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参数资料
| 型号： | LC89086M |
| 元件分类： | ADC |
| 英文描述： | 1-CH 8-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PDSO24 |
| 封装： | MFP-24 |
| 文件页数： | 5/6页 |
| 文件大小： | 64K |
| 代理商： | LC89086M |
No. 5428-5/6
LC89086M
Pin Functions
Pin No.
Pin name
I/O
Function
Digital output enable input
1
OEB
I
High: high-impedance
Low: Normal operation
2
DVSS
Digital ground
3
AVSS
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
AVDD
Analog power supply
11
AVSS
Analog ground
12
DVSS
Digital ground
13
DVDD
Digital power supply
14
D8
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
DVDD
Digital power supply
Note: There must be no potential difference between the digital system and analog system VDD and VSS 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
VAIN (V)
OF
D1
D2
D3
D4
D5
D6
D7
D8
Up to 0.000
0
Up to 0.008
0
Up to 0.016
0
1
Up to 0.024
0
1
0
Up to 0.032
0
1
to
Up to 0.992
0
1
0
Up to 1.000
0
1
Up to 1.008
0
1
0
Up to 1.016
0
1
0
1
to
Up to 1.992
0
1
0
1
Up to 2.000
0
1
0
Up to 2.008
0
1
Over 2.008
1
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