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5962-87802012A PDF预览

5962-87802012A

更新时间: 2024-02-02 04:48:35
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
21页 457K
描述
QUADRUPLE 8-BIT DIGITAL-TO-ANALOG CONVERTERS

5962-87802012A 技术参数

生命周期:Active零件包装代码:QLCC
包装说明:LCC-20针数:20
Reach Compliance Code:unknownECCN代码:3A001.A.2.C
HTS代码:8542.39.00.01风险等级:5.45
Is Samacsys:N转换器类型:D/A CONVERTER
输入位码:BINARY输入格式:PARALLEL, 8 BITS
JESD-30 代码:S-CQCC-N20最大线性误差 (EL):0.3906%
标称负供电电压:-5 V位数:8
功能数量:4端子数量:20
最高工作温度:125 °C最低工作温度:-55 °C
封装主体材料:CERAMIC, METAL-SEALED COFIRED封装代码:QCCN
封装等效代码:LCC20,.35SQ封装形状:SQUARE
封装形式:CHIP CARRIER认证状态:Qualified
筛选级别:MIL-STD-883最大稳定时间:20 µs
最大压摆率:13 mA标称供电电压:10 V
表面贴装:YES技术:CMOS
温度等级:MILITARY端子形式:NO LEAD
端子节距:0.5 mm端子位置:QUAD
Base Number Matches:1

5962-87802012A 数据手册

 浏览型号5962-87802012A的Datasheet PDF文件第4页浏览型号5962-87802012A的Datasheet PDF文件第5页浏览型号5962-87802012A的Datasheet PDF文件第6页浏览型号5962-87802012A的Datasheet PDF文件第8页浏览型号5962-87802012A的Datasheet PDF文件第9页浏览型号5962-87802012A的Datasheet PDF文件第10页 
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SLAS060F − JANUARY 1995 − REVISED APRIL 2009  
PRINCIPLES OF OPERATION  
AGND bias for direct bipolar output operation  
The TLC7226 can be used in bipolar operation without adding more external operational amplifiers as shown  
in Figure 4 by biasing AGND to V . This configuration provides an excellent method for providing a direct  
SS  
bipolar output with no additional components. The transfer values are shown in Table 1.  
REF (V = 5 V)  
ref  
V
DD  
4
18  
TLC7226  
_
OUT  
2
Output range  
(5 V to 5 V)  
AGND  
+
DAC A  
5
3
6
V
DGND  
SS  
−5 V  
Digital inputs omitted for clarity.  
Figure 4. AGND Bias for Direct Bipolar Operation  
Table 1. Bipolar (Offset Binary) Code  
DAC LATCH CONTENTS  
ANALOG OUTPUT  
MSB  
LSB  
127  
128  
ref ǒ Ǔ  
1111  
1111  
) V  
) V  
1
ref ǒ Ǔ  
1000  
1000  
0111  
0001  
0000  
1111  
128  
0 V  
1
ref ǒ Ǔ  
* V  
128  
127  
128  
ref ǒ Ǔ  
0000  
0000  
0001  
0000  
* V  
128  
ref ǒ Ǔ+ * V  
–V  
ref  
128  
AGND bias for positive output offset  
The TLC7226 AGND terminal can be biased above or below the system ground terminal, DGND, to provide an  
offset analog output voltage level. Figure 5 shows a circuit configuration to achieve this for channel A of the  
TLC7226. The output voltage, V , at OUTA can be expressed as:  
O
A ǒVIǓ  
V
+ V  
) D  
(1)  
O
BIAS  
where D is a fractional representation of the digital input word (0 D 255/256).  
A
Increasing AGND above system GND reduces the output range. V  
specified operation. Since the AGND terminal is common to all four DACs, this method biases up the output  
− V must be at least 4 V to ensure  
ref  
DD  
voltages of all the DACs in the TLC7226. Supply voltages V  
to DGND.  
and V for the TLC7226 should be referenced  
DD  
SS  
7
POST OFFICE BOX 655303 DALLAS, TEXAS 75265  

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