AD5620CRMZ-3 Analog Devices Inc, AD5620CRMZ-3 Datasheet

AD5620CRMZ-3

Manufacturer Part Number

AD5620CRMZ-3

Description

Single 5V 12bit SPI DAC With Reference

Manufacturer

Analog Devices Inc

Datasheet

1.AD5620CRMZ-3.pdf (28 pages)

Specifications of AD5620CRMZ-3

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

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FEATURES

Low power, single nanoDACs

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

Serial interface with Schmitt-triggered inputs

Rail-to-rail operation

SYNC interrupt facility

APPLICATIONS

Process control

Data acquisition systems

Portable battery-powered instruments

Digital gain and offset adjustment

Programmable voltage and current sources

Programmable attenuators

PRODUCT HIGHLIGHTS

Table 1. Related Device

Part No.

AD5662

Rev. F

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.

AD5660: 16 bits

AD5640: 14 bits

AD5620: 12 bits

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

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

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

Power-on reset to 0 V or midscale.

10 μs settling time.

Description

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

reference

5 ppm/°C On-Chip Reference in SOT-23

Single, 12-/14-/16-Bit nanoDAC with

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

Tel: 781.329.4700

Fax: 781.461.3113

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

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.

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.

SYNC

CONTROL

POWER-ON

LOGIC

INPUT

RESET

SCLK

DAC

AD5620/AD5640/AD5660

FUNCTIONAL BLOCK DIAGRAM

DIN

REFOUT

REF(+)

16-BIT

DAC

1.25/2.5V

pin.

CONTROL LOGIC

POWER-DOWN

REF

GND

Figure 1.

AD5620/AD5640/AD5660

OUTPUT

BUFFER

www.analog.com

RESISTOR

NETWORK

OUT

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