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参数资料
| 型号： | TLC7226EDW |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | DAC |
| 英文描述： | QUAD, PARALLEL, 8 BITS INPUT LOADING, 8-BIT DAC, PDSO20 |
| 封装： | PLASTIC, SOIC-20 |
| 文件页数： | 20/20页 |
| 文件大小： | 280K |
| 代理商： | TLC7226EDW |
TLC7226C, TLC7226E
QUADRUPLE 8-BIT DIGITAL-TO-ANALOG CONVERTERS
SLAS060C – JANUARY 1995 – REVISED OCTOBER 2000
9
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
PRINCIPLES OF OPERATION
interface logic information (continued)
17
16
15
A0
A1
WR
To Latch A
To Latch B
To Latch C
To Latch D
Figure 6. Input Control Logic
unipolar output operation
The unipolar output operation is the basic mode of operation for each channel of the TLC7226, with the output
voltages having the same positive polarity as Vref. The TLC7226 can be operated with a single power supply
(VSS = AGND) or with positive/negative power supplies. The voltage at Vref must never be negative with respect
to AGND to prevent parasitic transistor turnon. Connections for the unipolar output operation are shown in
Figure 7. Transfer values are shown in Table 3.
_
+
DAC A
_
+
DAC B
_
+
DAC C
_
+
DAC D
4
REF
2
1
20
19
OUTA
OUTB
OUTC
OUTD
Figure 7. Unipolar Output Circuit
LSB
MSB
DAC LATCH CONTENTS
ANALOG OUTPUT
) V
ref
255
256
1111
) V
ref
129
256
1000
0001
1000
0000
) V
ref
128
256
+)
V
ref
2
0111
1111
) V
ref
127
256
0000
0001
) V
ref
1
256
0000
0 V
NOTE A. 1 LSB
+ V
ref
2–8
+ V
ref
1
256
Table 3. Unipolar Code
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TLC7226I | 制造商:TI 制造商全称:Texas Instruments 功能描述:QUADRUPLE 8-BIT DIGITAL-TO-ANALOG CONVERTERS |
| TLC7226IDW | 功能描述:数模转换器- DAC Quad DAC 8bit RoHS:否 制造商:Texas Instruments 转换器数量:1 DAC 输出端数量:1 转换速率:2 MSPs 分辨率:16 bit 接口类型:QSPI, SPI, Serial (3-Wire, Microwire) 稳定时间:1 us 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-14 封装:Tube |
| TLC7226IDWG4 | 功能描述:数模转换器- DAC Quad Parallel-In Sngl/Dual Sply RoHS:否 制造商:Texas Instruments 转换器数量:1 DAC 输出端数量:1 转换速率:2 MSPs 分辨率:16 bit 接口类型:QSPI, SPI, Serial (3-Wire, Microwire) 稳定时间:1 us 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-14 封装:Tube |
| TLC7226IDWR | 功能描述:数模转换器- DAC Quad Parallel-In Sngl/Dual Sply RoHS:否 制造商:Texas Instruments 转换器数量:1 DAC 输出端数量:1 转换速率:2 MSPs 分辨率:16 bit 接口类型:QSPI, SPI, Serial (3-Wire, Microwire) 稳定时间:1 us 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-14 封装:Tube |
| TLC7226IDWRG4 | 功能描述:数模转换器- DAC Quad Parallel-In Sngl/Dual Sply RoHS:否 制造商:Texas Instruments 转换器数量:1 DAC 输出端数量:1 转换速率:2 MSPs 分辨率:16 bit 接口类型:QSPI, SPI, Serial (3-Wire, Microwire) 稳定时间:1 us 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-14 封装:Tube |
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