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PDF S1T2425A01-D0B0 Data sheet ( Hoja de datos )
| Número de pieza | S1T2425A01-D0B0 | |
| Descripción | SPEECH NETWORK WITH DIALER INTERFACE | |
| Fabricantes | Samsung semiconductor | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de S1T2425A01-D0B0 (archivo pdf) en la parte inferior de esta página. Total 7 Páginas | ||
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SPEECH NETWORK WITH DIALER INTERFACE
INTRODUCTION
The S1T2425A is telephone speech network integrated circuit which
includes transmit amp, receive amp, side tone amp, DC loop interface
function, DTMF input, voltage regulator for speech, a regulated output
voltage for a dialer, and equalization circuit .
18−DIP−300A
FEATURES
• Low voltage operation (1.5V : speech)
• Transmit, Receive, Side tone and DTMF level
are controlled by external resistors
• Regulated voltage for dialer
• Loop length equalization
• MUTE function
• Linear interface for DTMF
ORDERING INFORMATION
Device
S1T2425A01-D0B0
Package
18−DIP−300A
Operating Temperature
− 20 to + 60°C
PIN CONFIGURATION
MIC 1
18 MT
TXI 2
17 MS
TXO 3
16 TI
STA 4
15 VDD
CC 5 S1T2425A 14 V+
EQ 6
13 LR
RXI 7
12 LC
RXO 8
RMT 9
11 VR
10 V-
S1T2425A
1
1 page  
SPEECH NETWORK WITH DIALER INTERFACE
TEST CIRCUIT
V+
14 13 12
22K
16
SK1AT22442255AA
VIN
400mVrms
18
17
10
1.0V
+
20µF
204
ILOOP
S1T2425A
Figure 1. DTMF Driver Test
V+
10K
20mVrms
1KHz
150K
8.2K
4
503
7
33K
8
150Ω
3 11
2 KA242S5A1T2425A
6
14 15 17 18 13
12
10
Vs
Microphone Equivalent
ILOOP
+
20µF
600Ω
203
47Ω
10
204 150Ω 503
Figure 2. Transmit and sidetone level test
5
5 Page | ||
| Páginas | Total 7 Páginas | |
| PDF Descargar | [ Datasheet S1T2425A01-D0B0.PDF ] | |
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