LTC6257 Linear Technology, LTC6257 Datasheet - Page 11

• Manufacturer Part Number: LTC6257
• Description: 65uA Power Efficient Rail-to-Rail I/O Op Amps
• Manufacturer: Linear Technology

typicAl perForMAnce chArActeristics
–0.01
–0.02
–0.03
–0.04
–0.05
1000
0.05
0.04
0.03
0.02
0.01
0.01
100
0.1
10
0
1
0.01
0
Small-Signal Response
Output Impedance vs Frequency
V
V
S
CM
= ±2.5V
= 0V
0.1
20
FREQUENCY (Hz)
1
40
TIME (µs)
A
C
C
C
C
V
LOAD
LOAD
LOAD
LOAD
= 10
10
A
V
= 10pF
= 100pF
= 1nF
= 10nF
60
= 1
100
V
A
R
S
V
LOAD
= ±0.9V
= 1
80
1k
= 10k
625567 G31
625567 G12
100
10k
–0.5
–1.0
–1.5
–2.0
–2.5
2.5
2.0
1.5
1.0
0.5
80
70
60
50
40
30
20
10
0
0
0
0
Large-Signal Response
Supply Current vs SHDN Pin
Voltage
V
V
S
CM
0.2
= 1.8V, 0V
= 0.4V
20
0.4
0.6
V
A
C
S
V
LOAD
0.8
40
V
TIME (µs)
= ±2.5V
= 1
SHDN
1.0
= 100nF
LTC6255/LTC6256/LTC6257
–40°C
125°C
(V)
25°C
60
1.2
1.4
80
1.6
625567 G33
625567 G35
1.8
100
2.0
–0.01
–0.02
–0.03
–0.04
–0.05
0.05
0.04
0.03
0.02
0.01
90
80
70
60
50
40
30
20
10
0
0
0
0
Small-Signal Response
Supply Current vs SHDN Pin
Voltage
V
V
S
CM
= 5V, 0V
0.2
= 0.4V
200
0.4
0.6
400
V
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TIME (µs)
SHDN
0.8
(V)
600
1.0
–40°C
V
A
C
S
V
LOAD
1.2
= ±2.5V
= 1
25°C
800

125°C
= 100nF
1.4
625567 G36
625567 G34
625567f
1000
1.6