Datasheet > DAC81404

DAC81404

更新时间： 2024-11-29 02:52:31

品牌	Logo	应用领域
德州仪器 - TI		/
页数	文件大小	规格书
53页	5757K
描述
DACx1404 Quad, 16-Bit and 12-Bit, High-Voltage-Output DACs With Internal Reference

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DAC81404 数据手册

DAC81404, DAC61404

SLASEH2A – NOVEMBER 2020 – REVISED MAY 2021

DACx1404 Quad, 16-Bit and 12-Bit, High-Voltage-Output DACs

With Internal Reference

1 Features

3 Description

•

Performance:

The 16-bit DAC81404 and 12-bit DAC61404

(DACx1404) are pin-compatible, quad-channel,

buffered, high-voltage-output, digital-to-analog

converters (DACs). These devices include a low-drift,

2.5-V internal reference that eliminates the need for

an external precision reference in most applications.

The devices are specified monotonic and provide

high linearity of ±1 LSB INL. Additionally, the devices

implement per channel sense pins to eliminate IR

drops and sense up to ±12 V of ground bounce.

– Specified monotonic at 16-bit resolution

– INL: ±1 LSB maximum at 16-bit resolution

– TUE: ±0.05% FSR, maximum

Integrated output buffer

– Full-scale output voltage: ±5 V, ±10 V, ±20 V,

5 V, 10 V, 20 V, 40 V

– High drive capability: ±15 mA

– Per channel sense pins

Integrated 2.5-V precision reference

– Initial accuracy: ±2.5 mV, maximum

– Low drift: 10 ppm/°C, maximum

Reliability features:

– CRC error check

– Short circuit limit

– Fault pin

50-MHz, SPI-compatible serial interface

– 4-wire mode, 1.7-V to 5.5-V operation

– Readback and daisy-chain operations

Temperature range: –40°C to +125°C

Package: 5-mm × 5-mm, 32-pin QFN

•

A user-selectable output configuration enables full-

scale bipolar output voltages of ±20 V, ±10 V, and

±5 V; and full-scale unipolar output voltages of 40 V,

20 V, 10 V and 5 V. The full-scale output range for

each DAC channel is independently programmable.

The integrated DAC output buffers can sink or source

up to 15 mA, thus limiting the need for additional

operational amplifiers.

•

The DACx1404 incorporate a power-on-reset circuit

that connects the DAC outputs to ground at power

up. The outputs remain in this mode until the device

is properly configured for operation. These devices

include additional reliability features, such as a CRC

error check, short-circuit protection, and a thermal

alarm.

•

2 Applications

•

Semiconductor test

Lab and field Instrumentation

Analog output module

Data acquisition (DAQ)

LCD test

Communication to the devices is performed through

a 4-wire serial interface that supports operation from

1.7 V to 5.5 V.

Servo drive control module

IOVDD DVDD

FAULT

REFIO

AVDD

Device Information

PART NUMBER

DAC81404

PACKAGE⁽¹⁾

BODY SIZE (NOM)

Internal Reference

Power On

Reset

REF

BUF

VQFN (32)

5.00 mm × 5.00 mm

SCLK

SDIN

SYNC

SDO

DAC61404

REF

DAC

Ladder

Buffer

Active

CCOMP[A:D]

OUT[A:D]

(1) For all available packages, see the package option

addendum at the end of the data sheet.

LDAC

–

RST

CLR

40 k

AVDD

SENSEP[A:D]

SENSEN[A:D]

40 k

Channel

40 k

–

40 k

Resistor Gain

Network

CCOMPX

REF

DAC

Ladder

Current Limit

OUTX

40 k

GND

AGND

REFGND

AVSS

GND

SENSEPX

Resistor Gain

Network

Functional Block Diagram

SENSENX

REF

REFGND

High Current Drive (1 A) Application

An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,

intellectual property matters and other important disclaimers. PRODUCTION DATA.

12 3 4 5 6 7...53

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与DAC81404相关器件

型号	品牌	获取价格	描述	数据表
DAC81404_V01	TI	获取价格	DACx1404 Quad, 16-Bit and 12-Bit, High-Voltage-Output DACs With Internal Reference
DAC81404RHBR	TI	获取价格	DACx1404 Quad, 16-Bit and 12-Bit, High-Voltage-Output DACs With Internal Reference
DAC81404RHBT	TI	获取价格	DACx1404 Quad, 16-Bit and 12-Bit, High-Voltage-Output DACs With Internal Reference
DAC81408	TI	获取价格	具有集成内部基准电压的 8 通道 16 位高电压输出 DAC
DAC81408RHAR	TI	获取价格	具有集成内部基准电压的 8 通道 16 位高电压输出 DAC \| RHA \| 40 \| -
DAC81408RHAT	TI	获取价格	具有集成内部基准电压的 8 通道 16 位高电压输出 DAC \| RHA \| 40 \| -
DAC81416	TI	获取价格	具有集成内部基准电压的 16 通道 16 位高电压输出 DAC
DAC81416RHAR	TI	获取价格	具有集成内部基准电压的 16 通道 16 位高电压输出 DAC \| RHA \| 40 \|
DAC81416RHAT	TI	获取价格	具有集成内部基准电压的 16 通道 16 位高电压输出 DAC \| RHA \| 40 \|
DAC8143	ADI	获取价格	12-Bit Serial Daisy-Chain CMOS D/A Converter

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