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32-Channel, 3 V/5 V, Single-Supply,

14-Bit, Voltage Output DAC

AD5382

FEATURES

Guaranteed monotonic

INL error: 鹵4 LSB max

On-chip 1.25 V/2.5 V, 10 ppm/擄C reference

Temperature range: 鈥?0擄C to +85擄C

Rail-to-rail output amplifier

Power-down mode

Package type: 100-lead LQFP (14 mm 脳 14 mm)

User Interfaces:

Parallel

Serial (SPI廬/QSPI鈩?MICROWIRE鈩?DSP compatible,

featuring data readback)

2

I C廬 compatible

INTEGRATED FUNCTIONS

Channel monitor

Simultaneous output update via LDAC

Clear function to user programmable code

Amplifier boost mode to optimize slew rate

User programmable offset and gain adjust

Toggle mode enables square wave generation

Thermal monitor

APPLICATIONS

Variable optical attenuators (VOA)

Level setting (ATE)

Optical micro-electro-mechanical systems (MEMS)

Control systems

Instrumentation

AGND (脳4)

DAC GND (脳4)

REFGND

REFOUT/REFIN

SIGNAL GND (脳4)

FUNCTIONAL BLOCK DIAGRAM

DVDD (脳3)

PD

SER/PAR

FIFO EN

CS/(SYNC/AD0)

WR/(DCEN/AD1)

SDO

DB13/(DIN/SDA)

DB12/(SCLK/SCL)

DB11/(SPI/I2C)

DB10

14

INPUT 14

REG 0

14

FIFO

+

STATE

MACHINE

+

CONTROL

LOGIC

14

m REG 0

c REG 0

R

14

INPUT 14

REG 1

14

14

m REG 1

c REG 1

R

VOUT4

14

POWER-ON

RESET

INPUT 14

REG 6

14

14

m REG 6

c REG 6

R

14

INPUT 14

REG 7

14

36-TO-1

MUX

14

m REG 7

c REG 7

R

03733-0-001

DGND (脳3)

AVDD (脳4)

AD5382

1.25V/2.5V

REFERENCE

14

DAC 14

REG 0

DAC 0

VOUT0

R

DB0

A4

A0

REG 0

REG 1

RESET

BUSY

CLR

INTERFACE

CONTROL

LOGIC

14

DAC 14

REG 1

DAC 1

VOUT1

VOUT2

R

VOUT3

14

DAC 14

REG 6

DAC 6

VOUT5

VOUT6

R

V

OUT

0鈥︹€︹€

OUT

31

14

DAC 14

REG 7

DAC 7

VOUT7

VOUT8

R

VOUT31

MON_IN1

MON_IN2

MON_IN3

MON_IN4

脳4

MON_OUT

LDAC

Figure 1.

Rev. 0

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.

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

Tel: 781.329.4700

www.analog.com

Fax: 781.326.8703

漏 2004 Analog Devices, Inc. All rights reserved.

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