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PDF LA8630MC Data sheet ( Hoja de datos )
| Número de pieza | LA8630MC | |
| Descripción | Low Voltage and Current Dissipation Compandor IC | |
| Fabricantes | ON Semiconductor | |
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LA8630MC
Monolithic Linear IC
Low Voltage and Current
Dissipation Compandor IC
Applications
Cordless telephone
FM transceiver
Functions
Compressor (VCA circuit, full-wave rectifying circuit, adder amplifier)
Expandor (VCA circuit, full-wave rectifying circuit, adder amplifier)
Operational amplifier (in the compressor)
Operational amplifier with muting function (in the expandor)
Analog switch for data signal input (in the compressor)
Regulator
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SOIC-16
Specifications
Maximum Ratings at Ta = 25C
Parameter
Maximum supply voltage
Allowable power dissipation
Operating temperature
Storage temperature
Symbol
VCC max
Pd max
Topr
Tstg
Conditions
Ta 75ºC
Ratings
8
100
20 to +75
40 to +125
Unit
V
mW
ºC
ºC
Stresses exceeding those listed in the Maximum Ratings table may damage the device. If any of these limits are exceeded, device functionality should not be assumed,
damage may occur and reliability may be affected.
Operating Conditions at Ta = 25C
Parameter
Recommended supply voltage
Operating voltage range
Symbol
VCC
VCC op
Conditions
Ratings
3
2.2 to 6.0
Unit
V
V
Functional operation above the stresses listed in the Recommended Operating Ranges is not implied. Extended exposure to stresses beyond the Recommended
Operating Ranges limits may affect device reliability.
ORDERING INFORMATION
See detailed ordering and shipping information on page 8 of this data sheet.
© Semiconductor Components Industries, LLC, 2016
January 2016 - Rev. 0
1
Publication Order Number :
LA8630MC/D
1 page  
Test Circuit
TP16
SW14
SW13
620Ω
0.22μF
16
2.2μF
15
LA8630MC
TP13
4.7μF
SW15
TP12 TP11
200kΩ 620Ω
SW12
SW11
2.2μF
0.1μF
14 13 12 11
TP10
SW10
10
100μF
9
10kΩ
RECTIFIER
VCA
34kΩ
34kΩ
VCA
RECTIFIER
10kΩ
1
2
30kΩ
A-SW
30kΩ 30kΩ
OP AMP
SUM AMP
-
+
+ SUM AMP
-
30kΩ
50kΩ
7.2kΩ
50kΩ 50kΩ
OP AMP
(WITH MUTE)
50kΩ
3kΩ
3 45
1μF
2.2μF
2.2μF
47kΩ
SW1
TP1
620Ω
10kΩ 200kΩ SW3 SW3 SW3
SW2 SW3
TP3
REGULATOR
50kΩ 50kΩ
GND
67
10μF
1kΩ
SW7 SW8
8
1μF
VCC
Summary of Compandor
(1) Operation
VINC
Compressor
VINC
K
VOUTC
< for example >
VREF = 100mV
VINE
Expandor
KVINE2
VOUTE
K = IO
VINC = 1mV
(-40dB)
VINE = 10mV
VOUTC =
1
10
1103
≈
10mV
=
-20dB
VOUTE = (1010-3)2 10 = 1mV = -40dB
VOUTC = VINC / K
VINE = VOUTC
VOUTE = KVINE2 = K
VINC
K
= VINC
1mV
(-40dB)
Compressor
10mV
(-20dB)
10mV
(-20dB)
Expandor
1mV
(-40dB)
At reference level (VREF) VINC = VOUTC, VINE = VOUTE
VINC < VREF Compressor → Amplifier
VINE < VREF Expandor → Attenuator
VINC > VREF Compressor →Attenuator
VINE > VREF Expandor → Amplifier
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5
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet LA8630MC.PDF ] | |
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