lt1012a Linear Technology Corporation, lt1012a Datasheet - Page 10

• Manufacturer Part Number: lt1012a
• Description: Picoamp Input Current, Microvolt Offset, Low Noise Op Amp
• Manufacturer: Linear Technology Corporation

LT1012A/LT1012
10
TYPICAL PERFOR A CE CHARACTERISTICS
–10
–15
–20
–5
20
15
10
Small-Signal Transient Response
5
0
A
C
V
LOAD
Output Short-Circuit Current
vs Time
0
= +1
TIME FROM OUTPUT SHORT (MINUTES)
= 100pF
V
V
V
V
V
V
V
V
+
+
+
+
–
–
–
–
– 0.3
– 0.6
– 0.9
– 1.2
+ 1.2
+ 0.9
+ 0.6
+ 0.3
V
V
+
–
–50
Common Mode Range and Voltage
Swing at Minimum Supply Voltage
1
5 s/DIV
V
–25
S
= 15V
–55 C
125 C
125 C
25 C
–55 C
25 C
0
TEMPERATURE ( C)
2
W
25
LT1012A • TPC19
U
50
SWING R
SWING R
SWING R
3
CM RANGE
CM RANGE
75
L
0.001
LT1012A • TPC22
0.01
= 10k
L
L
0.1
100
= 2k
= 2k
1
1
Slew Rate, Gain Bandwidth
Product vs Overcompensation
Capacitor
Small-Signal Transient Response
V
T
A
C
125
S
A
V
LOAD
OVERCOMPENSATION CAPACITOR (pF)
= +1
= 15V
= 25 C
SLEW
= 1000pF
10
100
5 s/DIV
GBW
1000
1.8
1.6
1.4
1.2
1.0
0.8
LT1012A • TPC20
–50
Minimum Supply Voltage,
Voltage Gain at V
10,000
–25
100
10
1
1000
R
R
0
TEMPERATURE ( C)
L
L
= 10k
= 2k
25
0.001
1000
0.01
100
0.1
10
MIN
1
Large-Signal Transient Response
50
A
V
1
Closed-Loop Output Impedance
= +1
75
10
LT1012A • TPC23
100
A
V
FREQUENCY (Hz)
= 1000
100
125
20 s/DIV
400k
300k
200k
100k
0
1
sn1012 1012afbs
A
V
V
T
I
= +1
10
S
0
A
LT1012A • TPC21
= 1mA
= 15V
= 25 C
100