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DAC8228SRTQR PDF预览

DAC8228SRTQR

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 | RTQ | 56 | -40 to 105

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DAC8228SRTQR 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Active零件包装代码：QFN
包装说明：HVQCCN, LCC56,.31SQ,20针数：56
Reach Compliance Code：compliantFactory Lead Time：12 weeks
风险等级：5.46Samacsys Description：Octal, 14-Bit, DAC
最大模拟输出电压：15 V最小模拟输出电压：-15 V
转换器类型：D/A CONVERTER输入位码：BINARY, 2'S COMPLEMENT BINARY
输入格式：PARALLEL, WORDJESD-30 代码：S-PQCC-N56
JESD-609代码：e4长度：8 mm
最大线性误差 (EL)：0.0061%湿度敏感等级：3
标称负供电电压：-16.5 V位数：14
功能数量：1端子数量：56
最高工作温度：105 °C最低工作温度：-40 °C
封装主体材料：PLASTIC/EPOXY封装代码：HVQCCN
封装等效代码：LCC56,.31SQ,20封装形状：SQUARE
封装形式：CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE峰值回流温度（摄氏度）：260
电源：+-4.5/+-18/9/36,3/5 V认证状态：Not Qualified
采样速率：0.066 MHz座面最大高度：1 mm
最大稳定时间：15 µs标称安定时间 (tstl)：15 µs
子类别：Other Converters最大压摆率：7 mA
标称供电电压：16.5 V表面贴装：YES
温度等级：INDUSTRIAL端子面层：Nickel/Palladium/Gold (Ni/Pd/Au)
端子形式：NO LEAD端子节距：0.5 mm
端子位置：QUAD处于峰值回流温度下的最长时间：NOT SPECIFIED
宽度：8 mm

DAC8228SRTQR 数据手册

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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  
1
FEATURES  
DESCRIPTION  
2
•
•
•
•
•
•
•
Bipolar Output: ±3V, up to ±16.5V  
The DAC8228 is  
digital-to-analog converter (DAC). With  
a
low-power, octal, 14-bit  
5V  
a
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 VMON pin 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  
IOVDD  
DGND  
DVDD  
AVDD  
AVSS  
REF-A  
Analog Monitor  
DAC8228  
VOUT-0  
VOUT-7  
VMON  
Reference  
Buffer A  
OFFSET  
DAC A  
A0  
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  
A4  
R/W  
CS  
To DAC-0, DAC-1,  
DAC-2, DAC-3  
(When Correction Engine Disabled)  
OFFSET-A  
VOUT-0  
D0  
DAC-0  
Input Data  
Register 0  
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  
VOUT-7  
(Same Function Blocks  
for All Channels)  
Reference  
Buffer B  
OFFSET  
DAC B  
GPIO  
Power-Up/  
Power-Down  
Control  
AGND-B  
REF-B  
1
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.  
2
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.  
Copyright © 2009, Texas Instruments Incorporated  
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DAC8228SRTQR 替代型号

型号 品牌 替代类型 描述 数据表
DAC8228SRTQT TI

完全替代

 八路、低功耗、14 位、+/-16.5V 输出并行输入数模转换器 | RTQ | 56 |
DAC8728SRTQT TI

类似代替

 Octal, 16-Bit, Low-Power, High-Voltage Output, Parallel Input DIGITAL-TO-ANALOG CONVERTER
DAC7728SRTQT TI

类似代替

 Octal, 12-Bit, Low-Power, High-Voltage Output, Parallel Input DIGITAL-TO-ANALOG CONVERTER

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DAC8229FP ROCHESTER

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