Datasheet > DAC8832_14

DAC8832_14

更新时间： 2024-11-26 02:58:19

品牌	Logo	应用领域
德州仪器 - TI		/
页数	文件大小	规格书
26页	732K
描述
16-Bit, Ultra-Low Power, Voltage-Output Digital-to-Analog Converter

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DAC8832_14 数据手册

DAC8832

SBAS380A–FEBRUARY 2006–REVISED APRIL 2006

16-Bit, Ultra-Low Power, Voltage-Output

Digital-to-Analog Converter

FEATURES

DESCRIPTION

•

16-Bit Resolution

The DAC8832 is

a single, 16-bit, serial-input,

voltage-output digital-to-analog converter (DAC)

operating from a single 3 V to 5 V power supply. The

DAC8832 provides excellent linearity (1 LSB INL),

low glitch, low noise, and fast settling (1.0 µS to 1/2

LSB of full-scale output) over the specified

temperature range of –40°C to +85°C. The output is

unbuffered, which reduces the power consumption

and the error introduced by the buffer.

2.7 V to 5.5 V Single-Supply Operation

Very Low Power: 15 µW for 3 V Power

High Accuracy, INL: 1 LSB

Low Glitch: 10 nV-s

Low Noise: 18n V/√Hz

Fast Settling: 1.0 µS

Fast SPI™ Interface, up to 50 MHz

Reset to Mid-Code

This device features a standard high-speed (clock up

to 50MHz), 3 V or 5 V SPI serial interface to

communicate with the DSP or microprocessors.

Schmitt-Trigger Inputs for Direct Optocoupler

Interface

The DAC8832 provides unipolar or bipolar output

(±V_REF) when working with an external buffer, and is

reset to mid-code after power-up. For optimum

performance, a set of Kelvin connections to the

external reference and the analog ground input are

provided.

APPLICATIONS

•

Portable Equipment

Automatic Test Equipment

Industrial Process Control

Data Acquisition Systems

Optical Networking

The DAC8832 is available in a QFN-14 package,

and is pin-to-pin compatible with the DAC8831IRGY,

which is reset to zero-code after power-up.

Functional Block Diagram

V_DD

−

V_REF

−

V_REF

R_INV

R_FB

RFB

LDAC

INV

−

V_O

V_OUT

Serial

Interface

DAC

OPA277

OPA704

OPA727

SCLK

SDI

and

Control

Logic

−

AGNDF

AGNDS

Input

DAC Latch

DAC8832

DGND

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, QSPI are trademarks of Motorola, Inc.

Microwire is a trademark of National Semiconductor Corp.

All other trademarks are the property of their respective owners.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.

12 3 4 5 6 7...26

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