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Электронный компонент: SA8507

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Silan
Semiconductors
SA8507
HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD
REV: 1.1 2001-11-30
1
COMPANDER
DESCRIPTION
SA8507 is a automatic gain control system that is used for
dynamic range compression and expansion. According to the
companding the signal, this can reduce the noise components.
SA8507 includes compressor, expander, pre-amp, filter amp, limiter
and mute/bypath logic.
FEATURES
* Wide supply voltage: 2.4V ~ 7V
* Easy gain control
* Mute/bypath logic
* Data in/out pin
SOP-20
DIP-20
ORDERING INFORMATION
SA8507D
DIP-20-300 Package
SA8507S
SOP-20-375 Package
PIN CONFIGURATION
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
18
17
FO
FI
CO
DI
AGIC
CRC
CPI-
CPI+
CB
Vcc
EO
ERC
DO
EPI-
EPI+
EB
EMUTE
BYPATH
SA85
0
7
20
19
GND
CMUTE
Silan
Semiconductors
SA8507
HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD
REV: 1.1 2001-11-30
2
BLOCK DIAGRAM
CPI-
+
-
Summing
AMP
Variable
Resistor
Rectifier
Byath
Limiter
Compressor
Mute
Compressor
Output Buffer
+
-
+
-
Variable
Resistor
Rectifier
Summing
AMP
Expandor
Mute
Bias Circuit
Logic
11
12
13
1
20
10
14
9
19
18
17
7
8
CPI+
5
6
4
3
2
DO
ERC
EO
CB EB GND
Vcc
EMUTE
BYPATH
CMUTE
FO
FI
CO
DI
CRC
AGIC
16
15
EPI+
EPI-
Byath

ABSOLUTE MAXIMUM RATINGS
(Ta=25
C )
Characteristic
Symbol
Value
Unit
Supply Voltage
V
CC
10
V
SA8507D
1000
mW
Power Dissipation
SA8507S
PD
410
mW
Operating Temperature
T
OPR
-22 ~ +70
C
Storage Temperature
T
STG
-55 ~ +150
C
ELECTRICAL CHARACTERISTICS
(Ta=25
C)
Characteristic
Symbol
Test Condition
Min
Typ.
Max
Unit
DC ELECTRICAL CHARACTERISTICS
Operating Voltage
V
CC
--
--
2.4
7.0
V
Operating Current
I
CC
No Signal
--
4.0
6.5
mA
COMPRESSOR PART
Standard Output Voltage
V
O(COMP)
Vin=12.5mV
240
300
360
mVrms
G
V1(COMP)
Vin=-20dB(300mV=0dB)
-0.5
0
+0.5
Gain Deference
G
V2(COMP)
Vin=-40dB
-1.0
0
+1.0
dB
Bypath Gain Difference
G
VB(COMP)
Vout=0dB, BYPATH=GND
-1.5
0
+1.5
dB
Output Distortion
THD
COMP
Vin=0dB
--
0.5
1.0
%
Noise Output Voltage
V
NO(COMP)
Rg=620hm
--
3.0
5.5
mVrns
Mute Attenuation Radio
ATT
MUTE
Vin=0dB, CMUTE=GND
60
80
--
dB
Maximum Voltage
V
out
--
1.15
1.35
1.50
Vrms
(To be continued)
Silan
Semiconductors
SA8507
HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD
REV: 1.1 2001-11-30
3
(Continued)
Characteristic
Symbol
Test Condition
Min
Typ.
Max
Unit
EXPANDER PART
Standard Output Level (0dB)
V
O(EXP)
Vin=30mVrms=0dB
110
130
160
mVrms
G
V1(EXP)
Vin=-10dB
-0.5
0
+0.5
G
V2(EXP)
Vin=-20dB
-1.0
0
+1.0
Gain Difference
G
V3(EXP)
Vin=-30dB
-1.5
0
+2.0
dB
Bypath Gain Difference
G
VB(EXP)
Vin=0dB, BYPATH=GND
-2.5
0
+0.5
dB
Output Distortion
THD
EXP
Vin=0dB
--
0.5
1.5
%
Noise Output Voltage
V
NO(EXP)
Rg=620hm
--
10.0
30.0
Vrms
Mute Attenuation Ratio
ATT
MUTE
Vin=0dB, EMUTE=GND
60
80
--
dB
Max. Output Voltage
V
OEXP(MAX)
THD=10%
700
800
--
mVrms
PIN DESCRIPTION
Pin No.
Symbol
Description
Pin No. Symbol
Description
1
FO
Filter Amp Output
11
CMUTE
Compressor Mute
2
FI
Filter Amp Input
12
BYPATH No Companding
3
CO
Compressor Output
13
EMUTE
Expander Mute
4
DI
Data Input
14
EB
Expander Reference Bias
5
AGIC
AC Gain Infinity Capacitor
15
EPI+
Expander Non-inverting Input
6
CRC
Compressor Rectifier Capacitor
16
EPI-
Expander Inverting Input
7
CPI-
Compressor Inverting Input
17
DO
Data Output
8
CPI+
Compressor Non-inverting Input
18
ERC
Expander Rectifier Capacitor
9
CB
Compressor Reference Bias
19
EO
Expander Output
10
GND
Ground
20
Vcc
Supply Voltage
Silan
Semiconductors
SA8507
HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD
REV: 1.1 2001-11-30
4
TEST CIRCUIT
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
18
17
FO
FI
CO
DI
AGIC
CRC
CPI-
CPI+
CB
Vcc
EO
ERC
DO
EPI-
EPI+
EB
EMUTE
BYPATH
SA
85
07B
20
19
GND
CMUTE
COMP OUT
1F
10k
100k
1F
22uF
2.2uF
9.1k
0.47uF
474
620
COMP
IN
4.7uF
SW1
SW2
SW3
100k
474
620
EXP IN
1.0F
100k
51k
50pF
2.2uF
1.0uF
10uF
Vcc
EXP OUT
APPLICATION CIRCUIT
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
18
17
20
19
REG
LOGIC
Exp
+
-
+
-
+
-
+
-
REG
Vcc
Speaker
390k
473
2.2
F
33k
10k
0.
47
F
47
3
10
4
10
F
47k
Data
Output
Expander
Input
Expander
Mute
Compressor
Mute
33k
TO TX
Modulation
104
5.6k
13
2
101
1
20k
39
k
33
k
473
22
F
22
F
1
F
8.2k
22
3
10
3
2.
2k
MC
47
F
Silan
Semiconductors
SA8507
HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD
REV: 1.1 2001-11-30
5
PACKAGE OUTLINE
DIP-20-300-2.54
UNIT: mm
6.40
2.54
3.51
7.62
0.25
15 degree
0.46
22.95
1.50
5.08
3.30
SOP-20-375-1.27
UNIT: mm
10.45
7.70
9.53
1.95
18.02
17.62
1.27
0.41