NTE15038
Integrated Circuit
Chroma Signal Proessor for VHS VCR
Features:
D
AdjustmentFree 3.58MHz VXO FreeRunning OSC Frequency, 160f
H
VCO FreeRunning OSC
Frequency, Carrier Leak, PB Chroma Level, except REC Chroma Level.
D
Multifunctional:
2f
SC
Generator for CCD Drive
PB Chroma (629K) Level Compensation Amp
Function to Select APC Loop Input Signal Passed/Not Passed Through Comb Filter
BGP Output
3
rd
Lock Protector of 3.58MHz OSC
D
LPF Usable for REC/PB
D
Capable of Being Operated from 5V Supply
D
Current Dissipation: 48mA at REC mode
50mA at PB mode
D
Few External Components Required
Absolute Maximum Ratings: (T
A
= +25
C unless otherwise specified)
Maximum Supply Voltage, V
CC
max
7V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Allowable Power Dissipation (T
A
+65
C), P
D
max
400mW
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating Temperature Range, T
opg
10
to +65
C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage Temperature Range, T
stg
40
to +125
C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Recommended Operating Conditions: (T
A
= +25
C unless otherwise specified)
Recommended Supply Voltage, V
CC
5.2V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating Voltage Range, V
CC
op
4.8 to 5.5V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Electrical Characteristics: (T
A
= +25
C, V
CC
= 5V unless otherwise specified)
Parameter
Symbol
Test Conditions
Min
Typ
Max
Unit
REC Current Dissipation
I
CC(R)
38
48
58
mA
REC Output Level
V
O(R)
210
300
390
mV
PP
REC ACC Characteristics
V
O(R)
Input
6dB
0.5
0
+0.5
dB
ACC Killer Input Level
V
ACK
28
25
22
dB
VXO Control Sensitivity
S
VXO
2.5
3.7
5.5
H
z
/mV
VXO OSC Level
V
VXO(R)
0.65
0.85
1.00
V
PP
Electrical Characteristics (Cont'd): (T
A
= +25
C, V
CC
= 5V unless otherwise specified)
Parameter
Symbol
Test Conditions
Min
Typ
Max
Unit
Subconverter Output Level
V
SUB
200
250
300
mV
PP
BGP Delay Time
t
D
3.2
s
BGP Width
t
W
4.8
s
REC APC Pullin Range
f
APC
350
Hz
REC AFC Pullin Range
f
AFC
1.5
kHz
160f
H
VCO Control Sensitivity
S
VCO
0.42
0.60
0.78
kHz/mV
PB Current Dissipation
I
CC(P)
40
50
60
mA
PB Output Level
V
O(P)
575
660
760
mV
PP
PB ACC Characteristic
V
O(P)
Input
6dB
0.5
+0.5
dB
PB Main Converter Carrier Leak
CL
(p)
4.21MHz component
40
33
dB
PB XO Output Level
V
XO(P)
520
650
800
mV
PP
PB XO FreeRunning Frequency
f
XO(f)
Difference from 3579545Hz
7
0
+7
Hz
2f
SC
Output Amplitude
V
2fsc
420
600
780
mV
PP
Burst Emphasis Amount
G
BE
5.5
6.0
6.5
dB
Burst Deemphasis
G
BD
5.5
5.25
5.0
dB
Comb Amp Gain
G
COMB
11
13
15
dB
2f
SC
Output
V
CC
160f
H
VCO Filter
4.21MHz Output
Color Killer Filter
Sync Input/BPG Output
Rec APC Filter
VCO Tank
XO Output
XO Input
Video Input
SW30/LP
PB Amp Input
Bypass
1
2
3
4
Comb Amp Out
ACC Filter
3.58MHz Input
5
3.58MHz Output
6
GND
7
PB 629kHz Input
8
SLD Output
24
23
22
21
20
19
18
17
9
Rec 629kHz Input
16
10
11
4.21MHz Input
15
14
12
13
PB 3.58MHz Output
Pin Connection Diagram
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