Datasheet

LT1801/LT1802
10
18012fc
TYPICAL PERFORMANCE CHARACTERISTICS
Open-Loop Gain
Open-Loop Gain Offset Voltage vs Output Current
Warm-Up Drift vs Time
Open-Loop Gain
Output Short-Circuit Current
vs Power Supply Voltage
Input Noise Voltage vs Frequency
POWER SUPPLY VOLTAGE (±V)
1.5
–70
OUTPUT SHORT-CIRCUIT CURRENT (mA)
–50
–30
–10
70
30
2
3
3.5 5
50
10
–60
–40
–20
60
20
40
0
2.5
4
4.5
T
A
= 125°C
T
A
= 125°C
T
A
= –55°C SINKING
SOURCINGT
A
= –55°C
T
A
= 25°C
T
A
= 25°C
18012 G10
OUTPUT VOLTAGE (V)
0
–2000
CHANGE IN OFFSET VOLTAGE (μV)
–1200
–400
400
0.5
1
1.5 2
18012 G11
2.5
1200
2000
–1600
–800
0
800
1600
3
V
S
= 3V, 0V
R
L
TO GND
R
L
= 1k
R
L
= 100Ω
OUTPUT VOLTAGE (V)
0
CHANGE IN OFFSET VOLTAGE (μV)
400
1200
2000
4
18012 G12
–400
–1200
0
800
1600
–800
–1600
–2000
10.5
21.5
3 3.5 4.5
2.5
5
V
S
= 5V, 0V
R
L
TO GND
R
L
= 1k
R
L
= 100Ω
OUTPUT VOLTAGE (V)
–5
CHANGE IN OFFSET VOLTAGE (μV)
400
1200
2000
3
18012 G13
–400
–1200
0
800
1600
–800
–1600
–2000
–3–4
–1–2
12 4
0
5
V
S
= ±5V
R
L
TO GND
R
L
= 1k
R
L
= 100Ω
OUTPUT CURRENT (mA)
–60
CHANGE IN OFFSET VOLTAGE (mV)
0
1.0
60
18012 G14
–1.0
–2.0
–30
0
30
–45
–15
15
45
2.0
–0.5
0.5
–1.5
1.5
V
S
= ±5V
T
A
= 125°C
T
A
= –55°C
T
A
= 25°C
TIME AFTER POWER-UP (SECONDS)
0
OFFSET VOLTAGE (μV)
110
60
18012 G15
80
60
20 40 80
50
40
120
100
90
70
100 120 140
V
S
= ±5V
V
S
= ±2.5V
V
S
= ±1.5V
TYPICAL PART
FREQUENCY (kHz)
20
NOISE VOLTAGE (nV/√Hz)
40
60
10
30
50
0.01 1 10 100
18012 G16
0
0.1
V
S
= 5V, 0V
NPN ACTIVE
V
CM
= 4.25V
PNP ACTIVE
V
CM
= 2.5V
Minimum Supply Voltage
TOTAL SUPPLY VOLTAGE (V)
0
–0.6
CHANGE IN OFFSET VOLTAGE (mV)
–0.4
0
0.2
0.4
2
3
3.5 5.5
18012 G09
–0.2
1.5 2.5
4
4.5
5
0.6
T
A
= 125°C
T
A
= –55°C
T
A
= 25°C