LT1256 Linear Technology Corporation, LT1256 Datasheet - Page 8
LT1256
Manufacturer Part Number
LT1256
Description
40mhz Video Fader And Dc Gain Controlled Amplifier
Manufacturer
Linear Technology Corporation
Datasheet
1.LT1256.pdf
(24 pages)
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TYPICAL PERFORMANCE CHARACTERISTICS
LT1251/LT1256
8
–10
350
300
250
200
150
100
–2
–4
–6
–8
10
50
8
6
4
2
0
0
2
1
0
50
0
Differential Gain vs
Controlled Gain
0
Settling Time to 10mV
vs Output Step
Slew Rate vs Full-Scale
Reference Voltage
A
V
R
V
S
FULL-SCALE REFERENCE VOLTAGE (V)
F
= 1
= ±15V
= 1.5k
25
0.5
CONTROLLED GAIN, V
60
SETTLING TIME (ns)
INVERTING
50
V
INVERTING,
NONINVERTING
S
1.0
70
= 15V
NONINVERTING
75
1.5
80
100
C
V
/V
S
FS
= 5V
W
2.0
90
(%)
125
1251/56 G29
1251/56 G32
1251/56 G35
U
150
100
2.5
–10
350
300
250
200
10
–2
–4
–6
–8
1.0
0.5
8
6
4
2
0
0
–50
50
Differential Phase vs
Controlled Gain
0
Slew Rate vs Temperature
Settling Time to 1mV
vs Output Step
NONINVERTING
–25
INVERTING
CONTROLLED GAIN, V
60
50
SETTLING TIME (ns)
0
TEMPERATURE (°C)
70
25
NONINVERTING
100
50
80
INVERTING
C
/V
75
150
FS
V
R
V
A
NO LOAD
S
F
(%)
90
S
V
= 1.5k
= ±15V
= ±5V
= 1
100
1251/56 G33
1251/56 G30
1251/56 G36
125
200
100
– 50mV
50mV
0.01
100
0.1
10
2.5
80
70
60
50
40
30
20
10
1
0
0
0
10k
1k
LT1251
Switching Transient (Glitch)
Power Supply Rejection Ratio
vs Frequency
Output Impedance vs Frequency
V
R
V
FS
F1
S
V
POSITIVE
NEGATIVE
V
R
V
V
= 5V
OUT
S
C
F
= 2.5V
C
= R
A
= ±5V
= 1.5k
= V
V
F2
= 100
FS
100k
10k
= 1.5k
= 2.5V
FREQUENCY (Hz)
FREQUENCY (Hz)
A
V
= 1, 10
100k
1M
V
A
R
V
S
V
F
C
= 1.5k
= ±5V
= 1
= V
10M
1M
FS
1251/56 G34
= 2.5V
1251/56 G31
1251/56 G37
100M
10M