TEA7089AFP View Datasheet(PDF) - STMicroelectronics
Part Name
Description
Manufacturer
TEA7089AFP Datasheet PDF : 17 Pages
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TEA7089A
Figure 11 : Test Circuits - Test 1 (VL / VRMC / VMC / IVMC / ILS)
100µF C2
4.7nF
620Ω
IL
600Ω
VCC
33Ω
13V
82kΩ
1.6kΩ
Sidetone
15kΩ
VCC
1µF
47µF
VREF
560kΩ
100nF
100nF
10µF
10µF 100µF
47Ω
47nF
24V 10µF
3.9kΩ
100nF
82
11
12
3
4 AGC
1 SOFT
GTR 7
26 VRMC
GREC 14
28 DTMF
27 VREF
13 VMC
17 BUZ
TEA7089A
EAR+ 16
EAR- 15
MIC2 6
MIC1 5
18 VRING
IVLS 10
25 24 23 22 21 20 19 9
VREF
1.3kΩ
10kΩ
15kΩ
300Ω
2.2µF
2kΩ
470nF
1N4148
VCC
ILS
47µF
Figure 12 : Test 2 (R1)
IAC
IL
100µF
VAC
C2
4.7nF
VCC
620Ω
33Ω
13V
82kΩ
1.6kΩ
Sidetone
15kΩ
VCC
1µF
47µF
VREF
560kΩ
100nF
100nF
10µF
10µF
100µF
47Ω
47nF
24V 10µF
3.9kΩ
100nF
82
11
12
3
4 AGC
1 SOFT
GTR 7
26 VRMC
GREC 14
28 DTMF
27 VREF
13 VMC
17 BUZ
TEA7089A
EAR+ 16
EAR- 15
MIC2 6
MIC1 5
18 VRING
IVLS 10
25 24 23 22 21 20 19 9
VREF
1.3kΩ
10kΩ
15kΩ
300Ω
2.2µF
2kΩ
470nF
1N4148
VCC
ILS
47µF
VAC
Z=
IAC
RI = 20 log
Z + 600
Z - 600
12/17
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