Datasheet > AD7945ARSZ-B

AD7945ARSZ-B

更新时间： 2024-11-30 18:25:23

品牌	Logo	应用领域
亚德诺 - ADI		光电二极管转换器
页数	文件大小	规格书
16页	376K
描述
+3.3 V/+5 V Multiplying 12-Bit DAC With a Parallel Interface

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中文翻译

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数据手册
替代型号

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AD7945ARSZ-B 数据手册

+3.3 V/+5 V Multiplying

12-Bit DACs

AD7943/AD7945/AD7948

FUNCTIONAL BLOCK DIAGRAMS

FEATURES

12-Bit Multiplying DACs

Guaranteed Specifications with +3.3 V/+5 V Supply

0.5 LSBs INL and DNL

Low Power: 5 ␮W typ

AD7943

OUT1

12-BIT DAC

REF

OUT2

Fast Interface

CLR

LD1

LD2

AGND

SRO

40 ns Strobe Pulsewidth (AD7943)

40 ns Write Pulsewidth (AD7945, AD7948)

Low Glitch: 60 nV-s with Amplifier Connected

Fast Settling: 600 ns to 0.01% with AD843

DAC REGISTER

INPUT SHIFT REGISTER

SRI

APPLICATIONS

Battery-Powered Instrumentation

Laptop Computers

Upgrades for All 754x Series DACs (5 V Designs)

STB1 STB2

STB4 DGND

STB3

GENERAL DESCRIPTION

AD7945

OUT1

The AD7943, AD7945 and AD7948 are fast 12-bit multiplying

DACs that operate from a single +5 V supply (Normal Mode)

and a single +3.3 V to +5 V supply (Biased Mode). The

AD7943 has a serial interface, the AD7945 has a 12-bit parallel

interface, and the AD7948 has an 8-bit byte interface. They will

replace the industry-standard AD7543, AD7545 and AD7548

in many applications, and they offer superior speed and power

consumption performance.

12-BIT DAC

REF

AGND

INPUT LATCH

DB11–DB0

DGND

The AD7943 is available in 16-lead DIP, 16-lead SOP (Small

Outline Package) and 20-lead SSOP (Shrink Small Outline

Package).

OUT1

12-BIT DAC

REF

AGND

AD7948

The AD7945 is available in 20-lead DIP, 20-lead SOP and 20-

lead SSOP.

DF/DOR

DATA OVERRIDE LOGIC

CTRL

The AD7948 is available in 20-lead DIP, 20-lead SOP and 20-

lead SSOP.

DAC REGISTER

LDAC

CONTROL

LOGIC

INPUT REGISTERS

CSLSB

CSMSB

DATA STEERING LOGIC

DB7–DB0

DGND

REV. B

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

12 3 4 5 6 7...16

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AD7945ARSZ-B 替代型号

型号	品牌	替代类型	描述	数据表
AD7945ARS-B	ADI	完全替代	+3.3 V/+5 V Multiplying 12-Bit DACs
AD7945BRSZ	ADI	类似代替	3.3 V/5 V Multiplying 12-Bit DACs

与AD7945ARSZ-B相关器件

型号	品牌	获取价格	描述	数据表
AD7945ARSZ-BREEL	ADI	获取价格	+3.3 V/+5 V Multiplying 12-Bit DAC With a Parallel Interface
AD7945BN	ADI	获取价格	+3.3 V/+5 V Multiplying 12-Bit DACs
AD7945BNZ	ADI	获取价格	3.3 V/5 V Multiplying 12-Bit DACs
AD7945BNZ	ROCHESTER	获取价格	PARALLEL, WORD INPUT LOADING, 0.6 us SETTLING TIME, 12-BIT DAC, PDIP20, PLASTIC, DIP-20
AD7945BR	ADI	获取价格	+3.3 V/+5 V Multiplying 12-Bit DACs
AD7945BR-REEL	ROCHESTER	获取价格	PARALLEL, WORD INPUT LOADING, 0.6 us SETTLING TIME, 12-BIT DAC, PDSO20, SOP-20
AD7945BRS	ADI	获取价格	+3.3 V/+5 V Multiplying 12-Bit DACs
AD7945BRS-REEL	ROCHESTER	获取价格	PARALLEL, WORD INPUT LOADING, 0.6 us SETTLING TIME, 12-BIT DAC, PDSO20, SSOP-20
AD7945BRSZ	ADI	获取价格	3.3 V/5 V Multiplying 12-Bit DACs
AD7945BRSZ	ROCHESTER	获取价格	PARALLEL, WORD INPUT LOADING, 0.6 us SETTLING TIME, 12-BIT DAC, PDSO20, SSOP-20

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