TEA7092TQ 데이터 시트보기 (PDF) - STMicroelectronics
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TEA7092TQ Datasheet PDF : 24 Pages
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PIN DESCRIPTION
Pin Number
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
Name
VLS
VMC
VL
VREFL
LSIN
LSSOF
DTMF1
VRMC
OSC
RI/VI
RESET
PON
CLK
DATA
SNSL
SNLL
ASQ
ASC
RECIN
REOUT
GTR
HFIN
MIC1
MIC2
VREF
VCC
TSOFT
SOFTL
IREF
VS
SLP
AGND
ILL
ISL
EAR+
EAR-
GREC
VZP
SWP
RSU
RCO
DTMF2
GND
LSOUT
Description
Loudspeaker Power Supply
Unregulated Input of Microcontroller Power Supply
Transmit Output
Loudspeaker Reference Voltage (VLS/2)
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 VREF
Microphone Input 1 Referenced to VREF
Microphone Input 2 Referenced to VREF
Speech Reference Voltage (VCC/2)
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
TEA7092
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