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PDF GL6552 Data sheet ( Hoja de datos )
| Número de pieza | GL6552 | |
| Descripción | Low Voltage Compander | |
| Fabricantes | Hynix Semiconductor | |
| Logotipo |  |
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GL6552
GL6552
Low Voltage Compander
General Descriptions
The GL6552 is a Compander IC, which
contains two variable gain circuits configured
for compressing and expanding the dynamic
range, and improving of S/N ratio of audio
signal. It consists of compressor, expander, Mic
Amp, limiter, ALC(Automatic Level
Control)and mute logic. The compressor circuit
has the 2/1 ratio of input/output ratio by
logarithm, and the expander circuit by
logarithm. An internal, temperature stable
bandgap reference provides the necessary
precision voltage and current. Applications
include cordless telephone and most voice RF
links.
Features
• Operating Supply Voltage: 2 ~ 6 V
• Built in ALC circuit
• Built in Mute logic circuit
• Easy gain control to use external component
Pin Configuration
VREF
EXP IN
EXP RECT
EXP OUT
EXP MUTIEN
COMP MUTE
GND
GL6552
VCC
ALC
COMP OUT
C-ACF
COMP RECT
COMP NF
COMP IN
14 DIP, 14 SOP(150mil)
Absolute Maximum Ratings(Ta = 25¡ É.)
Parameter
Symbol
Spec.
Unit Remark
Max. Supply Voltage VCC, MAX 7 V
Power Dissipation
PD.MAX
600 mW
Storage Temperature
TSTG
-55 ~+150
¡É
Stress above those listed under “Absolute Maximum Rating” may cause permanent damage of device.
This is stress rating only and functional operation of the device at these or any other conditions above
those indicated in the operational sections of this specification is not implied.
Exposure to absolute maximum rating conditions for longer periods may affect device reliability.
During overload conditions (VIN > VCC or VIN <GND), those voltage on VCC pins with respect to ground
must not exceed the values defined by the absolute maximum ratings.
Operating Conditions (Ta = 25¡ É)
Parameter
Operating Voltage
symbol
VOP
Spec.
2~6
Unit Remark
V
Operating Temperature
TOP
-20 ~ +70
¡É
1
1 page  
Test Circuit
K1
MP1
3.3 § Þ K2
1§ Þ
AS2 680
K3
K4
MP2
K5
MP3 0.1 § Þ K6
K7
MP4
M2
2.2 § Þ K8
K9
1§ Þ
10K
MP5
SW1
SW2
MP6
GL6552
K21
MP13
K20
MP12
1§ Þ
K19 10K M1
K18 0
22 § Þ
K17
MP11
K16
K15 0.1 § Þ
K14 2.2 § Þ
MP10
K13
MP9
K12 0.47 § Þ
9.1K
K11 0
K10 0.015 § Þ
MP8
AS1
680
5
5 Page | ||
| Páginas | Total 6 Páginas | |
| PDF Descargar | [ Datasheet GL6552.PDF ] | |
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