Datasheet

7
LT1351
TYPICAL PERFORMANCE CHARACTERISTICS
U
W
Frequency Response
vs Supply Voltage (A
V
= –1)
FREQUENCY (Hz)
100
0
COMMON MODE REJECTION RATIO (dB)
20
40
60
80
100
120
1k 10k 100k 1M
1351 G21
10M
T
A
= 25°C
V
S
= ±15V
Common Mode Rejection Ratio
vs Frequency
Gain Bandwidth and Phase Margin
vs Supply Voltage
SUPPLY VOLTAGE (±V)
0
2.00
GAIN BANDWIDTH (MHz)
PHASE MARGIN (DEG)
2.25
2.75
3.00
4.50
3.75
10
20
1351 G19
2.50
4.00
4.25
3.50
3.25
30
32
36
38
50
44
34
46
48
42
40
5
15
T
A
= 25°C
PHASE MARGIN
GAIN BANDWIDTH
TEMPERATURE (°C)
–50
2.00
GAIN BANDWIDTH (MHz)
PHASE MARGIN (DEG)
2.25
2.75
3.00
3.25
4.50
3.75
0
50
75
1351 G16
2.50
4.00
4.25
3.50
30
32
36
38
40
50
44
34
46
48
42
–25
25
100
125
V
S
= ±15V
V
S
= ±5V
V
S
= ±15V
V
S
= ±5V
PHASE MARGIN
GAIN BANDWIDTH
Gain Bandwidth and Phase Margin
vs Temperature
Gain and Phase vs Frequency
FREQUENCY (Hz)
10
GAIN (dB)
PHASE (DEG)
20
40
60
70
1k 100k 1M 100M
1351 G13
0
10k
10M
50
30
–10
0
20
60
100
120
–20
80
40
–40
PHASE
GAIN
V
S
= ±15V
T
A
= 25°C
A
V
= –1
R
F
= R
G
= 5k
V
S
= ±15V
V
S
= ±5VV
S
= ±5V
Frequency Response
vs Capacitive Load
FREQUENCY (Hz)
10k
–2
GAIN (dB)
0
2
4
6
100k 1M 10M
1351 G15
–4
–6
–8
–10
8
10
T
A
= 25°C
V
S
= ±15V
A
V
= –1
R
FB
= R
G
= 5k
C = 500pF
C = 100pF
C = 5000pF
C = 1000pF
C = 10pF
Output Impedance vs Frequency
FREQUENCY (Hz)
0.1
OUTPUT IMPEDANCE (Ω)
1
10
100
1000
1k 100k 1M 10M
1351 G14
0.01
10k
T
A
= 25°C
V
S
= ±15V
A
V
= 100
A
V
= 10
A
V
= 1
FREQUENCY (Hz)
10k
–1
GAIN (dB)
0
1
2
3
100k 1M 10M
1351 G17
–2
–3
–4
–5
4
5
T
A
= 25°C
A
V
= 1
R
L
= 5k

±15V
±5V
±2.5V
Frequency Response
vs Supply Voltage (A
V
= 1)
FREQUENCY (Hz)
10k
–1
GAIN (dB)
0
1
2
3
100k 1M 10M
1351 G18
–2
–3
–4
–5
4
5
T
A
= 25°C
A
V
= –1
R
L
= R
G
= 5k

±15V
±5V
±2.5V
Power Supply Rejection Ratio
vs Frequency
FREQUENCY (Hz)
10
0
POWER SUPPLY REJECTION RATIO (dB)
20
40
60
80
120
100
1k 10k 100k
1351 G20
1M 10M
100
T
A
= 25°C
V
S
= ±15V
–PSRR = +PSRR