LT1251CN Linear Technology, LT1251CN Datasheet - Page 5

• Manufacturer Part Number: LT1251CN
• Description: IC AMP VIDEO FADE CONTRLD 14-DIP
• Manufacturer: Linear Technology

Specifications of LT1251CN

• Applications: Current Feedback
• Number Of Circuits: 1
• -3db Bandwidth: 40MHz
• Slew Rate: 300 V/µs
• Current - Supply: 14.5mA
• Current - Output / Channel: 40mA
• Voltage - Supply, Single/dual (±): 5 V ~ 30 V, ±2.5 V ~ 15 V
• Mounting Type: Through Hole
• Package / Case: 14-DIP (0.300", 7.62mm)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

TYPICAL PERFORMANCE CHARACTERISTICS
0.001
0.01
–10
0.1
1.0
0.8
0.6
0.4
0.2
10
–2
–4
–6
–8
10
1
0
8
6
4
2
0
10
10k
0
THD Plus Noise vs Frequency
LT1251
Gain vs Control Voltage
LT1251/LT1256
Control Path Bandwidth
VOLTAGE DRIVE V
V
V
A
V
S
S
V
FS
V
V
V
= ±5V
= ±5V, V
CC
= 1, R
C
C
C
= 2.5V
= 10%
CC
= 50%
CC
= 100%
CC
0.5
100
100k
PIN 4 NOT IN SOCKET
F
CONTROL VOLTAGE (V)
= 1.5k, V
IN
FREQUENCY (Hz)
FREQUENCY (Hz)
IN1
IN2
= 1V
1.0
1k
C
RMS
FS
1M
= 2.5V
1.5
10k
10M
W
2.0
1251/56 G08
1251/56 G01
1251/56 G04
100k
U
100M
2.5
–10
–20
–30
–40
–50
–60
–70
1.0
0.8
0.6
0.4
0.2
–2
–4
–6
–8
10
8
6
4
2
0
0
10k
0
1
LT1256
Gain vs Control Voltage
LT1251/LT1256
Control Path Bandwidth
2nd and 3rd Harmonic Distortion
vs Frequency
VOLTAGE DRIVE R
V
V
V
A
R
R
V
V
V
C
S
S
V
O
C
F
L
FS
2ND
= GND
= ±5V
= ±5V
CC
= 1
= 1.5k
= 1k
= 2V
= V
= 2.5V
0.5
FS
100k
P-P
= 2.5V
CONTROL VOLTAGE (V)
FREQUENCY (MHz)
FREQUENCY (Hz)
IN2
IN1
1.0
3RD
C
1M
10
1.5
10M
2.0
1251/56 G09
1251/56 G02
1251/56 G05
100M
100
2.5
100
10
50
45
40
35
30
25
20
15
10
8
7
6
5
4
3
2
1
1
100k
10
Spot Input Noise Voltage and
Current vs Frequency
Undistorted Output Voltage
vs Frequency
0
3rd Order Intercept vs Frequency
V
R
R
V
A
S
C
A
L
F
V
V
= 1.5k
= ±5V
= 1k
= V
= 10
5
= 1
LT1251/LT1256
FS
= 2.5V
100
1M
FREQUENCY (MHz)
10
FREQUENCY (Hz)
FREQUENCY (Hz)
15
V
A
R
R
V
10M
1k
20
S
V
C
F
L
+i
= ±15V
CC
= 1
= 1.5k
= 100
= V
–i
e
n
n
n
FS
= 2.5V
25
1251/56 G06
1251/56 G07
1251/56 G10
5
100M
10k
30