LT1457 Linear Technology, LT1457 Datasheet - Page 5

• Manufacturer Part Number: LT1457
• Description: Dual/ Precision JFET Input Op Amp
• Manufacturer: Linear Technology

TYPICAL PERFORMANCE CHARACTERISTICS
120
100
–10
–15
– 5
80
60
40
20
10
25
20
15
10
0
8
6
4
2
5
0
–50
0.1
10
Common-Mode Rejection Ratio
vs Frequency
Slew Rate, Gain-Bandwidth
Product vs Temperature
Gain, Phase vs Frequency
V
T
S
A
100
–25
= ±15V
= 25 C
PHASE MARGIN = 80 , C
PHASE MARGIN = 51 , C
TEMPERATURE ( C)
FREQUENCY (MHz)
1k
FREQUENCY (Hz)
0
GAIN
C
L
C
10k
1.0
25
= 1000pF
L
= 10pF
100k
50
PHASE
V
SLEW FALL
SLEW RISE
GBW
L
L
S
C
V
T
= 10pF
= 1000pF
L
C
W
A
= ±15V
S
L
= 1000pF
= ±15V
= 25 C
1M
LT1457 • TPC18
LT1457 • TPC16
75
LT1457• TPC10
= 10pF
U
10M
100
10
2.5
2.0
1.5
1.0
100
80
60
40
20
0
–20
±10
–11
–12
–13
–14
–15
15
14
13
12
11
30
24
18
12
3
2
1
0
6
0
– 50
–50
10k
Undistorted Output Swing vs
Frequency
Common-Mode Range vs
Temperature
Supply Current vs Temperature
V
S
= ±15V
– 25
–25
V
S
= ±5V
100k
TEMPERATURE ( C)
TEMPERATURE ( C)
0
0
FREQUENCY (Hz)
25
25
V
S
1M
50
50
= ±15V
V
T
S
A
= 25 C
LT11457• TPC17
LT1457 • TPC11
LT1457 • TPC14
= ±15V
75
75
10M
100
100
– 40
– 50
120
110
100
–10
–20
–30
140
120
100
90
50
40
30
20
10
80
60
40
20
TIME FROM OUTPUT SHORT TO GROUND (MINUTES)
0
0
–50
10
0
Common-Mode and Power Supply
Rejections vs Temperature
Short-Circuit Current vs Time
(One Output Shorted to Ground)
Power Supply Rejection Ratio
vs Frequency
V
V
V
S
S
S
–25
= ±15V
100
= ±5V TO ±17V FOR PSRR
= ±15V, V
T
T
NEGATIVE
A
A
SUPPLY
= 25 C
= 25 C
1
TEMPERATURE ( C)
1k
FREQUENCY (Hz)
0
CM
= ±10.5V FOR CMRR
10k
25
2
CMRR
PSRR
100k
POSITIVE
SUPPLY
50
LT1457
T
T
T
T
A
A
A
A
T
A
= – 40 C
= 85 C
= 85 C
= – 40 C
= 25 C
1M
75
LT1457 • TPC12
LT1457 • TPC15
LT1457• TPC13
3
5
10M
100