PT2335 查看數據表（PDF） - Princeton Technology
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PT2335 Datasheet PDF : 5 Pages
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DataSheet.in
PT2335
PIN DESCRIPTION
Pin Name
RINN
AVDD
OE
SD
SDA
SCL
ROUT
RB1
RB2
RT
R4
R3
R2
R1
RGOUT
RIN
LOUDR
LOUDL
LIN
LGOUT
L1
L2
L3
L4
LT
LB2
LB1
LOUT
OSC1
OSC2
OSC3
BYPASS
VDD
NC
AGND
LINN
LINP
NC
LON
LGND
LVDD
LOP
ROP
RVDD
RGND
RON
NC
RINP
I/O
Description
I Negative input of right channel Class-D amp
P Power input for analog circuits
I Output enable setting, connect a 0.22μF cap to GND
I
Shutdown. Sets to low level will turn off whole chip and pull up to high level is back to
normal operation.
I I2C bus data input
I I2C bus clock input
O Right channel line out
I Capacitor 1 for right channel bass controller
O Capacitor 2 for right channel bass controller
I Capacitor for right channel treble controller
I Input 4 of right channel
I Input 3 of right channel
I Input 2 of right channel
I Input 1 of right channel
O Right channel selector out
I Right volume controller input
O Right channel loudness capacitor
O Left channel loudness capacitor
I Left volume controller input
O Left channel selector out
I Input 1 of left channel
I Input 2 of left channel
I Input 3 of left channel
I Input 4 of left channel
I Capacitor for left channel treble controller
I Capacitor 2 for left channel bass controller
O Capacitor 1 for left channel bass controller
O Left channel line out
O 480KHz ceramic resonator output
I Ceramic resonator summing input
O 429KHz ceramic resonator output
P Bypass cap for internal voltage reference, a 2.2µF cap is recommended.
P Power input
- No connect
P Ground for analog circuits
I Negative input of left channel Class-D amp
I Positive input of left channel Class-D amp
- No connect
O Negative output of left channel Class-D amp
P Power ground of left channel Class-D amp
P Power input of left channel Class-D amp
O Positive output of left channel Class-D amp
O Positive output of right channel Class-D amp
P Power input of right channel Class-D amp
P Power ground of right channel Class-D amp
O Negative output of right channel Class-D amp
- No connect
I Positive input of right channel Class-D amp
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
PRE1.0
4
April, 2009
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