NTE7151
Integrated Circuit
I
2
C Bus Control NTSC 1Chip Color TV IC
Description:
The NTE7151 is an integrated circuit in a 56Lead DIP type package designed for use as a PIF, SIF,
video, chroma and deflection circuit for NTSC color TVs. This device also provides audio/video
switching and a text interface.
Features:
PIF Circuit
D
PLL Type IF Demodulation (Bus Alignment)
D
Adjustment Free AFT Without Tank Coil
D
RF AGC Output (Delay Point: Bus Alignment)
D
Dual Time Constant Fast AGC
Video Circuit
D
Black Stretcher
D
DC Restoration Circuit
D
D.L. Aperture Compensate Circuit (Bus Control)
D
UniColor Circuit (Bus Control)
D
3.58MHz Trap Filter Circuit (Bus ON/OFF)
D
Y Delay Line Circuit
D
Internal Filter AutoAdjust Circuit (F
SC
Link Type)
Chroma Circuit
D
Color Control Circuit (Bus Control)
D
Tint Control Circuit (Bus Control)
D
B.P.F. / T.O.F. Circuit (Bus Select)
D
Included ACC/Killer Filter
SIF Circuit
D
Inter Carrier SIF System
D
External Sound Select Switch (Bus Select)
D
Attenuator Circuit (Bus Control)
Text Circuit
D
Linear RGB Input
D
Cut Off/Drive Adjustment (Bus Adjustment)
D
RGB Primary Color Output
Deflection Circuit
D
Adjustment Free Countdown System
D
Sync. Separation Output
D
XRay Protect Circuit
D
Vertical Amplitude Adjustment (Bus Adjustment)
D
Vertical Ramp Output
D
Dual Time Constant AFC Circuit
D
AutoSlicer Type High Performance Sync. Separation Circuit
D
Horizontal and Vertical Position Adjustment (Bus Adjustment)
Absolute Maximum Ratings: (T
A
= +25
C unless otherwise specified)
Power Supply Voltage, V
CC
12V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Power Dissipation, P
D
max
2.19W
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Derate Above 25
C
17.5mW/
C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Input Terminal Voltage, V
in
GND0.3V to V
CC
+0.3V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Input Signal Amplitude, e
in
4V
PP
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating Temperature Range, T
opr
20
to +65
C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage Temperature Range, T
stg
55
to +150
C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Recommended Operating Conditions:
Parameter
Symbol
Test Conditions
Min
Typ
Max
Unit
PIF Power Supply Voltage
V
CCP
8.5
9.0
9.5
V
SIF Power Supply Voltage
V
CCS
8.5
9.0
9.5
V
V/C/D Power Supply Voltage
V
CCV
8.5
9.0
9.5
V
H. V
CC
Power Supply Voltage
H. V
CC
8.5
9.0
9.5
V
D. V
CC
Power Supply Voltage
D. V
CC
2.7
3.3
3.8
V
TV External Video Input Level
V
in37/39
Including Sync.
1.0
V
PP
Standard Video Input Level
V
in43
Including Sync.
1.0
V
PP
Standard Chroma Input Level
V
in45
At Burst Signal
286
mV
PP
FBP Width
T
FBP
V
th
= 1.4V, V
CC
= 1.4V
10
12
s
FBP Input Flow In Current
I
FBP
max
2
mA
PIF Output Load Resistor
R
OP
2.0
8.2
k
SIF Output Load Resistor
R
OS
1.0
8.2
k
RGB Output Load Resistor
R
ORGB
1.8
k
Horizontal Output Load Resistor
R
HOUT
maximum 10mA
330
800
Vertical Output Load Resistor
R
VOUT
4.1
5.7
k
Sync.Separation Output Flow In Current
I
sync
max
1
mA
DC Electrical Characteristics: (V
CC
= 9V, H. V
CC
= 9V, T
A
= +25
C unless otherwise specified)
Parameter
Symbol
Test Conditions
Min
Typ
Max
Unit
Sound Output (Pin1)
V
1
3.2
3.7
4.2
V
Sound Output (Pin2)
V
2
3.2
3.7
4.2
V
RF AGC (Pin3)
V
3
0.0
0.5
V
AGC Filter (Pin5)
V
5
7.0
7.5
8.0
V
PIF GND (Pin6)
GND
0.0
V
PIF Input (Pin7)
V
7
1.5
2.0
2.5
V
PIF Input (Pin8)
V
8
0.0
0.5
V
PIF V
CC
(Pin9)
V
CC
9.0
V
Loop Filter (Pin10)
V
10
4.5
V
APC Filter (Pin11)
V
11
6.0
6.5
7.0
V
VCXO (Pin12)
V
12
5.3
5.8
6.3
V
V/C/D GND (Pin13)
GND
0.0
V
FBLK (Pin14)
V
14
0.0
V
Analog R Input (Pin15)
V
15
4.4
4.9
5.4
V
Analog G Input (Pin16)
V
16
4.4
4.9
5.4
V
Analog B Input (Pin17)
V
17
4.4
4.9
5.4
V
DC Electrical Characteristics (Cont'd): (V
CC
= 9V, H. V
CC
= 9V, T
A
= +25
C unless otherwise
specified)
Parameter
Symbol
Test Conditions
Min
Typ
Max
Unit
D. V
CC
(Pin18)
V
CC
3.3
V
R Output (Pin19)
V
19
BRT, C.O Cent
2.4
2.7
2.9
V
G Output (Pin20)
V
20
BRT, C.O Cent
2.4
2.7
2.9
V
B Output (Pin21)
V
21
BRT, C.O Cent
2.4
2.7
2.9
V
V SEPA (Pin25)
V
25
5.8
6.3
6.8
V
H. V
CC
(Pin26)
V
26
9.0
V
SCL (Pin27)
V
27
4.5
5.0
5.5
V
SDA (Pin28)
V
28
4.5
5.0
5.5
V
XRAY (Pin29)
V
29
0.0
V
H. AFC (Pin33)
V
33
7.0
7.5
8.0
V
32f
H
VCO (Pin34)
V
34
5.5
6.0
6.5
V
D. GND (Pin35)
GND
0.0
V
ABL (Pin36)
V
36
BRT, COL Cent
2.9
3.4
3.9
V
TV Input (Pin37)
V
37
2.9
3.0
3.9
V
ACL (Pin38)
V
38
BRT, COL Cent
2.9
3.4
3.9
V
EXT. Video Input (Pin39)
V
39
1.1
1.6
2.1
V
Black DET (Pin40)
V
40
6.1
6.6
7.1
V
AV/SW Output (Pin41)
V
41
1.8
2.3
2.8
V
DC Rest (Pin42)
V
42
5.5
6.0
6.5
V
Y Input (Pin43)
V
43
4.0
4.5
5.0
V
AFT (Pin44)
V
44
2.0
2.5
3.0
V
Chroma Input (PIn45)
V
45
1.6
1.85
2.1
V
V / C / D V
CC
(Pin46)
V
46
9.0
V
TV DET. Output (Pin47)
V
47
4.7
5.2
5.7
V
SIF V
CC
(Pin48)
V
CC
9.0
V
SIF GND (Pin51)
GND
0.0
V
Limiter Input (Pin52)
V
52
0.0
0.5
V
Audio TV Input (Pin53)
V
53
2.5
3.0
3.5
V
DeEmphasis (Pin54)
V
54
Pin4 GND
4.0
4.5
5.0
V
EXT. Audio Input (Pin55)
V
55
2.5
3.0
3.5
V
EXT. Audio Input (Pin56)
V
55
2.5
3.0
3.5
V
Current Consumption
IF Power Supply Current
I
cci
32.8
46.0
52.0
mA
V / C / D Power Supply Current
I
ccv
52.7
71.0
76.8
mA
H. V
CC
Power Supply Current
I
cch
10.7
14.0
18.4
mA
D. V
CC
Power Supply Current
I
ccd
5.2
10.0
11.6
mA
AC Electrical Characteristics: (V
CC
= 9V, H. V
CC
= 9V, T
A
= +25
C unless otherwise specified)
Parameter
Symbol
Test Conditions
Min
Typ
Max
Unit
PIF
Video Detected Output Level
V
O1
1.7
2.0
2.3
V
PP
V
O2
2.0
2.5
3.0
V
PP
Input Sensitivity
V
IN
min
42
dB
V
V
IN
max
100
107
dB
V
Sync Tip Level
V
SYNC
2.6
2.9
3.2
V
Output Level for No Input
V
IF
4.8
5.2
5.6
V
Differential Gain
DG
2
5
%
Differential Phase
DP
2
5
DEG
PIF Output Frequency Characteristics
f
c
5
7
MHz
Carrier Wave Compression Ratio
CR
50
55
dB
2
nd
Harmonics Compression Ratio
HR
50
55
dB
PIF Input Resistance
R
iPIF
1.5
k
PIF Input Capacitance
C
iPIF
3.8
pF
Signal to Noise Ratio
S/N
52
55
dB
920kHz Beat
I
9200
42
45
dB
IF AGC Range
RW
AGC
61
65
69
dB
IF AGC Voltage
V
5MEAN
4.2
4.5
4.8
V
V
5
max
7.4
7.6
V
V
5
min
3.8
V
RF AGC Voltage
V
3
max
7.7
8.2
V
V
3
min
0.0
0.5
V
RF AGC Control Range
D
G
RFAGC
35
40
dB
AFT Center Voltage
V
4CENT
2.2
2.5
2.8
V
AFT Voltage
V
4
max
4.4
4.8
V
V
4
min
0.2
0.5
V
AFT Sensitivity
m
AFT
40
kHz/V
AFT Output Resistance
R
AFTOUT
40
50
60
k
PIF VCO Control Sensitivity
b
IFVCO
2.0
2.5
MHz/V
PIF VCO PullIn Range
f
ph
1.0
1.5
MHz
f
pl
1.0
1.5
MHz
PIF VCO Control Range
f
PIFVCO
4.4
MHz
SIF
Sound Output Level
V
AAC
400
500
600
mV
rms
V
ADC
4.5
V
Sound Distortion
V
AUDIO
0.3
1.0
%
AMR
AMR
50
60
dB
Limiting Sensitivity
V
LIM
35
dB
V
Sound Output Frequency Characteristics
f
AUDIOH
130
kHz
f
AUDIOL
130
kHz
Sound Output Resistance
R
SOUT
24
30
36
k
AC Electrical Characteristics (Cont'd):
(V
CC
= 9V, H. V
CC
= 9V, T
A
= +25
C unless otherwise
specified)
Parameter
Symbol
Test Conditions
Min
Typ
Max
Unit
ATT
ATT Gain
G
ATTMAXE
2.0
0.0
+2.0
dB
G
ATTMAXT
4.0
6.0
8.0
dB
G
ATTMEAN
16
12
9
dB
G
ATTMIN
99
85
dB
DC Voltage Drift
V
1VAR
50
mV
V
1DC
3.2
3.7
4.2
V
Input Impedance
R
i53
30
k
R
i55
47
k
Balance Characteristics
B
MAX
45
58
70
dB
B
MIN
70
58
45
dB
Video
Input Impedance
R
i41
100
k
Input Dynamic Range
V
di41
1.0
1.2
1.5
V
Video Total Gain
G
Y
4.5
5.0
Video Frequyency Characteristic
f
Y
6.0
7.0
MHz
Maximum Output
V
do1
7.5
8.0
V
Black Expansion Amp Gain
G
BAMP
1.18
1.43
1.68
Black Expansion Start Point
G
BSTP
40
50
60
IRE
DC Restoration
T
DC
100
103
105
%
Sharpness Control Characteristics
G
SHcent
1
4
7
dB
G
SHmax
9
12
15
dB
G
SHmin
18
15
dB
Sharpness Delay Time
t
SHDLY
125
ns
Contrast Control Characteristics
G
CNcent
4.5
6.0
7.5
dB
G
CNmin
22.5
24.0
28.5
dB
H. VBLK Output Voltage
V
BLK
0.7
1.0
V
VBLK Width
T
VBLK
3.5 to 24.0
H
f
sc
Trap Gain
G
TRAP
28
20
dB
OSD
OSD Switching Voltage
V
thOSD
0.7
1.0
1.3
V
OSD Delay Time
t
OSDDLY
15
30
ns
OSD Delay Time Difference
t
OSDD
5
10
ns
OSD Rising Time
t
R
15
30
ns
OSD Falling Time
t
F
15
30
ns
Input Clamp Voltage
V
OSDC
4.4
4.9
5.4
V
OSD Gain
G
OSD
1.8
2.0
2.2
Input Dynamic Range
V
diOSD
2.0
2.2
2.4
V
Cutoff Drive
Brightness Control Characteristics
V
BRTmax
3.6
4.0
4.3
V
V
BRTcen
2.4
2.7
3.0
V
V
BRTmin
1.0
1.4
1.7
V
AC Electrical Characteristics (Cont'd):
(V
CC
= 9V, H. V
CC
= 9V, T
A
= +25
C unless otherwise
specified)
Parameter
Symbol
Test Conditions
Min
Typ
Max
Unit
Cutoff Drive (Cont'd)
Brightness Control Difference Between 3 Axes
VRGB
50
0
+50
mV
Cutoff Control Characteristics
V
cutmax
0.5
0.65
0.8
V
V
cutcen
0.0
V
V
cutmin
0.8
0.65
0.5
V
Drive Control Characteristics
G
drvmax
3.75
4.25
4.75
dB
G
drvmin
4.0
3.5
3.0
dB
Chroma
Input Dynamic Range
V
di45
0.95
1.5
1.7
V
ACC Characteristics
e
a
23
20
17
dB
e
b
3
6
9
dB
A
0.9
1.0
1.1
Killer Point
EK
48
46
43
dB
VCXO Frequency Control Range
D
f
VCXO
500
600
Hz
VCXO Frequency Control Sensitivity
b
VCXO
1.0
Hz/mV
VCXO PullIn Range
f
VCXOPL
300
450
Hz
Demodulate Relative Gain
R/B
0.78
0.83
0.88
G/B
0.31
0.35
0.39
Demodulate Relative Phase
RB
84
91
98
DEG
GB
233
240
247
DEG
Carrier Wave Remain
E
CR
20
40
mV
PP
E
CB
20
40
mV
PP
E
CG
20
40
mV
PP
Color Control Characteristics
V
CLRmax
3.9
4.1
4.3
V
PP
G
CLRcen
4.5
6.0
7.5
dB
G
CLRmin
38
40
dB
UniColor Control Characteristics
G
UNIcen
4.5
6.0
7.5
dB
G
UNImin
22
24
26
dB
Tint Control Characteristics
q
TNTcen
7
0
+7
DEG
q
TNT
35
45
55
DEG
Video Chroma Delay Time
t
VC
30
0
+30
ns
Deflection
Horizontal Free Running Frequency
f
H
100
0
+100
Hz
H. Out Pulse Duty
T
H
38
41
44
%
H. Out Voltage
V
HL
0.2
0.3
V
V
HH
2.5
3.0
3.5
V
VCO OSC Start Voltage
V
OSCmin
3.0
3.5
4.0
V
H. Out Start Voltage
V
HST
3.7
4.0
V
H. Frequency Control Range
D
f
H
500
650
Hz
H. Frequency Control Sensitivity
b
H
500
Hz/V
H. Sync PullIn Range
D
f
HPUL
450
500
Hz
H. PullIn Stop Period
T
HSTP
259 to 272
H
AC Electrical Characteristics (Cont'd):
(V
CC
= 9V, H. V
CC
= 9V, T
A
= +25
C unless otherwise
specified)
Parameter
Symbol
Test Conditions
Min
Typ
Max
Unit
Deflection (Cont'd)
AFC2 Control Range
T
AFC2
16
17
s
Horizontal Position Adjustment
T
PAFC2
3
s
XRay Protection Detection Voltage
V
XDET
3.35
3.5
3.65
V
XRay Protection Hold Voltage
V
XHLD
3.9
4.2
4.5
V
XRay Protection Hold Current
V
XLD
80
100
120
A
Vertical Free Running Frequency
f
V
295
H
V. Sync PullIn Range
T
VST
224
H
T
VEND
295
H
V. Out Pulse Width
T
V
8
H
V. Ramp Amplitude Control
V
VL
2.2
2.4
V
V
VH
1.6
1.8
V
H. Sync Separation Level
R
sepa
30
35
40
%
Forced V. OSC (262.5H)
f
V60
60
Hz
32f
H
VCO
V
CC
SIF V
CC
Pin Connection Diagram
XRay
DeEmphasis
Ext. Audio
R Output
Analog G Input
PIF GND
SIF Tank
V Sepa Filter
FBLK
APC Filter
PIF Input
AGC Filter
SIF GND
DC Restoration
VCXO
PIF Tank
1
2
3
4
Sound Outptu
Sound Output
RF AGC
5
6
7
8
PIF Input
56
55
54
53
Ext. Audio
Audio TV Input
52
Limiter Input
51
50
49
9
48
TV Det. Output
10
Loop Filter
11
47
46
Chroma Input
12
45
AFT
13
GND
44
Y Input
14
43
15
Analog R Input
42
Ext. Video
FBP Input
V. Ramp
ACL
TV Input
16
17
Analog B Input
18
19
20
G Output
41
AV/SW Output
40
Black Det
39
38
37
ABL
21
B Output
36
D. GND
22
23
35
34
H. AFC
24
33
H. Output
25
32
Sync Output
26
31
27
30
SDA
28
29
V. Output
NFB
SCL
PIF Tank
PIF V
CC
D. V
CC
H. V
CC
2.000 (50.9) Max
1
28
56
29
.551 (14.0)
.600 (15.24)
.165
(4.2)
.118 (3.0)
.070 (1.78)
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