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参数资料
| 型号： | TL1051FR |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 消费家电 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP44 |
| 封装： | PLASTIC, QFP-44 |
| 文件页数： | 11/13页 |
| 文件大小： | 173K |
| 代理商： | TL1051FR |
TL1051
VIDEO PREPROCESSOR CIRCUIT
SOCS032B – NOVEMBER 1991
4-7
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted) (continued)
blanking section
PARAMETER
TEST CONDITIONS
MIN
MAX
UNIT
Blanking-pulse current
PBL
– 0.2
0.2
mA
Blanking-pulse input capacitance
PBL
30
pF
Noise rejection
PBL to YSW
30
dB
white-balance section
PARAMETER
TEST CONDITIONS
MIN
MAX
UNIT
Input current
WB
–10
10
A
WB = 3.5 V
2.6
3.5
Red channel gain
RIN WB to YSW
WB = 3 V
0.5
1.5
dB
Red channel gain
RIN, WB to YSW
WB = 2.7 V
–1.7
– 0.6
dB
WB = 2.4 V
–3.7
– 2.7
WB = 3.5 V
– 4.4
– 3.1
Blue channel gain
BIN WB to YSW
WB = 3 V
–1.9
– 0.8
dB
Blue channel gain
BIN, WB to YSW
WB = 2.7 V
1
1.9
dB
WB = 2.4 V
3.5
4.5
AGC section
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Gain delta between R, G, B channels
– 0.5
0
0.5
dB
Gain control
AGCCONT = 1.5 V
–1
0
1
dB
Gain control
RIN, GIN, BIN to ROUT,
AGCCONT = 4.5 V
11.5
12.5
14.5
dB
AGC limit 1
,,
,
GOUT, BOUT, YAGC
AGCLMT = 0
0
dB
AGC limit 2
AGCLMT = 5 V
12.5
dB
RIN, GIN, BIN to
AGCCONT = 2.5 V (AGC on)
2.9
3.6
RGB bandwidth
,,
ROUT, GOUT, BOUT
AGCCONT = 0.5 V (AGC off)
3
5.1
MHz
RGB bandwidth
RIN GIN BIN to YAGC
AGCCONT = 2.5 V (AGC on)
3.4
4.2
MHz
RIN, GIN, BIN to YAGC
AGCCONT = 0.5 V (AGC off)
5
6.2
Output impedance
ROUT, GOUT, BOUT
150
Y-clamp section
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Clamp pulse current
PCL2
– 0.2
0.2
mA
Clamp pulse capacitance
PCL2
50
pF
white-clip section
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
White-clip point
See Note 3
400%
Knee point 1
WCPCONT open,
See Note 3
118%
Knee point 2
YCL to YOUT
WCPCONT = 3 V,
See Note 3
176%
236%
Knee point 3
WCPCONT = 2 V,
See Note 3
35%
59%
Knee compression ratio
13.5
15.5
17.5
dB
Output impedance
YOUT
100
All typical values are at TA = 25° C.
NOTE 3: 340 mV = 100%.
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