Datasheet

LTC6240/LTC6241/LTC6242
14
624012fc
Input Capacitance vs Frequency
Minimum Supply Voltage
Output Short Circuit Current vs
Power Supply Voltage Open Loop Gain
Open Loop Gain
Open Loop Gain
TYPICAL PERFOR A CE CHARACTERISTICS
UW
INPUT CAPACITANCE (pF)
16
14
12
10
8
6
4
2
0
1k 100k 1M 100M
10k 10M
FREQUENCY (Hz)
6241 G20
V
S
=
±1.5V
C
CM
TOTAL SUPPLY VOLTAGE (V)
02 614 8375910
CHANGE IN OFFSET VOLTAGE (µV)
100
20
40
60
80
–100
–80
–40
–60
–20
0
6241 G21
V
CM
= V
S
/2
T
A
= 125°C
T
A
= –55°C
T
A
= 25°C
POWER SUPPLY VOLTAGE (±V)
1.5 2.5 4.52.0 3.53.0 4.0 5.0
OUTPUT SHORT-CIRCUIT CURRENT (mA)
50
10
20
30
40
–50
–40
–20
–30
–10
0
6241 G22
SOURCING
SINKING
T
A
= 125°C
T
A
= 125°C
T
A
= –55°C
T
A
= –55°C
T
A
= 25°C
OUTPUT VOLTAGE (V)
0 0.5 2.51.51.0 2.0 3.0
INPUT VOLTAGE (µV)
120
100
20
40
60
80
0
6241 G23
T
A
= 25°C
V
S
= 3V, 0V
R
L
= 100k
R
L
= 10k
OUTPUT VOLTAGE (V)
012 534
INPUT VOLTAGE (µV)
120
100
20
40
60
80
–20
0
6241 G24
T
A
= 25°C
V
S
= 5V, 0V
R
L
= 1k
R
L
= 10k
OUTPUT VOLTAGE (V)
–5 –4 0–2–3 –1 51234
INPUT VOLTAGE (µV)
100
20
40
60
80
–60
–40
–20
0
6241 G25
T
A
= 25°C
V
S
= ±5V
R
L
= 1k
R
L
= 10k
Channel Separation vs Frequency
FREQUENCY (Hz)
10k 100k 10M1M 100M
VOLTAGE GAIN (dB)
–120
0
–10
–20
–30
–40
–50
–60
–70
–110
–100
–90
–80
6241 G18
T
A
= 25
°C
V
S
=
±2.5V
A
V
= 1
Power Supply Rejection Ratio vs
Frequency
POWER SUPPLY REJECTION RATIO (dB)
90
80
70
60
50
40
30
20
10
0
1k 100k 1M 100M
10k 10M
FREQUENCY (Hz)
6241 G19
T
A
= 25
°C
V
S
=
±2.5V
POSITIVE SUPPLY
NEGATIVE SUPPLY
Offset Voltage vs Output Current
OUTPUT CURRENT (mA)
–50 –40 –30 –20 –10 10 302004050
OFFSET VOLTAGE (µV)
500
400
100
200
300
–500
–400
–300
–100
–200
0
6241 G26
T
A
= 125°C
T
A
= –55°C
T
A
= 25°C
V
S
= ±5V