參數(shù)資料
型號(hào): UPC1857A
廠商: NEC Corp.
英文描述: CONN SEALING FOR WALL RCPT #24
中文描述: 聲控集成電路環(huán)繞和I2C總線
文件頁(yè)數(shù): 11/44頁(yè)
文件大?。?/td> 343K
代理商: UPC1857A
11
μ
PC1857A
V
CC
V
CC
1/2V
CC
19
V
CC
3 k
5 k
5 k
5 k
+2.2 F
3 k
6 k
60 k
6 k
18
Table 1-1. Pin Function List (5/7)
Pin Number
Pin Name
Equivalent Circuit
Description
17
VOL-C
V
CC
V
CC
50 k
17
+
3.3 F
Pin for D/A converter capacitor for
volume control.
Pin voltage: approx. 6.0 V
18
OFL2
Pin that absorbs offset voltage of L
channel.
Pin voltage: approx. 6.0 V
19
OFL1
20
SCL
5 k
20
Serial clock line (I
pin.
2
C bus clock Input)
Pin voltage: approx. 0.0 V
21
SDA
5 k
21
Serial data line (I
pin
2
C bus data I/O)
Pin voltage: approx. 0.2 V
22
ADS
5 k
22
Slave address select pin.
Pin voltage: approx. 0.0 V
23
DGND
15
1
23
GND for I
2
C bus signal.
Pin voltage: approx. 0.0 V
Remark
Pin voltage is the reference value when V
CC
= 12 V.
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