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TEA7092 Datasheet(PDF) 4 Page - STMicroelectronics

Part # TEA7092
Description  TELEPHONE SET INTEGRATED CIRCUIT
PDF  57 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TEA7092 Datasheet(HTML) 4 Page - STMicroelectronics

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I.2 - Pinout
Pin N
°
Name
Function
1VLS
Loudspeaker Power Supply
2VMC
Unregulated Microcontroller Power Supply
3VL
Transmit Output Stage
4VREFL
Loudspeaker Reference Voltage (VLS/2)
5
LSIN
Loudspeaker Amplifier Input
6
LSSOF
Loudspeaker Softclipping Time Constant
7
DTMF1
DTMF Filter 1
8VRMC
Stabilized Microcontroller Power Supply
9
OSC
Oscillator Input
10
RI/VI
Ring Indicator/Line Current Variation Indicator Output (*)
11
RESET
Microcontroller Reset Output (*)
12
PON
Line Current Indicator Output (*)
13
CLK
Serial Bus Clock Input (*)
14
DATA
Serial Bus Data Input (*)
15
SNSL
Short Line Sidetone Network
16
SNLL
Long Line Sidetone Network
17
ASQ
Anti-Acoustic Feedback and Squelch Time Constant
18
ASC
DC Offset Anti-Acoustic Feedback and Squelch Amplifier Suppression
19
RECIN
Receive Input and Positive Line Voltage
20
REOUT
Receive Output for Handfree Interface and Loudspeaker Input
21
GTR
Transmit Gain Adjustment
22
HFIN
Handfree Microphone Input Referenced to VREF
23
MIC1
Microphone Input 1 Referenced to VREF
24
MIC2
Microphone Input 2 Referenced to VREF
25
VREF
Speech Reference Voltage (VCC/2)
26
VCC
Speech Power Supply
27
TSOFT
Transmit Softclipping Time Constant
28
SOFTL
Transmit Softclipping Level Adjustment
29
IREF
Resistor to Set Reference Current
30
VS
Active Inductor and DC Characteristic Adjustment
31
SLPE
DC Mask Slope Adjustment
32
AGND
Analog Ground and Negative Line Voltage
33
ILL
Long Line Speech Control Gain Adjustment (GMAX)
34
ISL
Short Line Speech Control Gain Adjustment (GMAX - 6dB)
35
EAR+
Positive Earphone Output
36
EAR-
Negative Earphone Output
37
GREC
Receive Gain Adjustment
38
VZP
Switch Mode Power Supply Internal Zener
39
SWP
Switch Mode Power Supply Output
40
RSU
Ring Start Up Level
41
RCO
Ring Power Output Control
42
DTMF2
DTMF Filter 2
43
GND
Power Ground and Negative Line Voltage
44
LSOUT
Loudspeaker Output
* Logic Interface.
I - TEA7092 GENERAL INFORMATION (continued)
TEA7092 - TELEPHONE SET INTEGRATED CIRCUIT
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