MEETING YOUR NEEDS
Product Information
Video Line Driver IC with LPF & Clamp
TK15444/6/8L
DESCRIPTION
The TK15444/6/8L are 75Ω video line driver ICs with LPF
and clamp circuit. The voltage gain G
V
is selectable from
below:
TK15444L
: G
V
=9dB
TK15446L
: G
V
=6dB
TK15448L
: G
V
=12dB
With internal frequency trap terminal, clock frequency of
D/A converter can be eliminated.
PACKAGE OUTLINE
SOT23L-8
8
5
1
0.8
4
0.3
+0.10
−0.05
FEATURES
Trap Filter Circuit
4th Arm LPF
Frequency Trap Terminal
Selectable Voltage Gain; G
V
=6/9/12dB
Active High On/Off Control (Stand-by Function)
3.4
±0.2
0.1
M
2.2
±0.2
(0.3)
1.4max
1.2
±0.1
0~0.1
+0.10
−0.05
The Video Systems
DSC(Digital Still Camera),
CCD Observation Camera, DVD Player/Rewriter
TV Monitor, LCD Projector, Video Board,
Video Recorder/Player/Camcorder,
Portable Video Equipment etc.
0.15
APPLICATIONS
0.4
±0.2
3.3
±0.3
Unit : mm
0.1
BLOCK DIAGRAM
0.01µF
V
CC
+5V
TK15444L: 9dB
TK15446L: 6dB
TK15448L:12dB
ELECTRICAL CHARACTERISTICS
Parameter
Operating Voltage
Range
Operating Temp.
Range
Input Frequency
Supply Current
Standby Supply
Current
Clamp Voltage
Voltage Gain
Differential Gain
Differential Phase
Frequency Respose1
Frequency Respose2
Trap Attenuation
Value
Trap Filter Terminal
Output Impedance
Symbol
V
OP
T
OP
f
MAX
I
CC
I
CCS
V
CMP
G
V
DG
DP
fr1
fr2
GR
Zfil
Value(TYP)
15444 15446 15448
4.5~10.0
-25~+75
~100
19.6
27.0
1.20
8.8 6.0 11.8
-3.0~+3.0
-3.0~+3.0
-0.2
-1.7
-30.0
1.0
Unit
V
°C
MHz
mA
uA
V
dB
%
deg
dB
dB
dB
kΩ
GND
Input
4.7µF
+
75Ω
33µF
7
Output
1kΩ
8
LPF
9dB
1.5kΩ
5
+
33µF
75Ω
75Ω
Clamp &
Reference
4
+
33µF
1, 6
Standby
2
3
Trap filter
TOKO
A353TCH-3379
Note that the contents are subject to change or discontinuation without notice. When placing orders, please confirm specifications and delivery condition in writing.
TOKO, INC. Feb.2002
Rev.0
15°max
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