LT1078_15 Datasheet, PDF (9/20 Pages) Linear Technology – Micropower, Dual and Quad, Single Supply, Precision Op Amps

TYPICAL PERFORMANCE CHARACTERISTICS
Output Saturation vs Temperature
vs Sink Current
1000
I_SINK = 2mA
I_SINK = 1mA
100
I_SINK = 100μA
I_SINK = 10μA
V_S = 5V, 0V
I_SINK = 1μA
10
NO LOAD
1
–50 –25
R_L = 5k TO GND
0 25 50 75 100 125
TEMPERATURE (°C)
LT1078/79 • TPC19
Common Mode Range
vs Temperature
V⁺
V⁺ = 2.5V TO 18V
V^– = 0V TO –18V
V⁺ – 1
V⁺ – 2
V^– + 1
V^–
V^– – 1
–50 –25
0 25 50 75 100 125
TEMPERATURE (°C)
LT1078/79 • TPC22
Common Mode Rejection Ratio
vs Frequency
120
T_A = 25°C
100
V_S = ±15V
80
V_S = 5V, 0V
60
40
20
0
10
100
1k
10k 100k 1M
FREQUENCY (Hz)
LT1078/79 • TPC25
Output Voltage Swing
vs Load Current
V⁺
125°C
25°C
V⁺ – 1
– 55°C
V⁺ – 2
V^– + 2
V^– + 1
125°C
25°C
V^–
0.01
0.1
– 55°C
1
10
SOURCING OR SINKING LOAD CURRENT (mA)
LT1078/79 • TPC20
Undistorted Output Swing
vs Frequency
30
V_S = ±15V
R_L ≥ 100k
5
V_S = 5V, 0V
20
R_L ≥ 100k
4
V_S = 5V, 0V
R_L ≥ 1k
10
V_S = ±15V 3
R_L = 30k
2
T_A = 25°C
LOAD R_L,
TO GND
0
0.01
1
10
FREQUENCY (kHz)
1
0
100
LT1078/79 • TPC23
Power Supply Rejection Ratio
vs Frequency
120
100
80
NEGATIVE
60
SUPPLY
POSITIVE
SUPPLY
40
20
T_A = 25°C
V_S = ±2.5V + 1V_P-P SINE WAVE
0
0.1 1 10 100 1k 10k 100k 1M
FREQUENCY (Hz)
LT1078/79 • TPC26
LT1078/LT1079
Distribution of Input Offset Voltage
(LT1078 in 8-Pin SO Package)
16
T_A = 25°C
14 _{VS = 5V, 0V}
12
10
8
6
4
2
0
–160 –120 –80 –40 0 40 80 120 160
INPUT OFFSET VOLTAGE (μV)
LT1078/79 • TPC21
Closed Loop Output Impedance
1k
A_V = 100
100
A_V = 10
10
A_V = 1
1
0.1
10
100
1k
10k 100k
FREQUENCY (Hz)
LT1078/79 • TPC24
Channel Separation vs Frequency
140
120
100
80
60
40
T_A = 25°C
20
V_S = ±2.5V
V_IN = 3V_P-P TO 2kHz
R_L = 10k
0
1 10 100 1k
10k 100k 1M
FREQUENCY (Hz)
LT1078/79 • TPC27
10789fe
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