Datasheet

6
LT1464/LT1465
TYPICAL PERFORMANCE CHARACTERISTICS
U
W
Power Supply Rejection Ratio vs
FrequencyGain and Phase vs Frequency
FREQUENCY (MHz)
0.01
VOLTAGE GAIN (dB)
70
60
50
40
30
20
10
0
–10
PHASE MARGIN (DEG)
120
100
80
60
40
20
0
–20
–40
0.1 1 10
LT1464 • TPC10
V
S
= ±15V
T
A
= 25°C
GAIN
PHASE
PHASE MARGIN = 66°,
C
L
= 10pF
FREQUENCY (Hz)
10
PSRR (dB)
120
100
80
60
40
20
0
100 1k 10k 100k
LT1464 • TPC12
1M
NEGATIVE
SUPPLY
POSITIVE
SUPPLY
T
A
= 25°C
Common Mode Rejection Ratio vs
Frequency
FREQUENCY (Hz)
10
CMRR (dB)
100
80
60
40
20
0
10k
LT1464 • TPC11
100
1k
10k
1M
V
S
= ±15V
T
A
= 25°C
Closed-Loop Output ImpedancePhase Margin vs C
LOAD
CAPACITIVE LOAD (pF)
1
0
PHASE MARGIN (DEG)
10
30
40
50
100
70
10
1000100
LT1464 • TPC13
20
80
90
60
10000
V
S
= ±15V
T
A
= 25°C

FREQUENCY (Hz)
10
0.1
OUTPUT IMPEDANCE (Ω)
1
10
100
1000
100 1k 10k 100k
LT1464 • TPC15
1M 10M
C
L
= 10nF
C
L
= 1000pF
C
L
= 0pF
V
S
= ±15V
T
A
= 25°C
A
V
= 1
Small-Signal Response,
V
S
= ±5V, ±15V, C
LOAD
= 1000pF
Large-Signal Response,
V
S
= ±15V
5V/DIV
0V
A
V
= 1 20µs/DIV
C
L
= 10pF
50mV/DIV
0V
A
V
= 1 5µs/DIV
C
L
= 1000pF
LT1464 • TPC16 LT1464 • TPC18
Common Mode and Power Supply
Rejections vs Temperature
TEMPERATURE (°C)
–75
70
CMRR, PSRR (dB)
75
80
85
90
–25 25
75
125
LT1464 • TPC14
95
100
–50 0
50
100
V
S
= ±2.5V TO ±20V FOR PSRR
V
S
= ±15V, V
CM
= –12V TO 15V FOR CMRR
PSRR
CMRR
Small-Signal Response,
V
S
= ±5V, ±15V
20mV/DIV
0V
A
V
= 1 0.5µs/DIV
C
L
= 10pF
LT1464 • TPC17