Datasheet

8
LT1112/LT1114
111214fb
Common Mode Range and
Voltage Swing with Respect to
Supply Voltages
Output Voltage Swing
vs Load Current
Minimum Supply Voltage vs Temp
Voltage Gain at Minimum Supply
Voltage
OUTPUT CURRENT (mA)
–9
V
+
– 1
06
LT1112/14 • TPC18
–6 –3
39
V
–
OUTPUT SWING (V)
V
+
V
+
– 2
V
+
– 3
V
–
+ 3
V
–
+ 2
V
–
+ 1
SINK SOURCE
V
S
= ±1V TO ± 20V
T
A
= 25°C
MAX I
L
AT ±1V = 1.3mA
AT ±1.5V = 3mA
TEMPERATURE (°C)
–75
V
–
COMMON MODE RANGE OR OUTPUT SWING (V)
V
+
–25
LT1112/14 • TPC17
V
+
– 0.2
25
125
V
+
– 0.4
V
+
– 0.6
V
+
– 0.8
V
+
– 1.0
V
–
+ 0.8
V
–
+ 0.6
V
–
+ 0.4
V
–
+ 0.2
75
V
S
= ±1V TO ±20V
I
L
< 100µA
SWING
CM RANGE
SWING
CM RANGE
TEMPERATURE (°C)
–50
MINIMUM SUPPLY (V)
60
80
100
±1.2
±0.9
0
50
75
LT1112/14 • TPC16
40
±1.0
±1.1
–25
25
100
125
VOLTAGE GAIN (V/mV)
TYPICAL PERFOR A CE CHARACTERISTICS
UW
Power Supply Rejection
vs Frequency
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
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