Datasheet > DAC8420_16

DAC8420_16

更新时间： 2024-09-14 01:22:19

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
23页	511K
描述
Quad 12-Bit Serial Voltage Output DAC

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DAC8420_16 数据手册

Quad 12-Bit Serial Voltage Output DAC

Data Sheet

DAC8420

FEATURES

FUNCTIONAL BLOCK DIAGRAM

VREFHI

VDD

Guaranteed monotonic over temperature

Excellent matching between DACs

Unipolar or bipolar operation

Buffered voltage outputs

High speed serial digital interface

Reset-to-zero scale or midscale

Wide supply range, +5 V only to 15 V

Low power consumption (35 mW maximum)

Available in 16-Lead PDIP, SOIC, and CERDIP packages

DAC8420

SDI

REG

DAC A

VOUTA

VOUTB

VOUTC

VOUTD

REG

CLK

DAC B

DAC C

DAC D

SHIFT

REG

APPLICATIONS

Software controlled calibration

Servo controls

Process control and automation

ATE

DECODE

REG

CLSEL CLR

GND

VREFLO

VSS

Figure 1.

GENERAL DESCRIPTION

The DAC8420 is a quad, 12-bit voltage-output DAC with serial

digital interface in a 16-lead package. Utilizing BiCMOS tech-

nology, this monolithic device features unusually high circuit

density and low power consumption. The simple, easy-to-use

serial digital input and fully buffered analog voltage outputs

require no external components to achieve a specified per-

formance.

CLR

forces all four DAC

The user-programmable reset control

outputs to either zero scale or midscale, asynchronously overriding

the current DAC register values. The output voltage range,

determined by the inputs VREFHI and VREFLO, is set by the

user for positive or negative unipolar or bipolar signal swings

within the supplies, allowing considerable design flexibility.

The DAC8420 is available in 16-lead PDIP, SOIC, and CERDIP

packages. Operation is specified with supplies ranging from +5 V

only to 15 V, with references of +2.5 V to 10 V, respectively.

Power dissipation when operating from 15 V supplies is less than

255 mW (maximum) and only 35 mW (maximum) with a +5 V

supply.

The 3-wire serial digital input is easily interfaced to micro-

processors running at 10 MHz with minimal additional

circuitry. Each DAC is addressed individually by a 16-bit serial

word consisting of a 12-bit data word and an address header.

Rev. C

Document Feedback

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 registeredtrademarks arethe property of their respective owners.

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

Technical Support

www.analog.com

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与DAC8420_16相关器件

型号	品牌	获取价格	描述	数据表
DAC8420EP	ADI	获取价格	Quad 12-Bit Serial Voltage Output DAC
DAC8420EP	ROCHESTER	获取价格	QUAD, SERIAL INPUT LOADING, 8us SETTLING TIME, 12-BIT DAC, PDIP16, PLASTIC, MS-001AB, DIP-
DAC8420EPZ	ROCHESTER	获取价格	QUAD, SERIAL INPUT LOADING, 8 us SETTLING TIME, 12-BIT DAC, PDIP16, ROHS COMPLIANT, PLASTI
DAC8420EPZ	ADI	获取价格	Quad 12-Bit Serial Voltage Output DAC
DAC8420EPZ2	ADI	获取价格	Quad 12-Bit Serial Voltage Output DAC
DAC8420EQ	ADI	获取价格	Quad 12-Bit Serial Voltage Output DAC
DAC8420ES	ADI	获取价格	Quad 12-Bit Serial Voltage Output DAC
DAC8420ES-REEL	ADI	获取价格	Quad 12-Bit Serial Voltage Output DAC
DAC8420ES-REEL	ROCHESTER	获取价格	QUAD, SERIAL INPUT LOADING, 8 us SETTLING TIME, 12-BIT DAC, PDSO16, MS-013AA, SOIC-16
DAC8420ES-REEL7	ADI	获取价格	QUAD, SERIAL INPUT LOADING, 8us SETTLING TIME, 12-BIT DAC, PDSO16

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