NTE NTE15038

NTE15038
Integrated Circuit
Chroma Signal Proessor for VHS VCR
Features:
D Adjustment–Free 3.58MHz VXO Free–Running OSC Frequency, 160fH VCO Free–Running OSC
Frequency, Carrier Leak, PB Chroma Level, except REC Chroma Level.
D Multifunctional:
2fSC 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
3rd 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: (TA = +25°C unless otherwise specified)
Maximum Supply Voltage, VCCmax . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7V
Allowable Power Dissipation (TA ≤ +65°C), PDmax . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 400mW
Operating Temperature Range, Topg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –10° to +65°C
Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –40° to +125°C
Recommended Operating Conditions: (TA = +25°C unless otherwise specified)
Recommended Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5.2V
Operating Voltage Range, VCCop . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.8 to 5.5V
Electrical Characteristics: (TA = +25°C, VCC = 5V unless otherwise specified)
Parameter
Symbol
Test Conditions
Min
Typ
Max
Unit
REC Current Dissipation
ICC(R)
38
48
58
mA
REC Output Level
VO(R)
210
300
390
mVP–P
–0.5
0
+0.5
dB
REC ACC Characteristics
∆VO(R)
Input ± 6dB
ACC Killer Input Level
VACK
–28
–25
–22
dB
VXO Control Sensitivity
SVXO
2.5
3.7
5.5
Hz/mV
VVXO(R)
0.65
0.85
1.00
VP–P
VXO OSC Level
Electrical Characteristics (Cont’d): (TA = +25°C, VCC = 5V unless otherwise specified)
Parameter
Symbol
Min
Typ
Max
Unit
VSUB
200
250
300
mVP–P
BGP Delay Time
tD
–
3.2
–
µs
BGP Width
tW
–
4.8
–
µs
REC APC Pull–in Range
∆fAPC
±350
–
–
Hz
REC AFC Pull–in Range
∆fAFC
±1.5
–
–
kHz
160fH VCO Control Sensitivity
SVCO
0.42
0.60
0.78
kHz/mV
PB Current Dissipation
ICC(P)
40
50
60
mA
PB Output Level
VO(P)
575
660
760
mVP–P
–0.5
–
+0.5
dB
–
–40
–33
dB
520
650
800
mVP–P
–7
0
+7
Hz
Subconverter Output Level
∆VO(P)
PB ACC Characteristic
PB Main Converter Carrier Leak
PB XO Output Level
Test Conditions
Input ± 6dB
CL(p)
4.21MHz component
VXO(P)
PB XO Free–Running Frequency
fXO(f)
2fSC Output Amplitude
V2fsc
420
600
780
mVP–P
Burst Emphasis Amount
GBE
5.5
6.0
6.5
dB
Burst De–emphasis
GBD
–5.5
–5.25
–5.0
dB
GCOMB
11
13
15
dB
Comb Amp Gain
Difference from 3579545Hz
Pin Connection Diagram
Comb Amp Out
1
24 PB Amp Input
ACC Filter
2
23 PB 3.58MHz Output
3.58MHz Input
3
22 SW30/LP
Bypass
4
21 Video Input
3.58MHz Output
5
20 VCC
GND
6
19 XO Input
PB 629kHz Input
7
18 XO Output
SLD Output
8
17 2fSC Output
Rec 629kHz Input
9
16 VCO Tank
160fH VCO Filter 10
4.21MHz Input 11
Color Killer Filter 12
15 Rec APC Filter
14 Sync Input/BPG Output
13 4.21MHz Output
24
13
1
12
.834 (21.1)
.251 (6.4)
.150
(3.8)
.070 (1.78)
.770 (19.5)
.129
(3.27)
.300 (7.62)