DAC161S055

更新时间： 2024-11-05 12:55:15

品牌	Logo	应用领域
德州仪器 - TI		/
页数	文件大小	规格书
23页	486K
描述
Precision 16-Bit, Buffered Voltage-Output DAC

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DAC161S055 数据手册

January 27, 2012

DAC161S055

Precision 16-Bit, Buffered Voltage-Output DAC

General Description

Key Specifications

The DAC161S055 is a precision 16-bit, buffered voltage out-

put Digital-to-Analog Converter (DAC) that operates from a

2.7V to 5.25V supply with a separate I/O supply pin that op-

erates down to 1.7V. The on-chip precision output buffer

provides rail-to-rail output swing and has a typical settling time

of 5 µsec. The external voltage reference can be set between

2.5V and V_A(the analog supply voltage), providing the widest

dynamic output range possible.

Resolution (guaranteed monotonic)

16 bits

±3 LSB (max)

120 nV/√Hz (typ)

7 nV-s (typ)

■

INL

Very low output noise

Glitch impulse

Output settling time

Power consumption

■

5 µs (typ)

5.5 mW @ 5.25V (max)

Features

The 4-wire SPI compatible interface operates at clock rates

up to 20 MHz. The part is capable of Diasy Chain and Data

Read Back. An on board power-on-reset (POR) circuit en-

sures the output powers up to a known state.

16-bit DAC with a two-buffer SPI interface

Asynchronous load DAC and reset pins

Compatibility with 1.8V controllers

■

The DAC161S055 features a power-up value pin (MZB), a

load DAC pin (LDACB) and a DAC clear (CLRB) pin. MZB

sets the startup output voltage to either GND or mid-scale.

LDACB updates the output, allowing multiple DACs to update

their outputs simultaneously. CLRB can be used to reset the

output signal to the value determined by MZB.

Buffered voltage output with rail-to-rail capability

Wide voltage reference range of +2.5V to V_A

Wide temperature range of −40°C to +105°C

Packaged in a 16-pin LLP

The DAC161S055 has a power-down option that reduces

power consumption when the part is not in use. It is available

in a 16-lead LLP package.

Applications

Process control

■

Automatic test equipment

Programmable voltage sources

Communication systems

Data acquisition

Industrial PLCs

Portable battery powered instruments

■

Block Diagram

30128803

SPI™ is a trademark of Motorola, Inc.

301288 SNAS503B

www.ti.com

12 3 4 5 6 7...23

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与DAC161S055相关器件

型号	品牌	获取价格	描述	数据表
DAC161S055_13	TI	获取价格	DAC161S055 Precision 16-Bit, Buffered Voltage-Output DAC
DAC161S055CIMM	NSC	获取价格	IC 16-BIT DAC, QCC16, LLP-16, Digital to Analog Converter
DAC161S055CIMMX	NSC	获取价格	IC 16-BIT DAC, QCC16, LLP-16, Digital to Analog Converter
DAC161S055CISQ	TI	获取价格	Precision 16-Bit, Buffered Voltage-Output DAC
DAC161S055CISQ/NOPB	TI	获取价格	DAC161S055 Precision 16-Bit, Buffered Voltage-Output DAC
DAC161S055CISQE	TI	获取价格	Precision 16-Bit, Buffered Voltage-Output DAC
DAC161S055CISQE/NOPB	TI	获取价格	DAC161S055 Precision 16-Bit, Buffered Voltage-Output DAC
DAC161S055CISQX	TI	获取价格	Precision 16-Bit, Buffered Voltage-Output DAC
DAC161S055CISQX/NOPB	TI	获取价格	DAC161S055 Precision 16-Bit, Buffered Voltage-Output DAC
DAC161S997	TI	获取价格	16-bit SPI Programmable DAC for 4-20mA Loops

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