LT1254CS Linear Technology, LT1254CS Datasheet

IC AMP VIDEO LOWCOST QUAD 14SOIC

LT1254CS

Manufacturer Part Number
LT1254CS
Description
IC AMP VIDEO LOWCOST QUAD 14SOIC
Manufacturer
Linear Technology
Datasheet

Specifications of LT1254CS

Applications
Current Feedback
Number Of Circuits
4
-3db Bandwidth
270MHz
Slew Rate
250 V/µs
Current - Supply
6mA
Current - Output / Channel
55mA
Voltage - Supply, Single/dual (±)
4 V ~ 28 V, ±2 V ~ 14 V
Mounting Type
Surface Mount
Package / Case
14-SOIC (0.154", 3.90mm Width)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant

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FEATURE
A
TYPICAL
PPLICATI
Low Cost
Current Feedback Amplifiers
Differential Gain: 0.03%, R
Differential Phase: 0.28 , R
Flat to 30MHz, 0.1dB
90MHz Bandwidth on 5V
Wide Supply Range: 2V(4V) to 14V(28V)
Low Power: 60mW per Amplifier at 5V
RGB Cable Drivers
Composite Video Cable Drivers
Gain Blocks in IF Stages
V
IN
A
AT AMPLIFIER OUTPUT.
6dB LESS AT V
V
R
620
G
= 1 +
S
A
+
1/2 LT1253
R
O
R
PPLICATI
620
G
F
R
–5V
F
5V
U
OUT
BW = 90MHz
S
.
L
L
75
O
= 150 , V
= 150 , V
U
75
LT1253/54 • TA01
75
CABLE
V
S
OUT
S
= 5V
= 5V
D
The LT1253 is a low cost dual current feedback amplifier
for video applications. The LT1254 is a quad version of the
LT1253. The amplifiers are completely isolated except for
the power supply pins and therefore have excellent isola-
tion, over 94dB at 5MHz. Dual and quad amplifiers signifi-
cantly reduce costs compared with singles; the number of
insertions is reduced and fewer supply bypass capacitors
are required. In addition, these duals and quads cost less
per amplifier than single video amplifiers.
The LT1253/LT1254 amplifiers are ideal for driving low
impedance loads such as cables and filters. The wide
bandwidth and high slew rate of these amplifiers make
driving RGB signals between PCs and workstations easy.
The excellent linearity of these amplifiers makes them
ideal for composite video.
The LT1253 is available in 8-pin DIPs and the S8 surface
mount package. The LT1254 is available in 14-pin DIPs
and the S14 surface mount package. Both parts have the
industry standard dual and quad op amp pin out. For
higher performance, see the LT1229/LT1230.
Low Cost Dual and Quad
ESCRIPTIO
V
A
R
V
S
V
L
O
= 5V
= 2
= 150
= 1V
Transient Response
U
Video Amplifiers
LT1253/LT1254
LT1253/54 • TA02
1

Related parts for LT1254CS

LT1254CS Summary of contents

Page 1

FEATURE S Low Cost Current Feedback Amplifiers Differential Gain: 0.03 150 , V L Differential Phase: 0. 150 , V L Flat to 30MHz, 0.1dB 90MHz Bandwidth on 5V Wide Supply Range: 2V(4V) to 14V(28V) ...

Page 2

... R = 150 12V 5V 12V 500 5V 150 S L Per Amplifier f = 10MHz TOP VIEW ORDER PART NUMBER 14 OUT D 13 – +IN D LT1254CN – LT1254CS 10 + – OUT C S PACKAGE 14-LEAD PLASTIC SOIC = ( 100 C/ W (S) JA MIN TYP MAX 100 560 1500 7.0 10.5 2.5 3 ...

Page 3

... Set. The resolution of this equipment is 0.1% and 0.1 . Ten identical CONDITIONS V = 12V 5V OUT LT1253CN8: T LT1253CS8: T LT1254CN: T and power A LT1254CS: T Small Signal R R – 3dB BW (MHz 1100 None 270 1000 None 204 750 150 110 768 768 89 715 715 179 715 715 117 680 180 106 ...

Page 4

LT1253/LT1254 W U TYPICAL PERFOR A Supply Current vs Supply Voltage –55°C 7 25° 125°C 4 175° SUPPLY VOLTAGE (±V) LT1253/54 ...

Page 5

W U TYPICAL PERFOR A 12V Frequency Response –1 – ±12V S – 150 – –5 1M 10M FREQUENCY (Hz) 12V ...

Page 6

LT1253/LT1254 W U TYPICAL PERFOR A Transient Response 787 150 APPLICATIO S I FOR ATIO Power Dissipation The LT1253/LT1254 amplifiers ...

Page 7

... However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen- tation that the interconnection of its circuits as described herein will not infringe on existing patent rights LT1253CN8 LT1253CS8 LT1254CN LT1254CS One Amplifier –IN U Dimensions in inches (millimeters) unless otherwise noted. N8 Package 8-Lead Plastic DIP 0.130 ± ...

Page 8

... N14 0392 0.189 – 0.197 (4.801 – 5.004 0.150 – 0.157 (3.810 – 3.988 SO8 0392 0.337 – 0.344 (8.560 – 8.738 0.150 – 0.157 (3.810 – 3.988) SO14 0392 LT/GP 0193 10K REV 0 LINEAR TECHNOLOGY CORPORATION 1993 ...

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