LT1112/LT1114
TYPICAL PERFOR A CE CHARACTERISTICS
U W
Common Mode Range and
Voltage Swing with Respect to
Supply Voltages
Minimum Supply Voltage vs Temp
Voltage Gain at Minimum Supply
Voltage
Output Voltage Swing
vs Load Current
+
+
V
±1.2
±1.1
±1.0
±0.9
V
V
L
= ±1V TO ±20V
S
+
+
+
+
+
–
–
–
–
V
V
V
V
V
V
V
V
V
– 0.2
– 0.4
– 0.6
– 0.8
– 1.0
+ 0.8
+ 0.6
+ 0.4
+ 0.2
I
< 100µA
+
+
V
V
– 1
– 2
V
T
= ±1V TO ± 20V
= 25°C
S
A
SWING
MAX I AT ±1V = 1.3mA
L
AT ±1.5V = 3mA
+
–
–
CM RANGE
V
V
V
– 3
+ 3
+ 2
100
80
SWING
60
CM RANGE
40
–
V
+ 1
–
–
V
V
–75
–25
25
75
125
–50
0
25
50
75 100 125
3
9
–25
–9
–6
SINK
–3
0
6
SOURCE
TEMPERATURE (°C)
TEMPERATURE (°C)
OUTPUT CURRENT (mA)
LT1112/14 • TPC17
LT1112/14 • TPC16
LT1112/14 • TPC18
Voltage Gain
Voltage Gain vs Frequency
Gain, Phase Shift vs Frequency
–15
–10
–5
0
40
30
100
120
140
160
180
200
140
120
100
80
V
= ±15V
= 25°C
V = ±15V
S
T = 25°C
A
S
A
V
T
= ±15V
= 25°C
S
A
T
PHASE
20
R
= 10k
L
GAIN
60
10
R
= 2k
L
40
5
20
0
10
PHASE MARGIN = 70°C
0
–10
15
–20
0.01 0.1
–15
–5
0
5
10
15
0.01
0.1
1
10
–10
100 1k
10k 100k 1M 10M
1
10
OUTPUT VOLTAGE (V)
FREQUENCY (MHz)
FREQUENCY (Hz)
LT1112/14 • TPC21
LT1112/14 • TPC19
LT1112/14 • TPC20
Common Mode Rejection
vs Frequency
Power Supply Rejection
vs Frequency
Channel Separation vs Frequency
160
140
140
120
100
80
V
= ±15V
= 25°C
V
T
= ±15V
= 25°C
S
A
V
T
= ±15V
= 25°C
S
A
S
A
T
120
100
80
NEGATIVE
SUPPLY
140
120
100
80
POSITIVE
SUPPLY
60
60
40
20
40
AMP 1 IN UNITY-GAIN
20V , R = 2k
P-P
L
AMP 2 IN GAIN = 1000
= 100Ω, R = 100k
20
R
S
F
0
1k
FREQUENCY (Hz)
100k 1M
1
10
100
1k
1M
0.1
1
10 100
10k
10k 100k
10k
FREQUENCY (Hz)
1M
1
10
100
1k
100k
FREQUENCY (Hz)
LT1112/14 • TPC23
LT1112/14 • TPC24
LT1112/14 • TPC22
111214fb
8
Linear Systems [ Linear Systems ]
