LT1920C LINER [Linear Technology], LT1920C Datasheet - Page 5

• Manufacturer Part Number: LT1920C
• Description: Single Resistor Gain Programmable, Precision Instrumentation Amplifier
• Manufacturer: LINER [Linear Technology]

TYPICAL PERFOR A CE CHARACTERISTICS
1000
1000
100
100
160
140
120
100
10
80
60
40
10
20
0
0
0.1
1
Positive Power Supply Rejection
Ratio vs Frequency
Current Noise Density
vs Frequency
Voltage Noise Density
vs Frequency
1
V
T
S
A
G = 10
R
= 15V
= 25 C
G = 1
S
1
10
1/f
1/f
1/f
10
CORNER
CORNER
10
FREQUENCY (Hz)
CORNER
FREQUENCY (Hz)
FREQUENCY (Hz)
100
G = 100
100
= 9Hz
= 7Hz
= 10Hz
1k
GAIN = 100, 1000
100
1k
GAIN = 1000
BW LIMIT
GAIN = 10
GAIN = 1
V
T
W
A
V
T
–
10k
G = 1000
S
A
= 25 C
= – 15V
10k
= 15V
= 25 C
1920 G22
1920 G19
1920 G16
U
1000
100k
100k
– 20
–10
60
50
40
30
20
10
0
0
0.1Hz to 10Hz Current Noise
0.01
V
T
0
Gain vs Frequency
0.1Hz to 10Hz Noise Voltage,
G = 1
A
S
V
T
V
T
1
= 25 C
= 15V
S
A
A
S
1
= 25 C
= 25 C
= 15V
= 15V
2
0.1
2
G = 1000
G = 100
G = 10
G = 1
3
3
FREQUENCY (kHz)
TIME (SEC)
4
TIME (SEC)
1
4
5
5
6
10
6
7
7
8
100
8
1920 G23
9
1920 G17
1920 G20
9
10
1000
10
1.50
1.25
1.00
0.75
0.50
– 10
– 20
– 30
– 40
– 50
50
40
30
20
10
TIME FROM OUTPUT SHORT TO GROUND (MINUTES)
0
0
0
Supply Current vs Supply Voltage
Short-Circuit Current vs Time
0
0.1Hz to 10Hz Noise Voltage, RTI
G = 1000
V
T
S
A
1
= 25 C
= 15V
2
5
SUPPLY VOLTAGE ( V)
1
T
3
A
= – 40 C
TIME (SEC)
4
10
5
T
T
T
T
A
2
A
A
A
= – 40 C
= 25 C
= 85 C
= 85 C
6
LT1920
T
7
A
15
V
= 25 C
– 40 C
S
85 C
25 C
8
= 15V
3
1920 G24
1920 G18
1920 G21
9
5
20
10