tea5705 STMicroelectronics, tea5705 Datasheet - Page 6

• Manufacturer Part Number: tea5705
• Description: Advanced 4-head Play-back And Record Amplifier For Vcr
• Manufacturer: STMicroelectronics

ELECTRICAL OPERATING CHARACTERISTICS (T
Switching Levels
TEA5705
* Depending on capacitance on Pin V
INPUT/OUTPUTS EQUIVALENT INTERNAL DIAGRAM
Pins : C1-SP, C2-SP, C1-LP, C2-LP
6/10
Symbol
V
V
V
V
I
I
I
I
V
V
SWMH
SWHH
SWHL
SWML
t
SWHH
SWMH
SWHL
SWML
t
OFF
ON
TH1
TH2
t
t
t
t
1
2
3
4
Head Selection Pin SW-H
Mode Selection Pin SW-M
(Record mode and play-back mode)
Selection Pin SW-H or SW-M
Transient Response
Inhibition Threshold Hysteresis for
Switching from Play-back to record
on Pin V
Inhibition Threshold Hysteresis for
Switching from Record to Play-back
on Pin V
Transient Response of Record
Scanning on Pin V
REC
REC
400
7.5k
Parameter
REC
REC
; above values are according to the application diagram at page 9.
V
CC
Head number 1 in SP mode, 2 in LP
mode
Head number 2 in SP mode, 1 in LP
mode
Input current (5V)
Output current (0V)
LP Mode
SP mode
Input current (5V)
Output current (0V)
Output signal appears on Pin CHROMA
Delay time selection ON
Delay time selection OFF
V
V
Delay from play-back to record
(signal disappears on Pin CHROMA)
Delay from record to play-back
(signal appears on Pin CHROMA)
Delay from play-back to record (signal
appears on Pin I
Delay from record to play-back (signal
disappears on Pin I
CC
CC
= 5V
= 5V
amb
Test Conditions
Pins : SW-H, SW-M
= 25
OUT
OUT
-SP, I
o
C unless otherwise specified) (continued)
-SP, I
OUT
OUT
-LP)
47k
-LP)
Min.
0.15
2.4
-50
2.4
-50
0
5
0
5
1k
10k
Typ.
100
100
-20
-20
0.3
32*
0.2
11*
15
15
80
10
15k
10k
V
Max.
CC
V
500
500
1.5
1.5
0.5
50
50
0
5
0
CC
Unit
mV
ms
ms
ms
ns
V
V
V
V
V
A
A
A
A
s