LTC6240/LTC6241/LTC6242
17
624012fe
Warm-Up Drift vs Time
Noise Voltage vs Frequency
Series Output Resistance and
Overshoot vs Capacitive Load
Series Output Resistance and
Overshoot vs Capacitive Load
0.1Hz to 10Hz Voltage Noise
Noise Current vs Frequency
Minimum Output Series
Resistance vs Capacitive Load
Settling Time vs Output Step
(Inverting)
Settling Time vs Output Step
(Non-Inverting)
TYPICAL PERFORMANCE CHARACTERISTICS
TIME AFTER POWER UP (s)
010 3020540605015 3525 45 55
CHANGE IN OFFSET VOLTAGE (µV)
25
15
20
–5
0
10
5
6241 G28
T
A
= 25°C
V
S
= ±1.5V
V
S
= ±2.5V
V
S
= ±5V
FREQUENCY (Hz)
20
10
NOISE VOLTAGE (nV/√Hz)
30
40
50
60
1 100 1k 100k
6241 G29
0
10
10k
T
A
= 25°C
V
S
= ±2.5V
V
CM
= 0V
TIME (1s/DIV)
VOLTAGE NOISE (200nV/DIV)
6241 G30
V
S
= 5V, 0V
FREQUENCY (Hz)
1
NOISE CURRENT (fA/√Hz)
10
100 10k 100k
6241 G31
0.1
1k
1000
100
T
A
= 25°C
V
S
= ±2.5V
V
CM
= 0V
CAPACITIVE LOAD (pF)
10
OVERSHOOT (%)
60
50
40
30
20
10
0
100 1000
6241 G32
R
S
= 50Ω
R
S
= 10Ω
V
S
= ±2.5V
A
V
= –1
R
S
1k
1k
C
L
75pF
+
–
0.01µF 1µF0.1µF1000pF100pF
CAPACITIVE LOAD
1
OUTPUT SERIES RESISTANCE (Ω)
10
10pF
10µF
6241 G33
0.1
1000
100
V
S
= ±2.5V
<30% OVERSHOOT
CAPACITIVE LOAD (pF)
10
OVERSHOOT (%)
60
50
40
30
20
10
0
100 1000
6241 G34
R
S
= 50Ω
R
S
= 10Ω
V
S
= ±2.5V
A
V
= –2
R
S
500Ω
1k
C
L
75pF
+
–
OUTPUT STEP (V)
–4 –2 3–3 10–1 2 4
SETTLING TIME (µs)
3.5
1.5
2.0
2.5
3.0
0
0.5
1.0
6241 G35
10mV
1mV
10mV
1mV
T
A
= 25°C
V
S
= ±5V
A
V
= 1
V
OUT
V
IN
1k
+
–
3.0
1.5
2.0
2.5
0
0.5
1.0
OUTPUT STEP (V)
–4 –2 3–3 10–1 2 4
SETTLING TIME (µs)
6241 G36
10mV
1mV
10mV
1mV
T
A
= 25°C
V
S
= ±5V
A
V
= –1
V
OUT
V
IN
1k
+
–
1k
1k