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参数资料
| 型号： | TLS1255N |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 3 CHANNEL, VIDEO PREAMPLIFIER, PDIP28 |
| 文件页数： | 3/7页 |
| 文件大小： | 134K |
| 代理商： | TLS1255N |
TLS1255
VIDEO PREAMPLIFIER SYSTEM
WITH ONSCREEN DISPLAY (OSD) MIXER
SLVS142 DECEMBER 1996
3
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
POST OFFICE BOX 1443
HOUSTON, TEXAS 772511443
recommended operating conditions
MIN
NOM
MAX
UNIT
Supply voltage, VCC1 and VCC2
11
12
13
V
High-level input voltage range, CLAMP GATE, VIH
Clamp comparators off
2.4
5
V
Low-level input voltage range, CLAMP GATE, VIL
Clamp comparators on
0
0.8
V
High-level input voltage range, BLANKING, VIH
Blanking circuit inactive
2.4
5
V
Low-level input voltage range, BLANKING, VIL
Blanking circuit active
0
0.8
V
High-level input voltage range, OSD BLANKING, VIH
OSD Blanking circuit inactive
2.4
5
V
Low-level input voltage range, OSD BLANKING, VIL
OSD Blanking circuit active
0
0.8
V
Operating free-air temperature, TA
0
70
°C
electrical characteristics at 25
°C free-air temperature range, CLAMP GATE = COLOR = 0 V;
R,G,B CLAMP(+) = 2 V; BLANKING = OSD BLANKING = 4 V; CONTRAST = R, G, B GAIN
ADJUST = 4 V; VCC1 = VCC2 = 12 V (unless otherwise noted)
PARAMETER
ALTERNATE
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
ICC
Supply current
VCC1 + VCC2
110
130
mA
Vref
Video input reference voltage
Measure R,G,B VIDEO_IN voltage
1.6
1.8
2.1
V
IIL
CLAMP GATE low input current
CLAMP GATE = 0 V
0.5
8
A
IIH
CLAMP GATE high input current
CLAMP GATE = 12 V
0.005
1
A
Clamp-capacitor charge current
IK(chg)
R,G,B CLAMP CAP = 0 V
850
A
Clamp-capacitor discharge current
IK(dschg)
R,G,B CLAMP CAP = 5 V
850
A
VOL
Low-level output voltage
R,G,B CLAMP CAP = 0 V
0.2
0.6
V
VOH
High-level output voltage
R,G,B CLAMP CAP = 5 V
6.7
7.6
V
Video output blanked voltage
VO(BLANK)
BLANKING = 0 V;
R,G,B CLAMP(+) = 3 V
0.2
0.35
V
High-level output voltage, OSD
VO(OSD BLANK)
OSD BLANKING = 0 V,
VO(PP)(OSD) = 4 V
0.8
V
Output voltage difference
VODIFF
Between any two channels
50
mV
Spot-killer voltage
VSPOT
VCC adjusted to active
8.2
10.3
V
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TLS127K015C1B | 制造商:Cornell Dubilier Electronics 功能描述:Cap Tant Wet 120uF 15V 10% (7.92 X 20.22mm) Axial 4.1 Ohm 125°C |
| TLS127M015C1B | 制造商:Cornell Dubilier Electronics 功能描述:Cap Tant Wet 120uF 15V 20% (7.92 X 20.22mm) Axial 4.1 Ohm 125°C |
| TLS128K006C1F | 制造商:Cornell Dubilier Electronics 功能描述:Cap Tant Wet 1200uF 6V 10% (10.31 X 30.91mm) Axial 1.6 Ohm 125°C |
| TLS128M006C1F | 制造商:CORNELL DUBILIER ELECTRONICS 功能描述:Cap Tant Wet 1200uF 6V 20% (10.31 X 30.91mm) Axial |
| TLS146K125C1B | 制造商:CORNELL DUBILIER ELECTRONICS 功能描述:Cap Tant Wet 14uF 125V 10% (7.92 X 20.22mm) Axial |
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