracy guaranteed

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

Tiny 8-lead SOT-23/MSOP packages

Power-down to 480 nA @ 5 V, 200 nA @ 3 V

3 V/5 V single power supply

Guaranteed 16-bit monotonic by design

Power-on reset to zero/midscale

3 power-down functions

REF(+)

OUTPUT

BUFFER

DAC

OUT

16-BIT

DAC

INPUT

CONTROL

LOGIC

POWER-DOWN

CONTROL LOGIC

RESISTOR

NETWORK

Serial interface with Schmitt-triggered inputs

Rail-to-rail operation

SYNC interrupt facility

SYNC SCLK DIN

Figure 1.

APPLICATIONS

Process control

Data acquisition systems

Portable battery-powered instruments

Digital gain and offset adjustment

Programmable voltage and current sources

Programmable attenuators

GENERAL DESCRIPTION

The AD5620/AD5640/AD5660, members of the nanoDAC

family of devices, are low power, single, 12-/14-/16-bit, buffered

voltage-out DACs and are guaranteed monotonic by design.

The AD5620/AD5640/AD5660-1 parts include an internal,

1.25 V, 5 ppm/°C reference, giving a full-scale output voltage

range of 2.5 V. The AD5620/AD5640/AD5660-2-3 parts include

an internal, 2.5 V, 5 ppm/°C reference, giving a full-scale output

voltage range of 5 V. The reference associated with each part is

available at the V_REFOUTpin.

PRODUCT HIGHLIGHTS

1. 12-/14-/16-bit nanoDAC—12-bit accuracy guaranteed.

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

3. Available in 8-lead SOT-23 and 8-lead MSOP packages.

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

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

DAC output powers up to 0 V (AD5620/AD5640/AD5660-1-2)

or midscale (AD5620-3 and AD5660-3) and remains there until

a valid write takes place. The parts contain a 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 power consumption is

2.5 mW at 5 V, reducing to 1 μW in power-down mode.

5. 10 μs settling time.

RELATED DEVICE

Part No.

Description

AD5662

2.7 V to 5.5 V, 16-bit DAC in SOT-23, external

reference

The AD5620/AD5640/AD5660 on-chip precision output

amplifier allows rail-to-rail output swing to be achieved. For

remote sensing applications, the output amplifier’s inverting

input is available to the user. The AD5620/AD5640/AD5660 use

a versatile 3-wire serial interface that operates at clock rates up

to 30 MHz and is compatible with standard SPI®, QSPI™,

MICROWIRE™, and DSP interface standards.

Rev. A

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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与AD5640相关器件

型号	品牌	获取价格	描述	数据表
AD5640ARJ-1	ADI	获取价格	IC SERIAL INPUT LOADING, 8 us SETTLING TIME, 14-BIT DAC, PDSO8, MO-178-BA, SOT-23, 8 PIN,
AD5640ARJ-2	ADI	获取价格	IC SERIAL INPUT LOADING, 8 us SETTLING TIME, 14-BIT DAC, PDSO8, MO-178-BA, SOT-23, 8 PIN,
AD5640ARJ-2500RL7	ADI	获取价格	Single, 12-/14-/16-Bit nanoDAC with 5 ppm/Â°C
AD5640ARJ-2REEL7	ADI	获取价格	Single, 12-/14-/16-Bit nanoDAC with 5 ppm/Â°C
AD5640ARJZ-2500RL7	ADI	获取价格	Single, 12-/14-/16-Bit nanoDAC with 5 ppm/Â°C
AD5640ARJZ-2REEL7	ADI	获取价格	Single, 12-/14-/16-Bit nanoDAC with 5 ppm/Â°C
AD5640BRJ-1	ADI	获取价格	IC SERIAL INPUT LOADING, 8 us SETTLING TIME, 14-BIT DAC, PDSO8, MO-178-BA, SOT-23, 8 PIN,
AD5640BRJ-1500RL7	ADI	获取价格	Single, 12-/14-/16-Bit nanoDAC with 5 ppm/Â°C
AD5640BRJ-1REEL7	ADI	获取价格	Single, 12-/14-/16-Bit nanoDAC with 5 ppm/Â°C
AD5640BRJ-2	ADI	获取价格	IC SERIAL INPUT LOADING, 8 us SETTLING TIME, 14-BIT DAC, PDSO8, MO-178-BA, SOT-23, 8 PIN,

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