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STV5728 Datasheet(PDF) 3 Page - STMicroelectronics

Part No. STV5728
Description  4-HEAD VIDEO AND 2-HEADS HIFI AUDIO PLAYBACK AND RECORD AMPLIFIER FOR VCR
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Maker  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
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STV5728 Datasheet(HTML) 3 Page - STMicroelectronics

 
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R
ADJ Value (kΩ)
Recording Level
Figure 1 : FM Record Current Amplifier ; Record Current Adjustment Curve
A certain ratio must be kept between RADJ and
RFMIN to insure maximum performances with an
average FM recording input voltage arou nd
170mVPP. Some examples are given in the follow-
ing tables. If the average input voltage is higher (or
lower), the RFMRIN value must be increased (de-
creased) proportionnaly.
SET-UP
RADJ
RFMRIN
(1)
15k
1k
(2)
22k
1.5k
(3)
33k
2k
ABSOLUTE MAXIMUM RATINGS
Symbol
Parameter
Value
Unit
VCC
Power Supply Voltage
6
V
Tj
Junction Temperature
150
oC
Toper
Operating Temperature
0, +70
oC
THERMAL DATA
Symbol
Parameter
Value
Unit
Rth (j-a)
Junction-ambient Thermal Resistance
(IC solded on the PC board)
Max.
75
oC/W
RECOMMENDED OPERATING CHARACTERISTICS
Symbol
Parameter
Min.
Typ.
Max.
Unit
VCC
Power Supply
4.75
5
5.25
V
VCCFM
FM HIFI Power Supply
4.75
5
5.25
V
CAGC
AGC Time Constant
4.7
22
nF
CCOM
Decoupling Capacitor
4.7
470
nF
CCOM1
Decoupling Capacitor
4.7
470
nF
RADJ
Record Current Adjustment Resistor
15
22
33
k
STV5728
3/11


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