Datasheet

8
LT1112/LT1114
CCHARA TERIST
ICS
UW
AT
Y
P
I
CA
LPER
F
O
R
C
E
Power Supply Rejection
vs Frequency
Slew Rate, Gain-Bandwidth
Product and Phase Margin
vs Temperature
Voltage Gain
OUTPUT VOLTAGE (V)
–15
15
CHANGE IN OFFSET VOLTAGE (µV)
10
5
0
–5
–15
–10
–5 0 5
LT1112/14 • TPC19
10 15
–10
V
S
= ±15V
T
A
= 25°C
R
L
= 10k
R
L
= 2k
FREQUENCY (Hz)
0.1
POWER SUPPLY REJECTION RATIO (dB)
100
120
140
100 10k
LT1112/14 • TPC23
80
60
110
1k 100k 1M
40
20
V
S
= ±15V
T
A
= 25°C
POSITIVE
SUPPLY
NEGATIVE 
SUPPLY
FREQUENCY (Hz)
1

80
100
120
1k 100k
LT1112/14 • TPC22
60
40
10 100
10k 1M
20
0
COMMON-MODE REJECTION RATIO (dB)
140
V
S
= ±15V
T
A
= 25°C
Common-Mode Rejection
vs Frequency Channel Separation vs Frequency
Closed-Loop Output Impedance
Capacitive Loading Handling
Gain, Phase Shift vs Frequency
Voltage Gain vs Frequency
FREQUENCY (Hz)
0.01
VOLTAGE GAIN (dB)
60
80
100
1M
LT1112/14 • TPC20
40
20
–20
1
100
10k
0
140
120
0.1 10M
10
1k
100k
V
S
= ±15V
T
A
= 25°C
FREQUENCY (MHz)
0.01
–10
GAIN (dB)
20
30
40
0.1 1 10
LT1112/14 • TPC21
10
0
V
S
= ±15V
T
A
= 25°C
PHASE
GAIN
PHASE MARGIN = 70°C
200
140
120
100
160
180
PHASE SHIFT (DEG)
FREQUENCY (Hz)
1
CHANNEL SEPARATION (dB)
80
100
120
10k
160
LT1112/14 • TPC24
100 1M
140
10
100k
1k
V
S
= ±15V
T
A
= 25°C
AMP 1 IN UNITY-GAIN
20V
P-P
, R
L
= 2k
AMP 2 IN GAIN = 1000
R
S
= 100Ω, R
F
= 100k
FREQUENCY (Hz)
1
0.001
OUTPUT IMPEDANCE (Ω)
0.01
0.1
1
10
1000
10
100 1k 10k
LT1112/14 • TPC26
100k 1M
100
V
S
= ±15V
T
A
= 25°C
A
V
= 100 A
V
= +1
CAPACITIVE LOAD (µF)
0.00001
0
OVERSHOOT (%)
20
40
60
80
120
0.0001
0.001 0.01 0.1
LT1112/14 • TPC27
110
100
V
S
= ±15V
T
A
= 25°C
A
V
= 10
A
V
= +1
TEMPERATURE (°C)
–50
600
GAIN-BANDWIDTH PRODUCT (kHz)
800
0.4
0
50
75
LT1112/14 • TPC25
700
0.3
0.2
–25
25
100
125
SLEW RATE (V/µs)
80
70
60
PHASE MARGIN (DEG)
φ m
GBW
SLEW