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U3810BM 数据表(PDF) 16 Page - TEMIC Semiconductors

部件名 U3810BM
功能描述  Multi Standard Feature Phone Integrated Circuit
PDF  31 Pages
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制造商  TEMIC [TEMIC Semiconductors]
网页  http://www.temic.de
标志 TEMIC - TEMIC Semiconductors

U3810BM 数据表(HTML) 16 Page - TEMIC Semiconductors

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TELEFUNKEN Semiconductors
U3810BM
Rev. A1: 19.01.1996
16 (31)
VZ=17V
S2
U3810BM
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
IDC
470uF
470nF
220uF
100
47uF
VSO
47uF
VL
Il
60k
60k
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
4.7uF
470nF
6.8 M
1k
62
61.9k
0.1uF
VMIC
94 9334
X
Figure 8 Test circuit
D Note 3: GSA1 measured with S2 on 11
GSA2 measured with S2 on 12 and Bit LIS = 1
D Note 4: Antilarsen dynamic range:
DGLS = GLSA – GLSB
GLSA measured at VMIC = 160
mVrms
GLSB measured at VMIC = 1 mVrms
D Note 5: The available output current of the speaker
amplifier can be increased by reduction of the quiescent
current of the receiver output stage ( bits IE1, IE2, see
“contents of internal registers” ).
DTMF dialing
The output pin MF provides the multifrequency signal to
be transmitted on line. This signal is the result of the sum
of two frequency pulse modulations and requires an
external filter to compose a dual sine wave. The
frequencies are chosen in a low group and a high group.
The
circuit
conforms
to
the
T/CS
46–02
CEPT
recommendation concerning DTMF option 1 (–9/–11
dBm) and option 2 (–6/–8 dBm) transmit level 5 (example:
in fig. 6, option 2 can be fulfilled with 3.5 dB pre–emphasis
and 1.5 Vpp low frequency level pin 35).
Two different low levels (with 3 dB difference) and two
different pre–emphasis (2.5 and 3.5 dB) can be chosen
through the serial bus.
Melody – confidence tone
Melody/confidence tone frequencies are given in table 2.
In the state SIN1 = 1, SIN0 = 0, the IC delivers a single
pulse density modulated frequency at pin MF (the same
behavior as DTMF), denoted as a confidence tone. The
confidence tone is sent either to the line or on the
earpiece.In the state SIN1 = 0, SIN0 = 1, a square wave is
sent to the loudhearing input for ringing melodies.



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