
MEETING YOUR NEEDS
Product Information
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
Video Line Driver IC with LPF & Clamp
TK15444/6/8L
DESCRIPTION
The TK15444/6/8L are 75
video line driver ICs with LPF
and clamp circuit. The voltage gain GV is selectable from
below:
TK15444L
: GV=9dB
TK15446L
: GV=6dB
TK15448L
: GV=12dB
With internal frequency trap terminal, clock frequency of
D/A converter can be eliminated.
FEATURES
Trap Filter Circuit
4th Arm LPF
Frequency Trap Terminal
Selectable Voltage Gain; GV=6/9/12dB
Active High On/Off Control (Stand-by Function)
APPLICATIONS
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.
ELECTRICAL CHARACTERISTICS
Value(TYP)
Parameter
Symbol
1544415446 15448
Unit
Operating Voltage
Range
VOP
4.5~10.0
V
Operating
Temp.
Range
TOP
-25~+75
°C
Input Frequency
fMAX
~100
MHz
Supply Current
ICC
19.6
mA
Standby
Supply
Current
ICCS
27.0
uA
Clamp Voltage
VCMP
1.20
V
Voltage Gain
GV
8.8
6.0
11.8
dB
Differential Gain
DG
-3.0~+3.0
%
Differential Phase
DP
-3.0~+3.0
deg
Frequency Respose1
fr1
-0.2
dB
Frequency Respose2
fr2
-1.7
dB
Trap
Attenuation
Value
GR
-30.0
dB
Trap Filter Terminal
Output Impedance
Zfil
1.0
k
PACKAGE OUTLINE
SOT23L-8
Unit : mm
0.3
8
5
4
1
0.8
+0.10
0.05
M
0.1
3.3
0.4
2.2
(0.3)
1.2
0.15
0~0.1
0.1
1.4max
±0.2
±0.1
+0.10
0.05
±0.3
±0.2
15°max
3.4 ±0.2
BLOCK DIAGRAM
LPF
Clamp &
Reference
9dB
8
2
3
4
7
5
Input
Output
VCC
+5V
GND
Standby
75
75
75
1k
+
Trap filter
TOKO
A353TCH-3379
1.5k
33
F
33
F
4.7
F
33
F
0.01
F
1, 6
TK15444L: 9dB
TK15446L: 6dB
TK15448L:12dB