Datasheet

LT1806/LT1807
13
18067fc
TYPICAL PERFORMANCE CHARACTERISTICS
SHDN PIN VOLTAGE (V)
0
SHDN PIN CURRENT (μA)
–60
–20
20
4
18067 G13
–100
–140
–80
–40
0
–120
–160
–180
1
2
3
5
T
A
= 125°C
T
A
= –55°C
T
A
= 25°C
V
S
= 5V, 0V
OUTPUT VOLTAGE (V)
0
–500
INPUT VOLTAGE (μV)
–300
–100
100
0.5
1.0
1.5 2.0
18067 G14
2.5
300
500
–400
–200
0
200
400
3.0
R
L
= 1k
R
L
= 100Ω
V
S
= 3V, 0V
R
L
TO GND
OUTPUT VOLTAGE (V)
0
–500
INPUT VOLTAGE (μV)
–300
–100
100
0.5
1.0
1.5 2.0
18067 G15
2.5
300
500
–400
–200
0
200
400
3.0 3.5 4.0 4.5 5.0
R
L
= 1k
R
L
= 100Ω
V
S
= 5V, 0V
R
L
TO GND
SHDN Pin Current
vs SHDN Pin Voltage Open-Loop Gain Open-Loop Gain
OUTPUT VOLTAGE (V)
–5
–500
INPUT VOLTAGE (μV)
–300
–100
100
–4
–3
–2 –1
18067 G16
0
300
500
–400
–200
0
200
400
12345
R
L
= 1k
R
L
= 100Ω
V
S
= p5V
OUTPUT CURRENT (mA)
–100
–2.5
OFFSET VOLTAGE (mV)
–1.5
–0.5
0.5
–80
–60
–40 –20
18067 G17
0
1.5
2.5
–2.0
–1.0
0
1.0
2.0
20 40 60 80 100
T
A
= 125°C
T
A
= –55°C
T
A
= 25°C
V
S
= p5V
TIME AFTER POWER-UP (SEC)
0
OFFSET VOLTAGE DRIFT (μV)
25
30
35
16014012010080
18067 G18
20
15
0
20
40
60
10
5
45
40
V
S
= p5V
V
S
= p2.5V
V
S
= p1.5V
Open-Loop Gain Offset Voltage vs Output Current
Warm-Up Drift
vs Time (LT1806S8)
FREQUENCY (kHz)
0.1
0
8
10
12
1 10 100
18067 G19
6
4
2
NOISE VOLTAGE (nV/Hz)
V
S
= 5V, 0V
NPN ACTIVE
V
CM
= 4.5V
PNP ACTIVE
V
CM
= 2.5V
FREQUENCY (kHz)
0.1
0
8
10
12
1 10 100
18067 G19
6
4
2
NOISE CURRENT (pA/Hz)
V
S
= 5V, 0V
NPN ACTIVE
V
CM
= 4.5V
PNP ACTIVE
V
CM
= 2.5V
TIME (SEC)
0
OUTPUT VOLTAGE (nV)
200
600
1000
8
18067 G21
–200
–600
0
400
800
–400
–800
–1000
21
43
67 9
5
10
Input Noise Voltage vs Frequency Input Noise Current vs Frequency
0.1Hz to 10Hz
Output Voltage Noise