TEA7089AFP View Datasheet(PDF) - STMicroelectronics
Part Name
Description
Manufacturer
TEA7089AFP Datasheet PDF : 17 Pages
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TEA7089A
Figure 13 : Test 3 (Gtl / Gts / Zmic / Nt / Mmic / Dt / Vlmax / Eff)
33Ω
100µF
C2
4.7nF
620Ω
600Ω
IL
VCC
13V
82kΩ
1.6kΩ
Sidetone
15kΩ
VCC
1µF
47µF
VREF
560kΩ
100nF
100nF
10µF
10µF
100µF
3.9kΩ
82
4 AGC
1 SOFT
26 VRMC
28 DTMF
27 VREF
13 VMC
100nF
11
12
3
GTR 7
GREC 14
TEA7089A
EAR+ 16
EAR- 15
VREF
1.3kΩ
10kΩ
15kΩ
2.2µF
300Ω Vear
47nF
47Ω
17 BUZ
MIC2 6
2kΩ Vm
24V 10µF
18 VRING
25 24 23 22 21 20 19
MIC1 5
IVLS 10
9
470nF
1N4148
VCC
ILS
47µF
Gtl/Gts
=
20
log
V12
Vm
Mmic
=
20
log
V12
V12
(010000)
(010011)
Eff = 20 log
Vear
Vm
Figure 14 : Test 4 (Grl / Grs / Dr / Mear / Nr)
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
2.2µF
300Ω Vear
2kΩ
470nF
1N4148
VCC
ILS
47µF
Vear
Grl/Grs = 20 log
V12
13/17
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