LT1168 Linear Technology, LT1168 Datasheet - Page 6

• Manufacturer Part Number: LT1168
• Description: Low Power/ Single Resistor Gain Programmable/ Micropower Precision Instrumentation Amplifier
• Manufacturer: Linear Technology

LT1168
TYPICAL PERFOR A CE CHARACTERISTICS
6
–10
–20
60
50
40
30
20
10
0
0.01
– 10
– 20
– 30
– 40
– 50
Gain vs Frequency
0.1Hz to 10Hz Noise Voltage, RTI
G = 1000
0
50
40
30
20
10
TIME FROM OUTPUT SHORT TO GROUND (MINUTES)
0
V
T
G = 1000
G = 100
G = 10
G = 1
A
S
Short-Circuit Current vs Time
0
1
= 25 C
= 15V
V
0.1
S
2
= 15V
3
FREQUENCY (kHz)
1
TIME (SEC)
4
1
5
T
T
T
T
T
T
A
A
10
A
A
A
A
6
= – 40 C
= – 40 C
= 25 C
= 25 C
= 85 C
= 85 C
2
7
V
T
W
S
A
100
8
= 15V
= 25 C
LT1168 • G02
1168 G12
9
3
U
1000
1168 G15
10
1000
1000
100
100
100
0.1
10
1k
10
10
1
1
1k
Current Noise Density vs
Frequency
1
1
Output Impedance vs Frequency
Voltage Noise Density vs
Frequency
1/f CORNER = 3Hz
V
T
G = 1 TO 1000
V
T
A
A
S
S
= 25 C
= 15V
= 25 C
= 15V
1/f CORNER = 2Hz
10
1/f CORNER = 55Hz
1/f CORNER = 7Hz
10k
10
FREQUENCY (Hz)
FREQUENCY (Hz)
FREQUENCY (Hz)
100
BW LIMIT
GAIN = 1000
GAIN = 1
GAIN = 10
GAIN = 100, 1000
1k
100k
100
RS
BW LIMIT
GAIN = 100
V
T
A
S
10k
= 15V
= 25 C
LT1168 • G01
1168 G17
1168 G13
1000
100k
1M
100
20
10
90
80
70
60
50
40
30
0
10
Overshoot vs Capacitive Load
0
0.1Hz to 10Hz Noise Voltage,
G = 1
0
0.1Hz to 10Hz Current Noise
V
V
R
V
T
S
OUT
L
A
V
T
S
A
S
1
1
= 15V
=
= 25 C
= 15V
G = 1
G = 10
G = 100, 1000
= 15V
= 25 C
= 50mV
2
2
CAPACITIVE LOAD (pF)
100
3
3
TIME (SEC)
TIME (SEC)
4
4
5
5
6
6
1000
7
7
8
8
1168 G16
1168 G14
1168 G11
9
9
10000
10
10