NTE15038
Integrated Circuit
Chroma Signal Proessor for VHS VCR
Features:
D
Adjustment–Free 3.58MHz VXO Free–Running OSC Frequency, 160f
H
VCO Free–Running 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
REC Current Dissipation
REC Output Level
REC ACC Characteristics
ACC Killer Input Level
VXO Control Sensitivity
VXO OSC Level
Symbol
I
CC(R)
V
O(R)
∆V
O(R)
V
ACK
S
VXO
V
VXO(R)
Input
±
6dB
Test Conditions
Min
38
210
–0.5
–28
2.5
0.65
Typ
48
300
0
–25
3.7
0.85
Max
58
390
+0.5
–22
5.5
1.00
Unit
mA
mV
P–P
dB
dB
H
z
/mV
V
P–P
Electrical Characteristics (Cont’d):
(T
A
= +25°C, V
CC
= 5V unless otherwise specified)
Parameter
Subconverter Output Level
BGP Delay Time
BGP Width
REC APC Pull–in Range
REC AFC Pull–in Range
160f
H
VCO Control Sensitivity
PB Current Dissipation
PB Output Level
PB ACC Characteristic
PB Main Converter Carrier Leak
PB XO Output Level
PB XO Free–Running Frequency
2f
SC
Output Amplitude
Burst Emphasis Amount
Burst De–emphasis
Comb Amp Gain
Symbol
V
SUB
t
D
t
W
∆f
APC
∆f
AFC
S
VCO
I
CC(P)
V
O(P)
∆V
O(P)
CL
(p)
V
XO(P)
f
XO(f)
V
2fsc
G
BE
G
BD
G
COMB
Pin Connection Diagram
Test Conditions
Min
200
–
–
±350
±1.5
0.42
40
575
Typ
250
3.2
4.8
–
–
0.60
50
660
–
–40
650
0
600
6.0
–5.25
13
Max
300
–
–
–
–
0.78
60
760
+0.5
–33
800
+7
780
6.5
–5.0
15
Unit
mV
P–P
µs
µs
Hz
kHz
kHz/mV
mA
mV
P–P
dB
dB
mV
P–P
Hz
mV
P–P
dB
dB
dB
Input
±
6dB
4.21MHz component
Difference from 3579545Hz
–0.5
–
520
–7
420
5.5
–5.5
11
Comb Amp Out
ACC Filter
3.58MHz Input
Bypass
3.58MHz Output
GND
PB 629kHz Input
SLD Output
Rec 629kHz Input
1
2
3
4
5
6
7
8
9
24
PB Amp Input
23
PB 3.58MHz Output
22
SW30/LP
21
Video Input
20
V
CC
19
XO Input
18
XO Output
17
2f
SC
Output
16
VCO Tank
15
Rec APC Filter
14
Sync Input/BPG Output
13
4.21MHz Output
160f
H
VCO Filter
10
4.21MHz Input
11
Color Killer Filter
12
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