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TEA5705 Datasheet(PDF) 3 Page - STMicroelectronics

Part # TEA5705
Description  ADVANCED 4-HEAD PLAY-BACK AND RECORD AMPLIFIER FOR VCR
PDF  10 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TEA5705 Datasheet(HTML) 3 Page - STMicroelectronics

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ABSOLUTE MAXIMUM RATINGS
Symbol
Parameter
Value
Unit
VCC
Power Supply Voltage
6
V
VREC
Power Supply Voltage Record
15
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
Typ.
70
oC/W
RECOMMENDED OPERATING CONDITIONS (Tamb =25
oC)
Symbol
Parameter
Min.
Typ.
Max.
Unit
VCC
Power Supply Voltage
4.5
5
5.5
V
VREC
Power Supply Voltage Record
4.75
11.3
12.6
V
CAGC
Capacitance at Pin CAGC
4.7
nF
CSPLP
Capacitance at Pin CSPLP
4.7
nF
ELECTRICAL OPERATING CHARACTERISTICS (Tamb =25
oC unless otherwise specified)
Power Consumption
Parameter
Play-Back
Record (1)
Typ.
Max.
Typ.
Max.
VCC
55mA
70mA
40mA
50mA
VREC
0mA
0mA
27mA
33mA
Total
Consumption (2)
VCC =5V, VREC = 9V
250mW
478mW
VCC = 5.5V, VREC = 9.45V
385mW
630mW
Notes : 1.
R1 = 18
Ω
2.
Taking in account only the consumption through the IC.
A great care should be taken to the maximum power consumption : VREC can be increased to 12.6V if the DC current flowing
through the head is reduced. This can be done by increasing R1 value. VREC can be reduced as long as voltage on Pins
IOUT-SP, IOUT-LP is not going under 1V (to forbid output stage saturation).
Play-back Mode
VCC = 5V, no load on Pins CHROMA,LUMA-
Symbol
Parameter
Test Conditions
Min.
Typ. Max.
Unit
ICC1
Supply Current
45
55
70
mA
CHROMA OUTPUT (no AGC)
GPB
Pre-amplification Gain
Sinewave 600 kHz
400mVPP on output
Input on Pin H1-SP or H2-SP, H1-LP or
H2-LP
57
60
63
dB
∆GPB1
Difference of Output Signal on
Pin CHROMA between Channel
1 and Channel 2 in SP Mode
Sinewave 600kHz
0.4mVPP on inputs H1-SP and H2-SP
-1.2
0
1.2
dB
∆GPB2
Difference of Output Signal on
Pin CHROMA between Channel
1 and Channel 2 in LP Mode
Sinewave 600kHz
0.4mVPP on inputs H1-LP and H2-LP
-1.2
0
1.2
dB
eN
Equivalent Input Voltage Noise
Level
Input grounded via switching transistor
on Pins H1-SP, H2-SP, H1-LP, H2-LP,
F = 600kHz
0.6
nV
⁄√
Hz
iN
Equivalent Input Current Noise
Pins H1-SP, H2-SP, H1-LP, H2-LP
1.7
pA
⁄√
Hz
TEA5705
3/10



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