Datasheet
LT6202/LT6203/LT6204
15
620234fd
TYPICAL PERFORMANCE CHARACTERISTICS
FREQUENCY (Hz)
BALANCED NOISE CURRENT (pA/√Hz)
7
6
5
4
3
2
1
0
10 1k 10k 100k
LT6202/03/04 G19
100
BALANCED SOURCE
RESISTANCE
V
S
= 5V, 0V
T
A
= 25°C
PNP ACTIVE
V
CM
= 0.5V
NPN ACTIVE
V
CM
= 4.5V
BOTH ACTIVE
V
CM
= 2.5V
FREQUENCY (Hz)
4
UNBALANCED NOISE CURRENT (pA/√Hz)
8
12
2
6
10
10 1k 10k 100k
LT6202/03/04 G19.1
0
100
UNBALANCED SOURCE
RESISTANCE
V
S
= 5V, 0V
T
A
= 25°C
PNP ACTIVE
V
CM
= 0.5V
BOTH ACTIVE
V
CM
= 2.5V
NPN ACTIVE
V
CM
= 4.5V
TIME (2s/DIV)
OUTPUT VOLTAGE (nV)
1200
1000
800
400
0
–400
–800
–1000
– 1200
LT6202/03/04 G20
V
S
= 5V, 0V
V
CM
= V
S
/2
TEMPERATURE (°C)
–55
40
GAIN BANDWITH (MHz)
60
100
120
50
LT6202/03/04 G21
80
0
–25
75 100
25 125
V
S
= 3V, 0V
V
S
= 3V, 0V
V
S
= ±5V
V
S
= ±5V
PHASE MARGIN (DEG)
PHASE MARGIN
GAIN BANDWIDTH
90
80
70
60
FREQUENCY (Hz)
GAIN (dB)
80
70
60
50
40
30
20
10
0
–10
–20
120
100
80
60
40
20
0
–20
–40
–60
–80
100k 10M 100M 1G
LT6202/03/04 G22
1M
PHASE (DEG)
PHASE
GAIN
V
S
= 3V, 0V
V
S
= 3V, 0V
V
S
= ±5V
V
S
= ±5V
C
L
= 5pF
R
L
= 1k
V
CM
= 0V
FREQUENCY (Hz)
GAIN (dB)
80
70
60
50
40
30
20
10
0
–10
–20
120
100
80
60
40
20
0
–20
–40
–60
–80
100k 10M 100M 1G
LT6202/03/04 G23
1M
PHASE (DEG)
PHASE
GAIN
V
S
= 5V, 0V
C
L
= 5pF
R
L
= 1k
V
CM
= 0.5V
V
CM
= 0.5V
V
CM
= 4.5V
V
CM
= 4.5V
TOTAL SUPPLY VOLTAGE (V)
0
GAIN BANDWITH (MHz)
6
LT6202/03/04 G24
120
80
2 4 8
60
40
100
10 12 14
PHASE MARGIN (DEG)
PHASE MARGIN
GAIN BANDWIDTH
90
80
70
60
50
T
A
= 25°C
R
L
= 1k
C
L
= 5pF
TEMPERATURE (°C)
–55
40
50
70
25 75
LT6202/03/04 G25
30
20
–25 0
50 100 125
10
0
60
SLEW RATE (V/µs)
V
S
= ±5V
V
S
= ±2.5V
RISING
FALLING
A
V
= –1
R
F
= R
G
= 1k
R
L
= 1k
V
S
= ±5V
V
S
= ±2.5V
FREQUENCY (Hz)
1
OUTPUT IMPEDANCE (Ω)
10
100k 10M 100M
LT6202/03/04 G26
0.1
1M
0.01
100
1000
V
S
= 5V, 0V
A
V
= 1
A
V
= 2
A
V
= 10
Gain Bandwidth and Phase
Margin vs Temperature Open-Loop Gain vs Frequency Open-Loop Gain vs Frequency
Gain Bandwidth and Phase
Margin vs Supply Voltage Slew Rate vs Temperature Output Impedance vs Frequency
Balanced Noise Current
vs Frequency
Unbalanced Noise Current
vs Frequency
0.1Hz to 10Hz
Output Voltage Noise