DAC8814IBDB

更新时间： 2024-11-04 21:55:31

品牌	Logo	应用领域
德州仪器 - TI		转换器
页数	文件大小	规格书
31页	257K
描述
Quad, Serial Input 16-Bit Multiplying Digital-to-Analog Converter

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DAC8814IBDB 数据手册

DAC8814

www.ti.com

SBAS338–JANUARY 2005

Quad, Serial Input 16-Bit Multiplying Digital-to-Analog Converter

FEATURES

DESCRIPTION

•

Relative Accuracy: 1 LSB Max

Differential Nonlinearity: 1 LSB Max

2-mA Full-Scale Current ±20%,

with V_REF= ±10 V

0.5 µs Settling Time

Midscale or Zero-Scale Reset

Four Separate 4Q Multiplying Reference

Inputs

The DAC8814 is a quad, 16-bit, current-output digi-

tal-to-analog converter (DAC) designed to operate

from a single +2.7 V to 5.0 V supply.

The applied external reference input voltage V_REF

determines the full-scale output current. An internal

feedback resistor (R_FB) provides temperature tracking

for the full-scale output when combined with an

external I-to-V precision amplifier.

•

doubled buffered serial data interface offers

•

Reference Bandwidth: 10 MHz

high-speed, 3-wire, SPI and microcontroller compat-

ible inputs using serial data in (SDI), clock (CLK), and

a chip-select (CS). In addition, a serial data out pin

(SDO) allows for daisy-chaining when multiple pack-

ages are used. A common level-sensitive load DAC

strobe (LDAC) input allows simultaneous update of all

DAC outputs from previously loaded input registers.

Additionally, an internal power on reset forces the

output voltage to zero at system turn on. An MSB pin

allows system reset assertion (RS) to force all regis-

ters to zero code when MSB = 0, or to half-scale

code when MSB = 1.

Reference Dynamics: -105 dB THD

SPI™-Compatible 3-Wire Interface:

50 MHz

Double Buffered Registers Enable

Simultaneous Multichannel Change

Internal Power On Reset

•

Industry-standard Pin Configuration

APPLICATIONS

•

Automatic Test Equipment

Instrumentation

The DAC8814 is available in an SSOP package.

Digitally Controlled Calibration

B C D

REF

R A

SDO

D10

D11

D12

D13

D14

D15

Input

DAC A

DAC B

DAC C

DAC D

OUT

GND

Input

DAC B

OUT

GND

Input

DAC C

OUT

SDI

GND

CLK

Input

DAC D

OUT

DAC

GND

2:4

Power-on

Reset

GND

Decode

DGND

MSB

LDAC

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas

Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

SPI is a trademark of Motorola, Inc.

PRODUCT PREVIEW information concerns products in the forma-

tive or design phase of development. Characteristic data and other

specifications are design goals. Texas Instruments reserves the

right to change or discontinue these products without notice.

12 3 4 5 6 7...31

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与DAC8814IBDB相关器件

型号	品牌	获取价格	描述	数据表
DAC8814IBDBR	TI	获取价格	Quad, Serial Input 16-Bit Multiplying Digital-to-Analog Converter
DAC8814IBDBT	TI	获取价格	Quad, Serial Input 16-Bit Multiplying Digital-to-Analog Converter
DAC8814ICDB	TI	获取价格	Quad, Serial Input 16-Bit Multiplying Digital-to-Analog Converter
DAC8814ICDBR	TI	获取价格	Quad, Serial Input 16-Bit Multiplying Digital-to-Analog Converter
DAC8814ICDBRG4	TI	获取价格	SERIAL INPUT LOADING, 0.5us SETTLING TIME, 16-BIT DAC, PDSO28, GREEN, PLASTIC, SSOP-28
DAC8814ICDBT	TI	获取价格	Quad, Serial Input 16-Bit Multiplying Digital-to-Analog Converter
DAC8814ICDBTG4	TI	获取价格	SERIAL INPUT LOADING, 0.5us SETTLING TIME, 16-BIT DAC, PDSO28, GREEN, PLASTIC, SSOP-28
DAC-88-2	DATEL	获取价格	Digital-to-Analog Converters
DAC-88-2/883	DATEL	获取价格	High-Performance, 12-Bit DACs with Input Registers
DAC8820	TI	获取价格	16-Bit, Parallel Input Multiplying Digital-to-Analog Converter

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