Datasheet

LTC6255/LTC6256/LTC6257
10
625567fb
Capacitive Load Handling
Overshoot vs Capacitive Load Large-Signal Response Large-Signal Response
TIME (ms)
0
VOLTAGE (V)
2.5
–0.5
2.0
1.0
0
–1.5
1.5
0.5
–2.0
–10
–2.5
60
625567 G29
100804020
V
S
= ±2.5V
A
V
= 1
R
LOAD
= 10kΩ
C
LOAD
= 10pF
C
LOAD
= 100pF
C
LOAD
= 1nF
C
LOAD
= 10nF
TIME (µs)
0
VOLTAGE (V)
0.9
0.6
0
–0.3
0.3
–0.6
–0.9
60
625567 G30
100804020
V
S
= ±0.9V
A
V
= 1
R
LOAD
= 10kΩ
C
LOAD
= 10pF
C
LOAD
= 100pF
C
LOAD
= 1nF
C
LOAD
= 10nF
C
LOAD
(nF)
OVERSHOOT (%)
625567 G28
0.01 0.1 10 1001
16
8
4
12
0
10
6
14
2
V
S
= ±2.5V
V
CM
= 0V
A
V
= 1
V
IN
= ±2V
typicAl perForMAnce chArActeristics
Slew Rate vs Supply Voltage
Common Mode Rejection Ratio
vs Frequency
Power Supply Rejection Ratio
vs Frequency
V
S
+
, SUPPLY VOLTAGE (V)
1.5
SLEW RATE (V/µs)
2.5
1.5
0.5
0
2.0
1.0
625567 G25
2.5 3.5 4.5 5.5
RISING
FALLING
V
S
–
= 0V
V
STEP
= V
S
+
– 1V
A
V
= 1
R
F
= R
G
= 10kΩ
CMMR (dB)
150
100
50
0
625567 G26
FREQUENCY (Hz)
1k 10k 1M 10M100k
V
S
= ±2.5V
V
CM
= 0V
PSSR (dB)
150
100
50
0
625567 G27
FREQUENCY (Hz)
0.001 0.01 0.1 1 10 1k 10k100
V
+
, V
S
= 1.8V, 0V
V
+
, V
S
= 5V, 0V
V
–
, V
S
= 1.8V, 0V
V
–
, V
S
= 5V, 0V