AD5378

更新时间： 2024-11-23 04:30:39

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
28页	800K
描述
32-Channel, 14-Bit, Parallel and Serial Input, Bipolar Voltage Output DAC

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AD5378 数据手册

32-Channel, 14-Bit, Parallel and

Serial Input, Bipolar Voltage Output DAC

Preliminary Technical Data

AD5378

Interface options

Parallel interface

FEATURES

32-channel DAC in 13 mm × 13 mm 108-lead CSPBGA

Guaranteed monotonic to 14 bits

Buffered voltage outputs

Output voltage span of 3.5 V × V_REF(+)

Maximum output voltage span of 17.5 V

DSP/microcontroller-compatible 3-wire serial interface

2.5 V to 5.5 V JEDEC-compliant digital levels

SDO daisy-chaining option

Power-on reset

Digital reset (RESET pin and soft reset function)

System calibration function allowing user-programmable

offset and gain

Pseudo differential outputs relative to REFGND

Clear function to user-defined REFGND (CLR pin)

Simultaneous update of DAC outputs (LDAC pin)

DAC increment/decrement mode

APPLICATIONS

Level setting in automatic test equipment (ATE)

Variable optical attenuators (VOAs)

Optical switches

Industrial control systems

Channel grouping and addressing features

FUNCTIONAL BLOCK DIAGRAM

AGND

DGND

LDAC

1(+)

1(–) REFGND A1

BIAS

REF

VBIAS

AD5378

POWER-ON

RESET

CLR

RESET

DCEN/WR

SYNC/CS

REG0

INPUT

REG

0–1

DAC

REG

0–1

VOUT 0

VOUT 1

DAC 0–1

m REG0–1

c REG0–1

REG1

DB13

SCLK/DB12

DIN/DB11

INPUT

REG

DAC

REG

DAC 2

VOUT 2

VOUT 3

DB0

m REG2

c REG2

VOUT 4

VOUT 5

INPUT

REG

DAC

REG

SER/PAR

DIN

DAC 5

SCLK

SDO

m REG7

c REG7

FIFOEN

REFGND B1

REFGND B2

REFGND C1

REFGND C2

REFGND D1

REFGND D2

INPUT

REG

6–7

DAC

REG

6–7

VOUT 6

DAC 6–7

VOUT 7

VOUT 8

m REG8–9

c REG8–9

×4

VOUT 31

BUSY

2(+)

2(–) REFGND A2

REF

Figure 1.

Protected by U.S. Patent No. 5,969,657 and 6,823,416; other patents pending.

Rev. PrA

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

Fax: 781.326.8703

www.analog.com

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