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PDF TK15409MTL Data sheet ( Hoja de datos )
| Número de pieza | TK15409MTL | |
| Descripción | 75 OHM VIDEO LINE DRIVER | |
| Fabricantes | TOKO | |
| Logotipo |  |
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TK15409
75 Ω VIDEO LINE DRIVER
FEATURES
s Internal Y-C Summing Circuit
s Voltage Gain is 6 dB Fixed
s Internal 75 Ω Driver
s Active High ON/OFF Control
s
Very
Low
Standby
Current
(typ.
I
STBY
≤
25
µA)
s Very Small Output Capacitor Using SAG Function Pin
s Very Small Package (SOT23L-8)
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 TK15409 is a
video line driver IC that takes standard Y and C analog
inputs and provides a composite analog output for driving
150 Ω loads (75 Ω resistor and 75 Ω cable load). Internal
summing of the Y and C inputs is performed to produce the
composite video output. The luminance (Y) input is
clamped at 1.25 V and amplified 6 dB; the chromanance
(C) input is biased at 2.0 V and amplified 6 dB. The internal
1.5 kΩ SAG function resistor provides gain compensation
for low frequency signals. During standby (Pin 5 grounded),
the TK15409 consumes only 127 µW of power. Nominal
power dissipation (no input) is typically 90 mW.
The TK15409M is available in the very small SOT23L-8
surface mount package.
ORDERING INFORMATION
TK15409M
Tape/Reel Code
TAPE/REEL CODE
TL: Tape Left
TK15409
Y-INPUT
N/C
01S
SAG
OUTPUT
C-INPUT
VCC
GND
STANDBY
BLOCK DIAGRAM
6 dB
Amp
Clamp
1.25 V
5 kΩ
1.5 kΩ
BIAS
2.0 V
6 dB
Amp
Clamp
1.25 V
5 kΩ
Reference
&
Standby
January 2000 TOKO, Inc.
Page 1
1 page  
TYPICAL PERFORMANCE CHARACTERISTICS
TK15409
DIFFERENTIAL GAIN VS.
SUPPLY VOLTAGE
0.0
-2.0
-4.0
-6.0
-8.0
4.0
4.5 5.0 5.5
VCC (V)
6.0
SUPPLY CURRENT VS.
TEMPERATURE
22
20
18
16
14
12
-50
0 50
TA (°C)
100
THRESHOLD VOLTAGE VS.
TEMPERATURE
2.5
2.0
VTLH
1.5
1.0
0.5
0.0
-50
VTHL
0 50
TA (°C)
100
January 2000 TOKO, Inc.
DIFFERENTIAL PHASE VS.
SUPPLY VOLTAGE
4.0
2.0
0.0
-2.0
-4.0
4.0
4.5 5.0 5.5
VCC (V)
6.0
STANDBY SUPPLY CURRENT
VS. TEMPERATURE
50
40
30
20
10
0
-50 0 50 100
TA (°C)
CLAMP VOLTAGE VS.
TEMPERATURE
1.5
1.4
1.3
1.2
1.1
-50
0 50
TA (°C)
100
Page 5
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet TK15409MTL.PDF ] | |
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