TL1051 Datasheet, PDF (7/13 Pages) Texas Instruments – VIDEO PREPROCESSOR CIRCUIT

TL1051
VIDEO PREPROCESSOR CIRCUIT
SOCS032B – NOVEMBER 1991
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted) (continued)
blanking section
PARAMETER
Blanking-pulse current
Blanking-pulse input capacitance
Noise rejection
PBL
PBL
PBL to YSW
TEST CONDITIONS
MIN
– 0.2
30
MAX
0.2
30
UNIT
mA
pF
dB
white-balance section
PARAMETER
Input current
Red channel gain
WB
RIN, WB to YSW
Blue channel gain
BIN, WB to YSW
TEST CONDITIONS
WB = 3.5 V
WB = 3 V
WB = 2.7 V
WB = 2.4 V
WB = 3.5 V
WB = 3 V
WB = 2.7 V
WB = 2.4 V
MIN
–10
2.6
0.5
–1.7
–3.7
– 4.4
–1.9
1
3.5
MAX
10
3.5
1.5
– 0.6
– 2.7
– 3.1
– 0.8
1.9
4.5
UNIT
µA
dB
dB
AGC section
PARAMETER
Gain delta between R, G, B channels
Gain control
AGC limit 1
AGC limit 2
RGB bandwidth
RIN, GIN, BIN to ROUT,
GOUT, BOUT, YAGC
RIN, GIN, BIN to
ROUT, GOUT, BOUT
RIN, GIN, BIN to YAGC
Output impedance
ROUT, GOUT, BOUT
TEST CONDITIONS
AGCCONT = 1.5 V
AGCCONT = 4.5 V
AGCLMT = 0
AGCLMT = 5 V
AGCCONT = 2.5 V (AGC on)
AGCCONT = 0.5 V (AGC off)
AGCCONT = 2.5 V (AGC on)
AGCCONT = 0.5 V (AGC off)
MIN
– 0.5
–1
11.5
TYP†
0
0
12.5
12.5
2.9 3.6
3 5.1
3.4 4.2
5 6.2
MAX
0.5
1
14.5
0
150
UNIT
dB
dB
dB
MHz
Ω
Y-clamp section
PARAMETER
Clamp pulse current
Clamp pulse capacitance
PCL2
PCL2
TEST CONDITIONS
MIN TYP†
– 0.2
MAX
0.2
50
UNIT
mA
pF
white-clip section
PARAMETER
White-clip point
Knee point 1
Knee point 2
Knee point 3
Knee compression ratio
Output impedance
† _{All typical values are at TA = 25° C.}
NOTE 3: 340 mV = 100%.
YCL to YOUT
YOUT
TEST CONDITIONS
See Note 3
WCPCONT open, See Note 3
WCPCONT = 3 V, See Note 3
WCPCONT = 2 V, See Note 3
MIN
400%
176%
13.5
TYP†
118%
236%
35%
15.5
MAX
59%
17.5
100
UNIT
dB
Ω
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