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參數(shù)資料
| 型號(hào)： | MC145050P |
| 廠商： | MOTOROLA INC |
| 元件分類： | ADC |
| 英文描述： | 10-Bit A/D Converter with Serial Interface |
| 中文描述： | 11-CH 10-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDIP20 |
| 封裝： | PLASTIC, DIP-20 |
| 文件頁數(shù)： | 8/15頁 |
| 文件大?。?/td> | 181K |
| 代理商： | MC145050P |
MC145050 MC145051
8
MOTOROLA WIRELESS SEMICONDUCTOR
SOLUTIONS DEVICE DATA
Dout
SCLK
Din
EOC
CS
A/D CONVERSION
INTERVAL
SAMPLE ANALOG INPUT
RE-INITIALIZE
INITIALIZE
HIGH IMPEDANCE
D9 – MSB
MSB
A3
A2
A1
A0
SHIFT IN NEW MUX ADDRESS,
SIMULTANEOUSLY SHIFT OUT PREVIOUS CONVERSION VALUE
1
2
3
4
5
6
7
8
9
10
1
D8
D7
D6
D5
D4
D3
D2
D1
D0
D9
A3
Figure 9. Timing for 10-Clock Transfer Using CS*
A/D CONVERSION
INTERVAL
SHIFT IN NEW MUX ADDRESS,
SIMULTANEOUSLY SHIFT OUT PREVIOUS CONVERSION VALUE
MSB
1
2
3
4
5
6
7
8
9
10
1
Dout
SCLK
Din
EOC
CS
SAMPLE ANALOG INPUT
LOW LEVEL
D9 – MSB
D8
D7
D6
D5
D4
D3
D2
D1
D0
D9
INITIALIZE
MUST BE HIGH ON POWER UP
A3
A2
A1
A0
A3
Figure 10. Timing for 10-Clock Transfer Not Using CS*
NOTES:
1. D9, D8, D7,
…
, D0 = the result of the previous A/D conversion.
2. A3, A2, A1, A0 = the mux address for the next A/D conversion.
* This figure illustrates the behavior of the MC145051. The MC145050 behaves identically except there is no EOC signal and the conversion time
is 44 ADCLK cycles (user-controlled time).
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