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PT2390 Datasheet(PDF) 2 Page - Princeton Technology Corp

Part # PT2390
Description  Echo IC with Built-in Microphone Amplifier & Output Mixer
PDF  7 Pages
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Manufacturer  PTC [Princeton Technology Corp]
Direct Link  http://www.princeton.com.tw
Logo PTC - Princeton Technology Corp

PT2390 Datasheet(HTML) 2 Page - Princeton Technology Corp

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Echo IC with Built-in Microphone Amplifier & Output Mixer
Ref. No. 2390 v1.1
2
Written July 1999
Princeton Technology Corp.
Tel: 886-2-29162151
Fax: 886-2-29174598
URL: http://www.princeton.com.tw
PT2390
BLOCK DIAGRAM
+
+
+
+
+
_
+
-
_
_
_
_
REF
REF
MIC1_IN
MIC1_OUT
MIX1_IN
ECHO_IN
LOUT
LIN
VOCCON
VDD
REF
AGND
DGND
CLK_IN
LPF1_IN
LPF1_OUT
1
28
227
3
26
4
6
23
REF
REF
REF
REF
REF
REF
REF
REF
REF
+
++
MIC2_IN
MIC2_OUT
MIX2_IN
MIX2_OUT
ROUT
RIN
CC1
CC0
OP1_IN
OP1_OUT
OP2_IN
OP2_OUT
LPF2_IN
LPF2_OUT
5
24
25
7
8
9
10
11
12
13
14
½ Vcc
CONTROL
UNIT
22
21
20
19
A/D
D/A
18
17
16
15
_
+
REF
REF



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