LT2079CS Datasheet, PDF (7/16 Pages) Linear Dimensions Semiconductor – Micropower, Dual and Quad, Single Supply, Precision Op Amps

LT 2078/LT 2079
TYPICAL PERFORMANCE CHARACTERISTICS
Gain, Phase vs Frequency
30
20
5V, 0V
10
PHASE
MARGIN
100
58°
120
±15V
140
PHASE
MARGIN
160
46°
5V, 0V
180
0
±15V
200
–10
10
30
100
300
FREQUENCY (kHz)
1000
LTC2078/79 TPC12
Slew Rate, Gain Bandwidth Product
and Phase Margin vs Temperature
0.12
0.10
SLEW = ±15V
0.08
SLEW = 5V, 0V
75
0.06
65
φ_M = ±15V
0.04
55
φ_M = 5V, 0V
45
240 GBW = ±15V
220
200 _{GBW = 5V, 0V}
180 _{fO = 20kHz}
160
–50 –25 0 25 50 75
TEMPERATURE (°C)
100 125
LT2078/79 • TPC15
Undistorted Output Swing
vs Frequency
30
20
V_S = 5V, 0V
R_L ≥ 1k
10
V_S = ±15V
R_L ≥ 100k
5
V_S = 5V, 0V
R_L ≥ 100k
4
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
LT2078/79 • TPC18
Voltage Gain vs Frequency
140
T_A = 25°C
120
100
V_S = ±15V
80
V_S = 5V, 0V
60
40
20
0
–20
0.01 0.1
1 10 100 1k 10k 100k 1M
FREQUENCY (Hz)
LT2078/79 • TPC13
Voltage Gain vs Load Resistance
10M
V_S = ±15V
V_S = 5V, 0V
25°C
125°C
– 55°C
1M
– 55°C
25°C
125°C
100k
100
1k
10k
100k
1M
LOAD RESISTANCE TO GROUND (Ω)
LT2078/79 • TPC14
Channel Separation vs Frequency
120
100
80
60
40
T_A = 25°C
20
V_S = ±2.5V
V_IN = 3V_P-P
R_L = 10k
0
1 10 100 1k 10k 100k 1M
FREQUENCY (Hz)
LT2078/79 • TPC16
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)
LT2078/79 • TPC19
Capacitive Load Handling
120
T_A = 25°C
V_S = 5V, 0V
100
80
A_V = 1
60
A_V = 5
40
A_V = 10
20
0
10
100
1000
10000
CAPACITIVE LOAD (pF)
LT2078/79 • TPC17
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)
LT2078/79 • TPC20
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