LT1253 Linear Technology, LT1253 Datasheet - Page 3

• Manufacturer Part Number: LT1253
• Description: Low Cost Dual and Quad Video Amplifiers
• Manufacturer: Linear Technology

ELECTRICAL CHARACTERISTICS
TYPICAL AC PERFOR A CE
Symbol
t
t
Note 1: A heat sink may be required to keep the junction temperature
below absolute maximum when the output is shorted indefinitely.
Note 2: T
dissipation P
BANDWIDTH
NTSC VIDEO (Note 1)
Note 1: Differential Gain and Phase are measured using a Tektronix TSG
120 YC/NTSC signal generator and a Tektronix 1780R Video Measurement
Set. The resolution of this equipment is 0.1% and 0.1 . Ten identical
r
p
V
12
12
12
12
12
12
12
12
12
12
S
5
5
5
5
5
5
5
5
5
5
V
12
12
S
5
5
J
is calculated from the ambient temperature T
Parameter
Small-Signal Rise Time
Rise and Fall Time
Propagation Delay
D
according to the following formulas:
– 1
– 1
– 1
– 1
A
10
10
10
10
1
1
2
2
5
5
1
1
2
2
5
5
V
A
2
2
2
2
V
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
150
150
150
150
150
150
150
150
150
150
R
L
1000
1000
W U
150
150
R
1100
1000
L
750
768
715
715
680
680
620
620
787
787
715
715
620
620
620
620
562
562
R
F
A
and power
None
None
None
None
68.1
68.1
61.9
61.9
150
768
715
715
180
180
715
715
620
620
150
150
R
CONDITIONS
V
V
V
G
S
S
S
= 12V, A
= 5V, A
= 5V, A
750
750
750
750
R
0 C T
F
V
V
V
– 3dB BW (MHz)
A
= 2, V
= 2
Small Signal
= 2
LT1253CN8: T
LT1253CS8: T
LT1254CN: T
LT1254CS: T
amplifier stages were cascaded giving an effective resolution of 0.01% and
0.01 .
70 C, V
OUT
270
204
110
179
117
106
218
158
117
89
90
89
80
76
70
92
82
72
70
65
= 1V
750
750
750
750
R
S
G
P-P
= 5V to 12V, unless otherwise noted.
J
J
J
J
= T
= T
= T
= T
A
A
A
A
+ (P
+ (P
+ (P
+ (P
D
D
D
D
– 0.1dB BW (MHz)
100 C/W)
70 C/W)
Small Signal
DIFFERENTIAL
150 C/W)
100 C/W)
0.01%
0.01%
0.03%
0.03%
42
GAIN
51
48
59
50
76
62
47
49
46
53
91
28
30
58
52
36
34
35
28
MIN
LT1253/LT1254
TYP
3.5
5.8
3.5
DIFFERENTIAL
Small Signal
Peaking (dB)
MAX
PHASE
0.03
0.12
0.18
0.28
3.4
1.3
0.1
0.1
0.3
0.1
0.1
1.5
0.1
0.1
0.1
0.1
0.1
0
0
0
0
0
0
0
UNITS
3
ns
ns
ns