LT1112_15 Datasheet, PDF (9/16 Pages) Linear Technology – Dual/Quad Low Power Precision, Picoamp Input Op Amps

LT1112/LT1114
TYPICAL PERFOR A CE CHARACTERISTICS
Slew Rate, Gain-Bandwidth
Product and Phase Margin
vs Temperature
0.4
SLEW
0.3
80
0.2
φm
70
800
60
GBW
700
600
–50 –25
0 25 50 75 100 125
TEMPERATURE (°C)
LT1112/14 • TPC25
Closed-Loop Output Impedance
1000
100
V_S = ±15V
T_A = 25°C
10
A_V = 100
1
A_V = +1
0.1
0.01
0.001
1
10 100 1k 10k 100k 1M
FREQUENCY (Hz)
LT1112/14 • TPC26
Small-Signal Transient Response
Large-Signal Transient Response
A_V = +1
C_L = 500pF
V_S = ±15V
2µs/DIV
A_V = +1
R_F = 10k
C_F = 100pF
V_S = ±15V
50µs/DIV
Capacitive Loading Handling
120
V_S = ±15V
100 ^{TA = 25°C}
80
60
A_V = +1
40
A_V = 10
20
0
0.00001 0.0001 0.001 0.01 0.1 1 10
CAPACITIVE LOAD (µF)
LT1112/14 • TPC27
Undistorted Output Voltage
vs Frequency
28
24
V_S = ±15V
20
T_A = 25°C
R_L = 10k
16
12
8
V_S = ±5V
4
0
1
10
100
1000
FREQUENCY (kHz)
LT1112/14 • TPC30
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9