Datasheet > DAC8228

DAC8228

更新时间： 2024-11-29 11:11:23

品牌	Logo	应用领域
德州仪器 - TI		转换器数模转换器
页数	文件大小	规格书
59页	1994K
描述
八路、低功耗、14 位、+/-16.5V 输出并行输入数模转换器

阅读下载

中文翻译

获取价格

数据手册

如果您发现信息不准确，欢迎纠错

DAC8228 数据手册

DAC8228

www.ti.com

SBAS462A –JUNE 2009–REVISED NOVEMBER 2009

Octal, 14-Bit, Low-Power, High-Voltage Output, Parallel Input

DIGITAL-TO-ANALOG CONVERTER

Check for Samples: DAC8228

FEATURES

DESCRIPTION

•

Bipolar Output: ±3V, up to ±16.5V

The DAC8228 is

digital-to-analog converter (DAC). With

low-power, octal, 14-bit

Unipolar Output: 0V to +33V

14-Bit Resolution

reference, the output can either be a bipolar ±15V

voltage when operating from a dual ±15.5V (or

higher) power supply, or a unipolar 0V to +30V

voltage when operating from a +30.5V power supply.

With a 5.5V reference, the output can be ±16.5V for a

dual ±17V (or higher) power supply, or a unipolar 0V

to +33V voltage when operating from a +33.5V (or

higher) power supply. This DAC provides low-power

operation, good linearity, and low glitch over the

specified temperature range of –40°C to +105°C. This

device is trimmed in manufacturing and has very low

zero and full-scale error. In addition, user calibration

can be performed to achieve ±1 LSB bipolar

zero/full-scale error for a bipolar supply, or ±1 LSB

zero-code/full-scale error for a unipolar supply over

the entire signal chain. The output range can be

offset by using the DAC Offset Register.

Low Power: 13.5mW/Ch

Relative Accuracy: 1LSB Max

Flexible User Calibration

Low Zero/Full-Scale Error

–

Before User Calibration: ±2.5 LSB Max

After User Calibration: ±1 LSB

•

Low Glitch: 4nV-s

Settling Time: 15μs

Channel Monitor Output

Programmable Gain: x4, x6

Programmable Offset

14-Bit Parallel Interface:

50MHz (Write Operation)

The DAC8228 features a standard, high-speed, 14-bit

parallel interface that operates at up to 50MHz and is

1.8V, 3V, and 5V logic compatible, to communicate

with a DSP or microprocessor. The eight DACs and

the auxiliary registers are addressed with five address

lines. The device features double-buffered interface

logic. An asynchronous load input (LDAC) transfers

data from the DAC data register to the DAC latch.

The asynchronous CLR input sets the output of all

eight DACs to AGND. The V_MONpin is a monitor

output that connects to the individual analog outputs,

the offset DAC, and the reference buffer outputs

through a multiplexer (mux).

•

Packages: QFN-56 (8mm x 8mm),

TQFP-64 (10mm x 10mm)

APPLICATIONS

•

Automatic Test Equipment

PLC and Industrial Process Control

Communications

IOV_DD

DGND

DV_DD

AV_DD

AV_SS

REF-A

Analog Monitor

DAC8228

V_OUT-0

V_OUT-7

V_MON

Reference

Buffer A

OFFSET

DAC A

Ref Buffer A

The DAC8228 is pin-to-pin compatible with the

DAC8728 (16-bit) and the DAC7728 (12-bit).

Command

Registers

Ref Buffer B

OFFSET-B

R/W

To DAC-0, DAC-1,

DAC-2, DAC-3

(When Correction Engine Disabled)

OFFSET-A

V_OUT-0

DAC-0

Input Data

Correction

Engine

DAC-0

Data

Latch-0

D13

To DAC-0, DAC-1,

DAC-2, DAC-3

LDAC

User Calibration:

Zero Register 0

Gain Regsiter 0

Internal Trimming

Zero/Gain; INL

RST

AGND-A

RSTSEL

LDAC

To DAC-4, DAC-5, DAC-6, DAC-7

CLR

USB/BTC

BUSY

OFFSET-B

V_OUT-7

(Same Function Blocks

for All Channels)

Reference

Buffer B

OFFSET

DAC B

GPIO

Power-Up/

Power-Down

Control

AGND-B

REF-B

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.

All 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...59

中文翻译

下载PDF

与DAC8228相关器件

型号	品牌	获取价格	描述	数据表
DAC8228BIFR	ADI	获取价格	暂无描述
DAC8228FP	ADI	获取价格	Dual 8-Bit CMOS D/A Converter with Voltage Output
DAC8228FPZ	ADI	获取价格	Dual 8-Bit, CMOS, Voltage Output, D/A Converter in a Single Chip
DAC8228FR	ADI	获取价格	Dual 8-Bit CMOS D/A Converter with Voltage Output
DAC8228FS	ADI	获取价格	Dual 8-Bit CMOS D/A Converter with Voltage Output
DAC8228FS-REEL	ADI	获取价格	Dual 8-Bit, CMOS, Voltage Output, D/A Converter in a Single Chip
DAC8228FSZ	ADI	获取价格	Dual 8-Bit, CMOS, Voltage Output, D/A Converter in a Single Chip
DAC8228FSZ-REEL	ADI	获取价格	Dual 8-Bit, CMOS, Voltage Output, D/A Converter in a Single Chip
DAC8228SPAG	TI	获取价格	八路、低功耗、14 位、+/-16.5V 输出并行输入数模转换器 \| PAG \| 64 \|
DAC8228SPAGR	TI	获取价格	八路、低功耗、14 位、+/-16.5V 输出并行输入数模转换器 \| PAG \| 64 \|

与DAC8228相关文章

解析光耦仿真器：升级光耦合器技术的必要性
2024-11-18

48
英伟达新一代Blackwell GPU过热问题致交付延迟
2024-11-18

38
国产厂商思特威CMOS图像传感器芯片单月出货超1亿颗，技术创新引领行业发展
2024-11-14

66
台积电5nm和3nm产能利用率达100%，半导体行业景气度持续攀升
2024-11-14

62

产品中心

服务支持

精选活动

关于我们

帮助中心

DAC8228

DAC8228 数据手册

与DAC8228相关器件

与DAC8228相关文章

您还可以找

产品中心

服务支持

精选活动

关于我们

帮助中心

DAC8228

DAC8228 数据手册

与DAC8228相关器件

与DAC8228相关文章

您还可以找

您在本页遇到什么问题？