參數(shù)資料
型號: U3810BM
英文描述: Multi Standard Feature Phone Integrated Circuit
中文描述: 多標(biāo)準(zhǔn)功能手機(jī)集成電路
文件頁數(shù): 14/31頁
文件大?。?/td> 497K
代理商: U3810BM
TELEFUNKEN Semiconductors
U3810BM
Rev. A1: 19.01.1996
14 (31)
Parameters
Test conditions
Min.
–800
Typ.
Max.
+600
Unit
mV
Fig.
7
Receiver output
offset (pin 29 – 30)
Automatic sidetone
balancing (V
R*
/V
MIC
)
I
L
= 28 mA and 60 mA
Maximum gain
At maximum gain
V
MIC
= 4 mV
rms
RX6 = 1
I
L
= 28 mA
I
L
= 60 mA
24
16
dB
dB
6
Digital balanced sidetone
tested on receiving gain
V
R
/V
L
V
GEN
= 0.3 V
rms
maximum gain
close switch S1 Bit IBAL = 1
Bits BAL2 BAL1BAL0
0
0
0
0
1
1
1
0
0
1
1
0
1
1
0
1
0
1
1
0
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
Confidence level gain
V
R
/V
MIC
Z line match. impedance
V
MIC
= 2 mV
rms
Bit I
R
= 1
60
dB
6
V
MIC
= 2 mV
rms
I
R
= 1
V
GEN
= 0.3 V
rms
I
L
= 28 and 60 mA
EC = 1
19.5
520
22.0
570
23.5
620
dB
6
7
VZ=17V
U3810BM
S1
V
GEN
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
4
41
RESET
42
43
44
5
6
7
8
9
29
VE3
4
SIN
IDC
VL
470uF
62
6
470nF
2
47uF
5
1
4
2
Il
serial bus
X
E
Z
T
R
I
V
I
C
TACL
RECO2
RECO1
RECOX
STL
C
D
MF
STS
RECI
R
M
T
T
M
M
M
A
CEI
RREF
SO2
SO1
SAIX
SAI
VL
TAL
TAD
GND
VSA
VCC
VDD
Z
CO
LVIO
455kHz
4
470nF
4
1
61.9k
6
6
0.1uF
60k
60k
68k
4
6
4
4
1
94 9333
1
4
Figure 7 Test circuit
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