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TEA5705 Datasheet(PDF) 6 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) 6 Page - STMicroelectronics

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ELECTRICAL OPERATING CHARACTERISTICS (Tamb =25
oC unless otherwise specified) (continued)
Switching Levels
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
VSWHH
Head Selection Pin SW-H
Head number 1 in SP mode, 2 in LP
mode
2.4
VCC
V
VSWHL
Head number 2 in SP mode, 1 in LP
mode
0
1.5
V
ISWHH
Input current (5V)
5
15
50
µA
ISWHL
Output current (0V)
-50
-20
0
µA
VSWMH
Mode Selection Pin SW-M
(Record mode and play-back mode)
LP Mode
2.4
5
V
VSWML
SP mode
0
1.5
V
ISWMH
Input current (5V)
5
15
50
µA
ISWML
Output current (0V)
-50
-20
0
µA
tON
tOFF
Selection Pin SW-H or SW-M
Transient Response
Output signal appears on Pin CHROMA
Delay time selection ON
Delay time selection OFF
100
100
500
500
ns
VTH1
Inhibition Threshold Hysteresis for
Switching from Play-back to record
on Pin VREC
VCC = 5V
0.15
0.3
0.5
V
VTH2
Inhibition Threshold Hysteresis for
Switching from Record to Play-back
on Pin VREC
VCC =5V
80
mV
t1
Transient Response of Record
Scanning on Pin VREC
Delay from play-back to record
(signal disappears on Pin CHROMA)
10
µs
t2
Delay from record to play-back
(signal appears on Pin CHROMA)
32*
ms
t3
Delay from play-back to record (signal
appears on Pin IOUT-SP, IOUT-LP)
0.2
ms
t4
Delay from record to play-back (signal
disappears on Pin IOUT-SP, IOUT-LP)
11*
ms
* Depending on capacitance on Pin VREC ; above values are according to the application diagram at page 9.
INPUT/OUTPUTS EQUIVALENT INTERNAL DIAGRAM
V
CC
400
Ω
7.5k
Ω
Pins : C1-SP, C2-SP, C1-LP, C2-LP
47k
Ω
CC
V
10k
Ω
10k
Ω
15k
Ω
1k
Ω
Pins : SW-H, SW-M
TEA5705
6/10



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