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參數(shù)資料
| 型號： | LC89086M |
| 廠商： | Sanyo Electric Co.,Ltd. |
| 英文描述： | 8 Bit A/D Converter |
| 中文描述： | 8位A / D轉(zhuǎn)換器 |
| 文件頁數(shù)： | 5/6頁 |
| 文件大小： | 61K |
| 代理商： | LC89086M |
No. 5428-5/6
LC89086M
Pin Functions
Pin No.
Pin name
I/O
Function
Digital output enable input
High: high-impedance
Low: Normal operation
1
OEB
I
2
DV
SS
AV
SS
Digital ground
3
Analog ground
4
Vref HO
O
Internal reference voltage (high) generation. Shorting this pin to VrefH (pin 5) generates a voltage of 2.0 V.
This pin must be left open when the internally generated potential is not used.
5
Vref H
I
Reference voltage input (high)
6
AIN
I
Analog input
7
Vref M
O
Reference voltage intermediate level tap.
8
Vref L
I
Reference voltage input (low)
9
Vref LO
O
Internal reference voltage (low) generation. Shorting this pin to VrefL (pin 8) generates a voltage of 0 V.
This pin must be left open when the internally generated potential is not used.
10
AV
DD
AV
SS
DV
SS
DV
DD
D8
Analog power supply
11
Analog ground
12
Digital ground
13
Digital power supply
14
O
Digital output (LSB)
15
D7
O
Digital output
16
D6
O
Digital output
17
D5
O
Digital output
18
D4
O
Digital output
19
D3
O
Digital output
20
D2
O
Digital output
21
D1
O
Digital output (MSB)
22
OF
O
Digital output (Overflow)
23
CLK
I
Clock input
24
DV
DD
Digital power supply
Note: There must be no potential difference between the digital system and analog system V
DD
and V
SS
power supply potentials.
I/O Code Table
The table below lists the relationship between the input and output when VrefH and VrefL are set up so that the zero
transient voltage is 0.000 V and the full-scale transient voltage is 2.008V.
Analog input
Digital output
V
AIN
(V)
Up to 0.000
OF
D1
D2
D3
D4
D5
D6
D7
D8
0
0
0
0
0
0
0
0
0
Up to 0.008
0
0
0
0
0
0
0
0
0
Up to 0.016
0
0
0
0
0
0
0
0
Up to 0.024
0
0
0
0
0
0
0
1
0
Up to 0.032
0
0
0
0
0
0
0
1
1
to
Up to 0.992
0
0
1
1
1
1
1
1
0
Up to 1.000
0
0
1
1
1
1
1
1
1
Up to 1.008
0
1
0
0
0
0
0
0
0
Up to 1.016
0
1
0
0
0
0
0
0
1
to
Up to 1.992
0
1
1
1
1
1
1
0
1
Up to 2.000
0
1
1
1
1
1
1
1
0
Up to 2.008
0
1
1
1
1
1
1
1
1
Over 2.008
1
1
1
1
1
1
1
1
1
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