LT1078/LT1079
TYPICAL PERFORMANCE CHARACTERISTICS
Voltage Gain vs Frequency
140
120
T
A
= 25°C
V
S
=
±15V
VOLTAGE GAIN (dB)
100
80
60
40
20
0
–20
0.01 0.1
VOLTAGE GAIN (dB)
5V, 0V
10
GAIN
PHASE
MARGIN
54°
OVERSHOOT (%)
V
S
= 5V, 0V
1
10 100 1k 10k 100k 1M
FREQUENCY (Hz)
LT1078/79 • TPC10
Slew Rate, Gain Bandwidth
Product and Phase Margin vs
Temperature
SLEW RATE (V/
µs)
0.12
0.10
0.08
0.06
0.04
φ
M
=
±15V
φ
M
= 5V, 0V
SLEW =
±15V
SLEW = 5V, 0V
PHASE MARGIN (DEG)
1V/DIV
70
60
50
5V/DIV
GAIN BANDWIDTH
PRODUCT (kHz)
240
220
200
180
f
O
= 20kHz
GBW = 5V, 0V
100
GBW =
±15V
160
–50 –25
50
25
0
75
TEMPERATURE (°C)
Minimum Supply Voltage
100
0
–100
–200
–300
–400
–500
70°C
0°C
25°C
NONFUNCTIONAL
–55°C
CHANGE IN OFFSET VOLTAGE (µV)
V
–
= 0V
–0.1V
≤
V
CM
≤
0.4V
125°C
INPUT OFFSET VOLTAGE (µV)
0.5
0.4
0.3
0.2
0.1
0
0
1
LT1078
LT1079
VOLTAGE GAIN (V/V)
0
2
3
1
POSITIVE SUPPLY VOLTAGE (V)
LT1078/79 • TPC16
8
U W
Gain, Phase vs Frequency
30
PHASE
MARGIN
66°
20
±15V
100
120
PHASE SHIFT (DEG)
Capacitive Load Handling
120
100
80
60
A
V
= 5
40
20
0
A
V
= 10
T
A
= 25°C
V
S
= 5V, 0V
140
160
5V, 0V
±15V
180
200
A
V
= 1
0
T
A
= 25°C
C
L
= 20pF
–10
10
30
100
300
FREQUENCY (kHz)
1000
10
100
1000
CAPACITIVE LOAD (pF)
10000
LT1078/79 • TPC12
LTC1078/79 TPC11
Large-Signal Transient Response
V
S
= 5V, 0V
Large-Signal Transient Response
V
S
=
±15V
80
0V
0V
40
A
V
= 1, NO LOAD
50µs/DIV
INPUT PULSE 0V TO 3.8V
LT1078/79 • TPC27
A
V
= 1
NO LOAD
100µs/DIV
LT1078/79 • TPC28
125
LT1078/79 • TPC13
Warm-Up Drift
0.8
0.7
0.6
T
A
= 25°C
V
S
=
±15V
WARM UP DRIFT
AT V
S
= 5V, 0V IS
IMMEASURABLY LOW
10M
Voltage Gain vs Load Resistance
V
S
=
±15V
V
S
= 5V, 0V
125°C
25°C
–55°C
1M
–55°C
25°C
125°C
2
3
LT1078/79 • TPC17
100k
100
TIME AFTER POWER-ON (MINUTES)
1k
10k
100k
LOAD RESISTANCE TO GROUND (Ω)
1M
LT1078/79 • TPC18
LINER [ LINEAR TECHNOLOGY ]
