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URL: http://www.princeton.com.tw
Princeton Technology Corp.
6-Channel Electronic Volume Controller IC Preliminary
PT2258
PIN DESCRIPTION
Pin Name
IN1
I/O
I
Description
Channel Input No. 1.
Pin No.
1
Connect a Capacitor to Audio Source
Channel Input No. 2
Connect a Capacitor to Audio Source
Channel Input No. 3
IN2
IN3
I
I
2
3
Connect a Capacitor to Audio Source
Refer to Address Code Section
Digital Ground
CODE2
DGND
SCL
SDA
IN4
-
-
I
I
I
4
5
6
7
8
I2C Clock Input
I2C Data Input
Channel Input No. 4
Connect a Capacitor to Audio Source
Channel Input No. 5
IN5
I
9
Connect a Capacitor to Audio Source
Channel Input No. 6
Connect a Capacitor to Audio Source
Channel Output No. 6
Connect a Capacitor to the Next Stage
Channel Output No. 5
Connect a Capacitor to the Next Stage
Channel Output No. 4
IN6
I
10
11
12
13
OUT6
OUT5
OUT4
O
O
O
Connect a Capacitor to the Next Stage
Ground
Reference Voltage= 1/2 Vcc
Connect a Capacitor to the Ground
Power Supply Input
GND
REF
-
-
14
15
VCC
CODE1
OUT3
-
-
O
16
17
18
Refer to the Address Code Section
Channel Output No. 3
Connect a Capacitor to the Next Stage
Channel Output No. 2
Connect a Capacitor to the Next Stage
Channel Output No. 1
OUT2
OUT1
O
O
19
20
Connect a Capacitor to the Next Stage
PT2258 pre1.0
4
Updated July 2000
PTC [ PRINCETON TECHNOLOGY CORP ]
