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4-HEAD PLAYBACKAND RECORD AMPLIFIERFOR VCR
.
ONE 5V POWERSUPPLY
.
PLAYBACK/RECORD MODE SELECTION
THROUGHA LOGIC INPUT
.
SO20PACKAGE
.
NO ADJUSTMENT FOR LUMINANCE RECORDING
PLAYBACK MODE
.
LOW NOISE AND WIDE BAND AMPLIFIERS
FOR4 HEADS
.
AUTOMATIC OFFSET CANCELLATION BETWEENTHE2 SELECTEDHEADS
.
ONE PLAYBACKOUTPUT
.
ONE OUTPUT FOR AUTOMATIC VIDEO
TRACKING
.
SP/LPENVELOPECOMPARATOR
.
SHORT-CIRCUIT SWITCHES ON UNUSED
HEADS
RECORDMODE
.
RECORD AGC AMPLIFIER SAMPLED BY
SYNCHROSIGNAL
.
RECORDING SIGNAL LEVEL ADJUSTABLE
BYEXTERNALRESISTOR
.
SHORT-CIRCUIT SWITCHES ON UNUSED
HEADS
SO20
(PlasticPackage)
ORDER CODE :
STV5726A
STV5726A
PIN CONNECTIONS
February 1997
I
OUT
V1 SP
V2 SP
H1 SP
H2 SP
H2 LP
H1 LP
V2 LP
V1 LP
SP
GND1
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
CAGCREC
RECIN/SWS
TRIV
CSYN
GND2
YCPB/SWR
V
CC
SWIN
ENVC
I
LP
OUT
5726A-01.EPS
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STV5726A
BLOCKDIAGRAM
CAGCREC
CSYNC
RECIN/SWS
AGC
I LP
OUT
SW-M
V
CC
TRIV
CSYNC
C
IN OUT
FF
CSYN
GND2
YCPB/SWR
LP
CC
V
SWIN
ENVC
OUT
I
11121314151617181920
S
T
SW-LP
V
5
I LP
OUT
7
2
6
V
CC
A
SW-SP
12345678910
SP
OUT
I
SWREC-SP
SW1-SP SW1-LPSW2-LPSW2-SP
V1 SP
V2 SP
60dB 60dB 60dB 60dB
H1 SP
H2 SP
GND1
H2 LP
H1 LP
SWREC-LP
V2 LP
V1 LP
ABSOLUTE MAXIMUMRATINGS
Symbol Parameter Value Unit
V
CC
T
T
oper
Power Supply Voltage 6 V
Junction Temperature 150
j
Operating Temperature 0, +70
THERMAL DATA
Symbol Parameter Value Unit
R
th (j-a)
Junction-ambient Thermal Resistance Max. 75
RECOMMENDEDOPERATING CHARACTERISTICS
Symbol Parameter Min. Typ. Max. Unit
V
CC
CAGC Capacitance on Pin CAGCREC 4.7 nF
RECADJ Record Biasing Resistor 10 33 kΩ
Power Supply 4.75 5 5.25 V
o
C/W
5726A-02.EPS
o
C
o
C
5726A-01.TBL
5726A-02.TBL
5726A-03.TBL
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