AD5380EB datasheet(1/34 Pages) AD

tên linh kiện	AD5380EB

Giải thích chi tiết về linh kiện	40-Channel, 3V/5V Single Supply, 14-Bit, Voltage-Output DAC

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Preliminary Technical Data

PRELIMINARY TECHNICAL DATA

REV. PrF 09/2003

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

which may result from its use. No license is granted by implication or

otherwise under any patent or patent rights of Analog Devices.

a

AD5380

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

Tel: 781/329-4700

World Wide Web Site: http://www.analog.com

Fax: 781/326-8703

14

DAC

REG

0

VOUT 0

LDAC

CLR

WR/(DCEN/AD1)

FIFO EN

BUSY

INTERFACE

CONTROL

LOGIC

AVDD (X5)

DVDD (X3)

DGND (X3)

+

14

INPUT

REG

0

14

m REG0

c REG0

14

AGND (X5)

+

INPUT

REG

6

14

m REG6

14

X

+

-

c REG6

14

DAC 6

DAC

REG

6

VOUT 5

+

INPUT

REG

7

14

m REG7

c REG7

14

VOUT 1

VOUT 4

14

DAC

REG

7

14

VOUT 7

VOUT 8

VOUT 38

VOUT 2

VOUT 3

AD5380

X5

X

VOUT 6

14

DAC 0

DAC 7

+

INPUT

REG

1

14

m REG1

14

X

c REG1

14

DAC 1

DAC

REG

1

.

+

-

+

-

+

-

.

POWER-ON

RESET

FIFO

+

STATE

MACHINE

+

CONTROL

LOGIC

RESET

DB10

DB0

.

DB13 /(DIN/SDA)

A0

A5

CS/(SYNC/AD0)

REG0

REG1

SER/PAR

2.5V

Reference

REFOUT/ REFIN

DB12 /(SCLK/SCL)

PD

R

SIGNAL GND (X5)

REFGND

DAC GND (X5)

SDO(A/B)

DB11 /(SPI/I2C)

39 -TO-1

MUX

VOUT 0 .......... VOUT 38

VOUT 39 / MON_OUT

40-Channel,3V/5VSingleSupply,

14-Bit,Voltage-OutputDAC

FEATURES

Guaranteed Monotonic

INL Error: ±4LSB max

On-Chip 1.25/2.5V, 10ppm/°C Reference

Temperature Range: -40°C to +85°C

Rail to Rail Output Amplifier

Package Type: 100-lead LQFP (14mm x 14mm)

User Interfaces:

Parallel,

Serial (SPI, QSPI, Microwire and DSP compatible

featuring Data Readback)

I2C Compatible Interface

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 Squarewave Generation

APPLICATIONS

Variable Optical Attenuators (VOA)

Level Setting

Optical Microelectromechanical Systems (MEMs)

Control Systems

GENERAL DESCRIPTION

The AD5380 is a complete single supply, 40-channel, 14-

bit DAC available in 100-lead LQFP package. All

40-channels

have an on-chip output amplifier with rail-to-

rail operation. The AD5380 includes an internal 1.25/

2.5V, 10ppm/°C reference, an on-chip channel monitor

function that multiplexes the analog outputs to a common

MON_OUT pin for external monitoring and an output

amplifier boost mode that allows the amplifier settling

time to be optimized. The AD5380 contains a double

buffered parallel interface featuring a

WR pulse width of

20ns, a

serial interface compatible with SPITM, QSPITM,

MICROWIRE

TM and DSP interface standards with

interface speeds in excess of 30MHz and an I2C

compatible interface supporting 400kHz data transfer rate.

An input register followed by a DAC register provides

double buffering allowing the DAC outputs to be updated

independantly or simultaneously using the

LDAC input.

Each channel has a programmable gain and offset adjust

register allowing the user to fully calibrate any DAC Channel.

Power consumption is typically 0.3mA/channel.

*Protected by U.S. Patent Nos. 5,969,657; other patents pending.

SPI and QSPI are Trademarks of Motorola, Inc.

MICROWIRE is a Trademark of National Semiconductor Corporation.

FUNCTIONAL BLOCK DIAGRAM

Số phần tương tự - AD5380EB

nhà sản xuất	tên linh kiện	bảng dữ liệu	Giải thích chi tiết về linh kiện
Analog Devices	AD5380BST-3	616Kb / 40P	32-Channel, 3 V/5 V, Single-Supply, 14-Bit, Voltage Output DAC 5/04-Revision 0
	AD5380BST-3	766Kb / 28P	32-Channel, 14-Bit, Parallel and Serial Input, Bipolar Voltage Output DAC Jan-2005
	AD5380BST-5	616Kb / 40P	32-Channel, 3 V/5 V, Single-Supply, 14-Bit, Voltage Output DAC 5/04-Revision 0
	AD5380BST-5	766Kb / 28P	32-Channel, 14-Bit, Parallel and Serial Input, Bipolar Voltage Output DAC Jan-2005
	AD5380BSTZ-3	1Mb / 40P	40-Channel, 3 V/5 V, Single-Supply 12-Bit, denseDAC Rev. D

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