AD5339ARMZ Analog Devices Inc, AD5339ARMZ Datasheet

AD5339ARMZ

Manufacturer Part Number

AD5339ARMZ

Description

Dual 12Bit DAC, 2Wire ITF 2.5v -5.5V I.C

Manufacturer

Analog Devices Inc

Datasheet

1.AD5338ARM-REEL7.pdf (28 pages)

Specifications of AD5339ARMZ

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

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FEATURES

AD5337

AD5338, AD5338-1

AD5339

Low power operation: 250 μA @ 3 V, 300 μA @ 5 V

2-wire (I

2.5 V to 5.5 V power supply

Guaranteed monotonic by design over all codes

Power-down to 80 nA @ 3 V, 200 nA @ 5 V

3 power-down modes

Double-buffered input logic

Output range: 0 V to V

Power-on reset to 0 V

Simultaneous update of outputs (LDAC function)

Software clear facility

Data readback facility

On-chip rail-to-rail output buffer amplifiers

Temperature range: −40°C to +105°C

APPLICATIONS

Portable battery-powered instruments

Digital gain and offset adjustment

Programmable voltage and current sources

Programmable attenuators

Industrial process control

Rev. C

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.

2 buffered 8-bit DACs in 8-lead MSOP

2 buffered 10-bit DACs in 8-lead MSOP

2 buffered 12-bit DACs in 8-lead MSOP

C-compatible) serial interface

REF

SDA

SCL

INTERFACE

LOGIC

POWER-ON

RESET

LDAC

FUNCTIONAL BLOCK DIAGRAM

Dual Voltage Output, 8-/10-/12-Bit DACs

2.5 V to 5.5 V, 250 μA, 2-Wire Interface,

INPUT

AD5337/AD5338/AD5339

Figure 1.

GND

DAC

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 AD5337/AD5338/AD5339 are dual 8-, 10-, and 12-bit

buffered voltage output DACs, respectively. Each part is housed

in an 8-lead MSOP package and operates from a single 2.5 V to

5.5 V supply, consuming 250 μA at 3 V. On-chip output amplifiers

allow rail-to-rail output swing with a slew rate of 0.7 V/μs. A 2-

wire serial interface operates at clock rates up to 400 kHz. This

interface is SMBus compatible at V

can be placed on the same bus.

The references for the two DACs are derived from one reference

pin. The outputs of all DACs can be updated simultaneously

using the software LDAC function. The parts incorporate a

power-on reset circuit to ensure that the DAC outputs power up

to 0 V and remain there until a valid write to the device takes

place. A software clear function resets all input and DAC

registers to 0 V. A power-down feature reduces the current

consumption of the devices to 200 nA @ 5 V (80 nA @ 3 V).

The low power consumption of these parts in normal operation

makes them ideally suited to portable battery-operated equip-

ment. The power consumption is typically 1.5 mW at 5 V and

0.75 mW at 3 V, reducing to 1 μW in power-down mode.

STRING

DAC A

STRING

DAC B

REFIN

AD5337/AD5338/AD5339

BUFFER

POWER-DOWN

LOGIC

OUT

< 3.6 V. Multiple devices

www.analog.com

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