TEA7092 ST Microelectronics, Inc., TEA7092 Datasheet - Page 3

• Manufacturer Part Number: TEA7092
• Description: Telephone Analog Front End
• Manufacturer: ST Microelectronics, Inc.

PIN DESCRIPTION
Pin Number
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
1
2
3
4
5
6
7
8
9
REOUT
LSSOF
DTMF1
RESET
TSOFT
DTMF2
LSOUT
RECIN
SOFTL
AGND
GREC
Name
DATA
EAR+
V
SNSL
SNLL
MIC1
MIC2
EAR-
V
HFIN
SWP
LSIN
OSC
RI/VI
PON
RCO
GND
ASQ
ASC
GTR
V
RSU
CLK
VZP
V
SLP
V
I
V
ISL
VS
ILL
VL
REFL
REF
RMC
REF
MC
CC
LS
Loudspeaker Power Supply
Unregulated Input of Microcontroller Power Supply
Transmit Output
Loudspeaker Reference Voltage (V
Loudspeaker Amplifier Input
Loudspeaker Softclipping Time Constant
DTMF Filter 1
Stabilized Microcontroller Power Supply
Oscillator Input
Ring Indicator / Line Current Variation Indicator
Microcontroller Reset Output
Line Current Indicator Output
Serial Bus Clock Input
Serial Bus Data Input
Short Line Sidetone Network Input
Long Line Sidetone Network Input
Antiacoustic & Squelch Time Constant
DC Offset Cancellation of Squelch Amplifier
Receive Input
Receive Output for Handsfree Interface & Loudspeaker Input
Transmit Gain Adjustment
Handsfree Microphone Input Referenced to V
Microphone Input 1 Referenced to V
Microphone Input 2 Referenced to V
Speech Reference Voltage (V
Speech Power Supply
Transmit Softclipping Time Constant
Softclipping Adjustment
Resistor to Set Reference Current
Active Self Inductor & DC Characteristic Adjustment
DC Mask Slope Adjustment
Analog Ground & Negative Line Voltage
Long Line Speech Control Adjustment (GMAX)
Short Line Speech Control Adjustment (GMAX-6dB)
Earphone Output
Earphone Output
Receive Gain Adjustment
Switch Mode Power Supply Internal Zener
Switch Mode Power Supply Output Switch
Ring Start-up Level
Ring Power Output Control
DTMF Filter 2
Power Ground & Negative Line Voltage
Loudspeaker Output
CC
/2)
Description
LS
REF
REF
/2)
REF
TEA7092
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