LT1078/LT1079
W
U
TYPICAL PERFORMANCE CHARACTERISTICS
Output Saturation vs Temperature
vs Sink Current
Output Voltage Swing
vs Load Current
Distribution of Input Offset Voltage
(LT1078 in 8-Pin SO Package)
+
V
1000
100
10
16
14
12
10
8
I
= 2mA
25°C
SINK
125°C
T
= 25°C
= 5V, 0V
A
S
V
+
+
V
V
– 1
– 2
–55°C
I
= 1mA
SINK
I
= 100µA
= 10µA
SINK
I
SINK
V
S
= 5V, 0V
I
= 1µA
6
SINK
–
–
V
V
+ 2
+ 1
125°C
4
NO LOAD
25°C
2
R
L
= 5k TO GND
–55°C
–
0
V
1
0
40
–160 –120 –80 –40
80 120 160
–50 –25
0
25
50
75 100 125
0.01
0.1
1
10
TEMPERATURE (°C)
SOURCING OR SINKING LOAD CURRENT (mA)
INPUT OFFSET VOLTAGE (µV)
LT1078/79 • TPC19
LT1078/79 • TPC20
LT1078/79 • TPC21
Common Mode Range
vs Temperature
Undistorted Output Swing
vs Frequency
Closed Loop Output Impedance
+
30
20
10
0
V
+
–
V
S
L
= ±15V
≥ 100k
V
V
= 2.5V TO 18V
= 0V TO –18V
1k
R
5
4
3
2
1
0
+
V
– 1
– 2
+ 1
V
= 5V, 0V
≥ 100k
S
L
A
= 100
V
R
100
A
= 10
+
–
V
V
V
V
= 5V, 0V
≥ 1k
S
L
R
V
R
= ±15V
= 30k
10
1
S
L
A
= 1
V
–
V
T
= 25°C
A
LOAD R ,
L
0.1
TO GND
–
V
– 1
0.01
1
10
100
10
100
1k
10k
100k
–50 –25
0
25
50
75 100 125
FREQUENCY (kHz)
TEMPERATURE (°C)
FREQUENCY (Hz)
LT1078/79 • TPC23
LT1078/79 • TPC24
LT1078/79 • TPC22
Common Mode Rejection Ratio
vs Frequency
Power Supply Rejection Ratio
vs Frequency
Channel Separation vs Frequency
120
120
100
80
60
40
20
0
140
120
100
80
T
A
= 25°C
100
80
60
40
20
0
V
S
= ±15V
POSITIVE
SUPPLY
V
S
= 5V, 0V
NEGATIVE
SUPPLY
60
40
T
= 25°C
A
S
V
V
= ±2.5V
20
T
= 25°C
= 3V TO 2kHz
A
S
IN
P-P
= 10k
V
= ±2.5V + 1V SINE WAVE
R
P-P
L
0
10
100
1k
10k
100k
1M
1k
100k 1M
0.1
1
10 100
10k
10k
FREQUENCY (Hz)
1M
1
10
100
1k
100k
FREQUENCY (Hz)
FREQUENCY (Hz)
LT1078/79 • TPC25
LT1078/79 • TPC26
LT1078/79 • TPC27
9
Linear [ Linear ]
