AD5380

更新时间： 2024-11-25 22:53:27

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
34页	974K
描述
40-Channel, 3V/5V Single Supply, 14-Bit, Voltage-Output DAC

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AD5380 数据手册

PRELIMINARY TECHNICAL DATA

40-Channel,3V/5VSingleSupply,

Preliminary Technical Data

14-Bit,Voltage-OutputDAC

AD5380

FEATURES

GENERAL DESCRIPTION

Guaranteed Monotonic

INL Error: 4LSB max

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

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

20ns, a serial interface compatible with SPI^TM, QSPI^TM

MICROWIRE^TMand DSP interface standards with

interface speeds in excess of 30MHz and an I2C

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

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

Power consumption is typically 0.3mA/channel.

APPLICATIONS

Variable Optical Attenuators (VOA)

Level Setting

Optical Microelectromechanical Systems (MEMs)

Control Systems

FUNCTIONAL BLOCK DIAGRAM

DVDD (X3)

AVDD (X5) AGND (X5)

DAC GND (X5)

DGND (X3)

REFGND

REFOUT/ REFIN SIGNAL GND (X5)

2.5V

Reference

SER/PAR

FIFO EN

AD5380

CS/(SYNC/AD0)

WR/(DCEN/AD1)

SDO(A/B)

INPUT

REG

DAC

REG

DAC 0

VOUT 0

m REG0

c REG0

DB13 /(DIN/SDA)

DB12 /(SCLK/SCL)

FIFO

STATE

MACHINE

CONTROL

LOGIC

DB11 /(SPI/I2C)

DB10

DB0

INTERFACE

CONTROL

LOGIC

INPUT

REG

DAC

REG

DAC 1

VOUT 1

m REG1

VOUT 2

VOUT 3

c REG1

REG0

REG1

VOUT 4

VOUT 5

VOUT 6

POWER-ON

RESET

INPUT

REG

RESET

BUSY

CLR

DAC

REG

DAC 6

m REG6

c REG6

14 ^INPUT

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

DAC

REG

DAC 7

VOUT 7

VOUT 8

m REG7

c REG7

39 -TO-1

MUX

VOUT 38

VOUT 39 / MON_OUT

LDAC

*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.

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.

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

Tel: 781/329-4700

Fax: 781/326-8703

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

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与AD5380相关器件

型号	品牌	获取价格	描述	数据表
AD5380BST	ADI	获取价格	暂无描述
AD5380BST-3	ADI	获取价格	32-Channel, 3 V/5 V, Single-Supply, 14-Bit, Voltage Output DAC
AD5380BST-3-REEL	ADI	获取价格	暂无描述
AD5380BST-5	ADI	获取价格	32-Channel, 3 V/5 V, Single-Supply, 14-Bit, Voltage Output DAC
AD5380BST-5-REEL	ADI	获取价格	IC PARALLEL, WORD INPUT LOADING, 8 us SETTLING TIME, 14-BIT DAC, PQFP100, 14 X 14 MM, MS-0
AD5380BSTZ-3	ADI	获取价格	40-Channel, 3 V/5 V, Single-Supply 12-Bit, denseDAC
AD5380BSTZ-5	ADI	获取价格	40-Channel, 3 V/5 V, Single-Supply 12-Bit, denseDAC
AD5380EB	ADI	获取价格	40-Channel, 3V/5V Single Supply, 14-Bit, Voltage-Output DAC
AD5381	ADI	获取价格	40-Channel, 3 V/5 V, Single-Supply, 12-Bit, Voltage Output DAC
AD5381BST	ADI	获取价格	IC SERIAL, PARALLEL, WORD INPUT LOADING, 6 us SETTLING TIME, 12-BIT DAC, PQFP100, 14 X 14

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