LT1078_1 Datasheet, PDF (8/20 Pages) Linear Technology – Micropower, Dual and Quad, Single Supply, Precision Op Amps

LT1078/LT1079
TYPICAL PERFORMANCE CHARACTERISTICS
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)
LT1078/79 • TPC10
Gain, Phase vs Frequency
30
PHASE
MARGIN
100
66°
20
5V, 0V
10
GAIN
120
±15V
140
PHASE
MARGIN
160
54°
5V, 0V
180
0
±15V
200
T_A = 25°C
C_L = 20pF
–10
10
30
100
300
FREQUENCY (kHz)
1000
LTC1078/79 TPC11
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)
LT1078/79 • TPC12
Slew Rate, Gain Bandwidth
Product and Phase Margin vs
Temperature
0.12
0.10
SLEW = ±15V
0.08
SLEW = 5V, 0V
0.06
80
0.04
φ_M = ±15V
70
φ_M = 5V, 0V
60
240
50
220
GBW = ±15V
40
200
180 _{fO = 20kHz}
GBW = 5V, 0V
160
–50 –25 0 25 50 75
TEMPERATURE (°C)
100 125
LT1078/79 • TPC13
Large-Signal Transient Response
V_S = 5V, 0V
Large-Signal Transient Response
V_S = ±15V
0V
A_V = 1, NO LOAD 50µs/DIV
INPUT PULSE 0V TO 3.8V
LT1078/79 • TPC27
A_V = 1
NO LOAD
0V
100µs/DIV
LT1078/79 • TPC28
Minimum Supply Voltage
100
V^– = 0V
–0.1V ≤ V_CM ≤ 0.4V
0
125°C
–100
Warm-Up Drift
0.8
T_A = 25°C
0.7 ^VS ^{= ±15V}
WARM UP DRIFT
0.6 ^{AT V}S ^{= 5V, 0V IS}
IMMEASURABLY LOW
0.5
Voltage Gain vs Load Resistance
10M
V_S = ±15V
V_S = 5V, 0V
25°C
125°C
– 55°C
–200
70°C
0.4
1M
0°C
25°C
–55°C
0.3
–300 _{NONFUNCTIONAL}
LT1079
0.2
–400
0.1
LT1078
– 55°C
25°C
125°C
–500
0
1
2
3
POSITIVE SUPPLY VOLTAGE (V)
LT1078/79 • TPC16
0
0
1
2
3
TIME AFTER POWER-ON (MINUTES)
LT1078/79 • TPC17
100k
100
1k
10k
100k
1M
LOAD RESISTANCE TO GROUND (Ω)
LT1078/79 • TPC18
10789fe
8