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PDF TK15411 Data sheet ( Hoja de datos )
| Número de pieza | TK15411 | |
| Descripción | 75 OHM VIDEO LINE DRIVER | |
| Fabricantes | TOKO | |
| Logotipo |  |
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TK15411
75 Ω VIDEO LINE DRIVER
FEATURES
s Superimpose Circuit for Two-Level (45 and 140 IRE)
Character Generation
s Fixed Gain (6 dB)
s Internal 75 Ω Driver with Clamp Circuit
s Very Small Output Capacitor Using SAG Function Pin
s Active High ON/OFF Control
s Very Low Standby Current (typ. ISTBY ≤ 25 µA)
s Single +5 V Power Supply Operation
APPLICATIONS
s Video Equipment
s Digital Cameras
s CCD Cameras
s TV Monitors
s Video Tape Recorders
s LCD Projectors
DESCRIPTION
Operating from a single +5 V supply, the TK15411 is a
single-channel video line driver IC that takes a standard
video analog input and provides a buffered analog output
for driving a 150 Ω load. The standard video input signal
(1 VP-P typical) is internally clamped to 1.25 V and amplified
6 dB to produce 2 VP-P (typical) into a series 75 Ω resistor
and 75 Ω cable load. The internal 1.5 kΩ SAG function
resistor provides gain compensation for low frequency
signals. The built-in superimpose circuit provides two
levels (45 and 140 IRE) of character generation to the
video signal. During standby (Pin 5 grounded), the TK15411
consumes only 125 µW of power. Nominal power
dissipation (no input) is typically 73 mW.
The TK15411M is available in the SOT23L-8 surface
mount package.
TK15411
INPUT
VCC
01S
SUPERIMPOSITION 2
SUPERIMPOSITION 1
OUTPUT
SAG
GND
STANDBY
BLOCK DIAGRAM
VCC
Logic
ORDERING INFORMATION
TK15411M
Tape/Reel Code
TAPE/REEL CODE
TL: Tape Left
5 kΩ
1.5 kΩ
5 kΩ
GND
January 2000 TOKO, Inc.
Page 1
1 page  
TYPICAL PERFORMANCE CHARACTERISTICS
TK15411
SUPPLY CURRENT VS.
TEMPERATURE
17
VCC = 5.0 V,
No Input
16
15
14
SUPPLY CURRENT VS.
SUPPLY VOLTAGE
17
TA = 25 °C,
No Input
16
15
14
STANDBY SUPPLY CURRENT VS.
TEMPERATURE
50
VCC = 5.0 V,
No Input
40
30
20
13
12
-50
0 50
TA (°C)
13
12
100 4.0
4.5 5.0 5.5
VCC (V)
10
0
6.0 -50
0 50
TA (°C)
100
STANDBY SUPPLY CURRENT VS.
SUPPLY VOLTAGE
50
TA = 25 °C,
No Input
40
30
20
10
8.0
7.0
6.0
5.0
0 4.0
4.0 4.5 5.0 5.5 6.0
-50
VCC (V)
VOLTAGE GAIN VS.
TEMPERATURE
VCC = 5.0 V,
fIN = 1 MHz,
VIN = 1 VP-P
VOLTAGE GAIN VS.
SUPPLY VOLTAGE
8.0
TA = 25 °C,
fIN = 1 MHz,
7.0 VIN = 1 VP-P
6.0
0 50
TA (°C)
5.0
4.0
100 4.0
4.5 5.0
VCC (V)
5.5
6.0
FREQUENCY RESPONSE VS.
TEMPERATURE
0.5
fIN = 1/5 MHz,
VIN = 1 VP-P
0.0
FREQUENCY RESPONSE VS.
SUPPLY VOLTAGE
0.5
fIN = 1/5 MHz,
VIN = 1 VP-P
0.0
CLAMP VOLTAGE VS.
TEMPERATURE
1.5
VCC = 5 V,
Pin 1 Voltage
1.4
-0.5 -0.5
1.3
-1.0 -1.0
1.2
-1.5
-50
0 50
TA (°C)
January 2000 TOKO, Inc.
-1.5
100 4.0
4.5 5.0 5.5
VCC (V)
1.1
6.0 -50
0 50
TA (°C)
100
Page 5
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet TK15411.PDF ] | |
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