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U3810BM Datasheet, PDF (18/31 Pages) TEMIC Semiconductors – Multi Standard Feature Phone Integrated Circuit
U3810BM
Table 2:
Standard
frequency
Hz
440
466.16
493.88
523.25
554.36
587.33
622.25
659.25
698.46
740
784
830
880
932.3
987.77
1046.5
1108.73
1174.66
1244.5
1318.5
1396.9
1480
1568
1661.2
1760
1864.65
1975.5
2093
2217.46
2349.3
Tone output
frequency
Hz
440.04
466.19
493.49
522.99
554.88
587.86
621.58
659.42
697.85
741.04
784.48
830.29
878.38
932.38
989.13
1048.39
1109.76
1172.68
1243.17
1315.03
1395.71
1477.27
1568.97
1660.58
1763.57
1864.75
1978.26
2087.16
2208.74
2345.36
Frequency tolerance of the output tone
Tone output frequency when using 455 kHz
Parameters
DTMF generation (specified pin MF)
Tone frequency accuracy See table 1
Low group tone level
without attenuation
Note 7
S3 closed
High group tone level
without attenuation
Note 7
S3 closed
Pre-emphasis A
without attenuation
Note 7
S3 closed
Pre-emphasis B
without attenuation
Note 7
S3 closed
Low group tone level
with attenuation
Note 7
S3 closed
High group tone level
with attenuation
Note 7
S3 closed
Test conditions
BFOA (pre-emphasis A)
BFOB (pre-emphasis B)
HFOA (pre-emphasis A)
HFOB (pre-emphasis B)
PROA
PROB
BF1A (pre-emphasis A)
BF1B (pre-emphasis B)
HF1A (pre-emphasis A)
HF1B (pre-emphasis B)
TELEFUNKEN Semiconductors
Frequency
deviation
0/00
0.09
0.06
– 0.78
– 0.50
0.92
0.89
– 1.07
0.26
– 0.87
1.41
0.62
– 0.37
– 1.84
0.08
1.38
1.80
0.93
– 1.69
– 1.07
– 2.63
– 0.86
– 1.84
0.62
– 0.37
2.03
0.06
1.40
– 2.79
– 3.93
– 1.68
Min. Typ. Max. Unit Fig.
1.35 1.50 1.65 V
9
1.25 1.40 1.55 V
1.80 2.00 2.20 V
9
1.90 2.10 2.35 V
2.04 2.54 3.04 dB 9
3.02 3.52 4.02 dB 9
0.95 1.05 1.15 V
9
0.90 1.00 1.10 V
1.25 1.40 1.55 V
9
1.35 1.50 1.65 V
18 (31)
Rev. A1: 19.01.1996