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LA8519M Просмотр технического описания (PDF) - SANYO -> Panasonic

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LA8519M Datasheet PDF : 29 Pages
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• Speech network gain distribution
LA8519M
DTMF-IN
44
TA-IN
43
VL
48
Line driver
amplifier
30 dB
Transmitter PAD
0 dB *1
–3.5 dB *2
SW2
0 dB
SW1
0 dB
42
100 k
20 k
41
40 TI-IN
Transmitter amplifier
(15.5 dB)
* IL = 20 mA
** IL = 120 mA
Note: For a 600 line termination
KT-IN
39
A13129
VL
11 k
48
BN
54
150 k
55
38
ATT
300 150
37
100 k
36
6.2 k
Anti-sidetone
circuit
(–33.6 dB)
Receiver input
amplifier
(22.7 dB)
Receiver PAD
0 dB *1
–6.5 dB *2
SW3
0 dB
SW4
4 dB
ATT
Receiver output
–6.5 dB
amplifier
0 dB *3
(24.7 dB)
Attenuator
(–9.5 dB)
* IL = 20 mA
** IL = 120 mA
*** When address 7E is set to the on state with a serial data transfer.
Notes: 1. The gain values are rough values, and should be seen as target values during the design process.
2. Values in parentheses can be modified by external components.
A13130
No. 6471-20/29

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