lt1194cs8-trpbf Linear Technology Corporation, lt1194cs8-trpbf Datasheet - Page 7

• Manufacturer Part Number: lt1194cs8-trpbf
• Description: Video Difference Amplifier
• Manufacturer: Linear Technology Corporation

APPLICATIO S I FOR ATIO
TYPICAL PERFOR A CE CHARACTERISTICS
The LT1194 is a video difference amplifier with a fixed gain
of 10 (20dB). The amplifier has two uncommitted high
input impedance (+) and (–) inputs that can be used either
differentially or single-ended. The LT1194 includes a
limiting feature that allows the amplifier to reduce its
output as a function of DC voltage on the BAL/V
limiting feature uses input differential-pair limiting to
prevent overload in subsequent stages. This technique
allows extremely fast limiting action.
Power Supply Bypassing
The LT1194 is quite tolerant of power supply bypassing.
In some applications a 0.1 F ceramic disc capacitor
placed 1/2 inch from the amplifier is all that is required.
–2
–4
4
2
0
40
Output Voltage Step
vs Settling Time
V
T
R
S
A
L
= 5V
= 25 C
= 1k
60
80
SETTLING TIME (ns)
100
U
10mV
120
10mV
140
U
W
LT1194 • TPC19
160
U
180
W
C
RISE TIME = 10.8ns, PROPAGATION DELAY = 6ns
U
Small-Signal Transient Response
pins. The
OUTPUT
INPUT
LT1194 • TPC20
20dB INPUT OVERDRIVE, V
Input Limiting
Large-Signal Transient Response
R
L
= 150 , +SR = 430V/ s, –SR = 500V/ s
C
= –4.2V
LT1194 • TA04
LT1194
LT1194 • TPC21
7