Datasheet

LT6200/LT6200-5
LT6200-10/LT6201
12
62001ff
Typical perForMance characTerisTics
Warm-Up Drift
vs Time (LT6200S8)
Total Noise vs Source Resistance
Input Noise Voltage vs Frequency
TIME AFTER POWER-UP (SEC)
0
0
CHANGE IN OFFSET VOLTAGE (µV)
50
100
150
200
40 80
120
160
6200 G16
250
300
20 60
100
140
T
A
= 25°C
V
S
= ±5V
V
S
= ±1.5V
V
S
= ±2.5V
SOURCE RESISTANCE (Ω)
1
TOTAL NOISE VOLTAGE (nV/√Hz)
10
10 1k 10k 100k
6200 G17
0.1
100
100
LT6200
TOTAL NOISE
RESISTOR
NOISE
LT6200 AMPLIFIER
NOISE VOLTAGE
V
S
= ±5V
V
CM
= 0V
f = 100kHz
UNBALANCED
SOURCE
RESISTORS
FREQUENCY (Hz)
10
NOISE VOLTAGE (nV/√Hz)
25
30
35
100k
6200 G18
20
15
0
100
1k
10k
10
5
45
40
V
S
= 5V, 0V
T
A
= 25°C
PNP ACTIVE
V
CM
= 0.5V
NPN ACTIVE
V
CM
= 4.5V
BOTH ACTIVE
V
CM
= 2.5V
Balanced Noise Current
vs Frequency
0.1Hz to 10Hz Output
Noise Voltage
FREQUENCY (Hz)
5
BALANCED NOISE CURRENT (pA/√Hz)
10
15
20
25
10 1k 10k 100k
6200 G19
0
100
V
S
= 5V, 0V
T
A
= 25°C
BALANCED
SOURCE
RESISTANCE
PNP ACTIVE
V
CM
= 0.5V
NPN ACTIVE
V
CM
= 4.5V
BOTH ACTIVE
V
CM
= 2.5V
Unbalanced Noise Current
vs Frequency
FREQUENCY (Hz)
10
UNBALANCED NOISE CURRENT (pA/√Hz)
20
30
35
10 1k 10k 100k
6200 G20
0
100
25
15
5
V
S
= 5V, 0V
T
A
= 25°C
UNBALANCED
SOURCE
RESISTANCE
PNP ACTIVE
V
CM
= 0.5V
BOTH ACTIVE
V
CM
= 2.5V
NPN ACTIVE
V
CM
= 4.5V
TIME (5SEC/DIV)
OUTPUT VOLTAGE NOISE (nV)
6200 G21
V
S
= 5V, 0V
V
CM
= V
S
/2
800
600
400
200
0
–200
–400
–600
–800
Supply Current
vs SHDN Pin Voltage
SHDN PIN VOLTAGE (V)
0
0
SUPPLY CURRENT (mA)
4
8
12
16
1 2 3 4
6200 G21a
5
20
2
6
10
14
18
22
T
A
= –55°C
T
A
= 25°C
T
A
= 125°C
V
S
= 5V, 0V
SHDN Pin Current
vs SHDN Pin Voltage
SHDN PIN VOLTAGE (V)
0
–50
0
50
4
6200 G21b
–100
–150
1 2 3 5
–200
–250
–300
SHDN PIN CURRENT (µA)
T
A
= 25°C
T
A
= 125°C
V
S
= 5V, 0V
T
A
= –55°C