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U3810BM Datasheet(PDF) 14 Page - TEMIC Semiconductors

Part # U3810BM
Description  Multi Standard Feature Phone Integrated Circuit
PDF  31 Pages
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Manufacturer  TEMIC [TEMIC Semiconductors]
Direct Link  http://www.temic.de
Logo TEMIC - TEMIC Semiconductors

U3810BM Datasheet(HTML) 14 Page - TEMIC Semiconductors

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TELEFUNKEN Semiconductors
U3810BM
Rev. A1: 19.01.1996
14 (31)
Parameters
Test conditions
Min.
Typ.
Max.
Unit
Fig.
Receiver output
offset (pin 29 – 30)
IL = 28 mA and 60 mA
Maximum gain
RX6 = 1
– 800
+ 600
mV
7
Automatic sidetone
balancing (VR*/VMIC)
At maximum gain
VMIC = 4 mVrms
IL = 28 mA
IL = 60 mA
24
16
dB
dB
6
Digital balanced sidetone
tested on receiving gain
VR/VL
VGEN = 0.3 Vrms maximum gain
close switch S1 Bit IBAL = 1
Bits BAL2 BAL1BAL0
00
0
00
1
01
0
01
1
10
1
11
0
11
1
18.0
16.9
15.5
4.2
19.0
17.9
16.5
14.5
12.3
9.2
5.7
20.0
18.9
17.5
7.2
dB
dB
dB
dB
dB
dB
dB
7
Confidence level
attenuation
VMIC = 2 mVrms Bit IR = 1
60
dB
6
Confidence level gain
VR/VMIC
VMIC = 2 mVrms IR = 1
EC = 1
19.5
22.0
23.5
dB
6
Z line match. impedance
VGEN = 0.3 Vrms IL = 28 and 60 mA
520
570
620
W
7
VZ=17V
U3810BM
S1
VGEN
40
1
10
11
12
13
14
15
16
17
18
19
2
20
21
22
23
24
25
26
27
28
3
30
31
32
33
34
35
36
37
38
39
441
42
43
44
5
6
7
8
9
29
VE3
SIN
IDC
VL
470uF
62
470nF
47uF
Il
serial bus
TACL
RECO2
RECO1
RECOX
STL
RESET
C
D
MF
STS
RECI
CEI
RREF
SO2
SO1
SAIX
SAI
VL
TAL
TAD
GND
VSA
VCC
VDD
CO
LVIO
455kHz
470nF
61.9k
0.1uF
60k
60k
68k
94 9333
Figure 7 Test circuit



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