LTC6081/LTC6082
9
60812f
FREQUENCY (Hz)
GAIN (dB)
60
–20
–40
40
20
0
PHASE (DEG)
180
–270
–180
–90
90
–450
–360
0
1M 100M
60812 G25
10M1k 100k10k
V
S
= 5V
V
CM
= 0.5V
T
A
= 25°C
C
L
= 200pF
PHASE
GAIN
R
L
= 10k
R
L
= 100k
FREQUENCY (Hz)
100 1k 10k 100k 1M 10M 100M
PSRR (dB)
60812 G27
120
100
80
60
40
0
–20
20
V
S
= 5V
V
CM
= 0.5V
T
A
= 25°C
FREQUENCY (Hz)
100 1k 10k 100k 1M 10M 100M
CMRR (dB)
60812 G26
120
100
80
60
40
0
–20
20
V
S
= 5V
V
CM
= 0.5V
T
A
= 25°C
R
L
= 1k
FREQUENCY (Hz)
GAIN (dB)
60
–20
–40
40
20
0
PHASE (DEG)
270
–270
–180
180
–90
90
–360
0
1M 100M
60812 G24
10M1k 100k10k
V
S
= 5V
V
CM
= 0.5V
T
A
= 25°C
PHASE
GAIN
R
L
= 10k
R
L
= 100k
OUTPUT VOLTAGE (V)
0
INPUT VOLTAGE (μV)
2.5 3.01.5 2.00.5 1.0
60812 G22
20
10
–40
–30
–20
–10
0
V
S
= 3V
T
A
= 25°C
R
L
= 100k
R
L
= 10k
R
L
= 2k
TIME (μs)
0
SUPPLY CURRENT OPAMP (μA)
500
60812 G20
300200100
400
1600
1200
800
400
0
SUPPLY VOLTAGE (V)
4
3
2
1
0
T
A
= 25°C
NO BYPASS CAPACITOR
SUPPLY VOLTAGE
SUPPLY CURRENT
TEMPERATURE (°C)
–40
SUPPLY CURRENT (μA)
110 125
60812 G19
–10 20 50 65 80 95–25 5 35
390
370
350
330
290
310
270
250
V
CM
= 0.5V
PER AMPLIFIER
V
S
= 3V
V
S
= 5V
TYPICAL PERFORMANCE CHARACTERISTICS
Supply Current vs Temperature Supply Current vs Time Output Impedance vs Frequency
Open Loop Gain Open Loop Gain Open Loop Gain vs Frequency
Open Loop Gain vs Frequency CMRR vs Frequency PSRR vs Frequency
FREQUENCY (Hz)
100 1k 10k 100k 1M 10M 100M
OUTPUT IMPEDANCE (Ω)
60812 G21
1000
100
10
1
0.1
0.01
V
S
= 3V
V
CM
= 0.5V
T
A
= 25°C
A
V
= 100
A
V
= 10
A
V
= 1
OUTPUT VOLTAGE (V)
0
INPUT VOLTAGE (μV)
4.5 5.03.5 4.02.5 3.01.5 2.00.5 1.0
60812 G23
20
10
–40
–30
–20
–10
0
V
S
= 5V
T
A
= 25°C
R
L
= 100k
R
L
= 10k
R
L
= 2k
