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參數(shù)資料
| 型號(hào)： | MP7612BS |
| 廠商： | MICRO POWER SYSTEMS |
| 元件分類： | DAC |
| 英文描述： | Octal 12-Bit DAC Array D/A Converter with Output Amplifier and Serial Data/Address uP Control Logic |
| 中文描述： | SERIAL INPUT LOADING, 30 us SETTLING TIME, 12-BIT DAC, PDSO28 |
| 文件頁(yè)數(shù)： | 8/20頁(yè) |
| 文件大?。?/td> | 231K |
| 代理商： | MP7612BS |
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MP7612
8
Rev. 3.00
The MP7612 is equipped with a serial data (3-wire standard)
μ
-processor logic interface to reduce pin count, package size,
and board wire (space). If the LD signal is high, the CLK signal
loads the digital input bits (SDI) into the shift register (4 bits ad-
dress A3 to A0 plus 12 bits data DB11 to DB0 for the MP7612).
The LD signal going low loads the data into the selected DAC.
The LD signal going low also disables the serial data (SDI), out-
put (SDO 3-stated) and the CLK input. This design tremen-
dously reduces digital noise and glitch transients into the DACs
due to free running CLK and SDI. Note also that the preset sig-
nal (RST) resets all analog outputs to 0 volt regardless of digital
inputs.
A3
A2
A1
A0
X
X
X
X
1
1
DAC 0
DAC 1
DAC 2
DAC 3
DAC 4
DAC 5
DAC 6
DAC 7
0
0
0
0
0
0
0
1
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
0
X
X
X
X
X
X
X
X
X
X
X
X
X
1
1
1
1
1
1
1
1
X
X
X
X
X
X
0
1
1
1
1
1
1
0
1
1
1
Function
LD
CLK
RST
Shift Data In
and Out
Stop Shifting
Data In and
Out
0
→
1
Repeat
Load DACs
1
→
0
1
→
0
1
→
0
1
→
0
1
→
0
1
→
0
1
→
0
1
→
0
Reset all DACs
to 0 V
No Operation
No Operation
Table 1. Digital Function Truth Table
Serial In/Serial Out
Note: For timing information see Electrical Characteristics
SDI
Data Input
Valid
X
X
X
X
X
X
X
X
X
X
X
SDO
Data Output
Valid
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
0
0
0
0
No Operation
X
X
X
X
0
1
Hi-Z
X
X
X
No Operation
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PDF描述 |
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| MP7613 | 制造商:EXAR 制造商全稱:EXAR 功能描述:Octal 12-Bit DAC Array D/A Converter with Output Amplifier and Parallel Data/Address mP Control Logic |
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| MP7614JN | 制造商:EXAR 制造商全稱:EXAR 功能描述:15 V CMOS Multiplying 14-Bit Digital-to-Analog Converter |
| MP7614KD | 制造商:MICHIP 功能描述: 制造商:Microchip Technology Inc 功能描述: |
| MP7614KN | 制造商:EXAR 制造商全稱:EXAR 功能描述:15 V CMOS Multiplying 14-Bit Digital-to-Analog Converter |
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