LT1920 Linear Technology, LT1920 Datasheet - Page 4

• Manufacturer Part Number: LT1920
• Description: Single Resistor Gain Programmable/ Precision Instrumentation Amplifier
• Manufacturer: Linear Technology

TYPICAL PERFOR A CE CHARACTERISTICS
LT1920
4
– 200
– 300
– 400
– 500
–100
500
400
300
200
100
0
Gain Nonlinearity, G = 1000
G = 1000
R
V
Gain Nonlinearity, G = 1
G = 1
R
V
–15
OUT
L
OUT
L
Input Bias Current
vs Common Mode Input Voltage
= 2k
= 2k
–12
= 10V
= 10V
COMMON MODE INPUT VOLTAGE (V)
– 9
OUTPUT VOLTAGE (2V/DIV)
OUTPUT VOLTAGE (2V/DIV)
– 6
– 40 C
85 C
0 C
– 3
0
3
25 C
70 C
6
W
9
1167 G04
1167 G01
12
1920 G13
U
15
– 0.05
– 0.15
– 0.10
– 0.20
0.20
0.10
0.05
0.15
160
140
120
100
80
60
40
20
0
0
– 50
0.1
Common Mode Rejection Ratio
vs Frequency
Gain Error vs Temperature
V
V
R
*DOES NOT INCLUDE
TEMPERATURE EFFECTS
OF R
S
OUT
L
G = 10
R
V
G = 1000
G = 100
G = 1
G = 10
Gain Nonlinearity, G = 10
L
OUT
= 15V
= 2k
– 25
= 2k
= 10V
G
1
= 10V
TEMPERATURE ( C)
OUTPUT VOLTAGE (2V/DIV)
10
0
FREQUENCY (Hz)
100
25
G = 100*
50
1k
G = 1
V
T
1k SOURCE
IMBALANCE
A
G = 1000*
S
= 25 C
= 15V
10k
G = 10*
75
1920 G06
1920 G14
100k
100
1167 G02
140
120
160
100
80
14
12
10
60
40
20
0
8
6
4
2
0
0.1
Warm-Up Drift
0
Negative Power Supply Rejection
Ratio vs Frequency
Gain Nonlinearity, G = 100
G = 100
R
V
OUT
L
V
T
G = 1
A
S
= 2k
G = 100
G = 10
G = 1
= 25 C
= 15V
= 10V
TIME AFTER POWER ON (MINUTES)
1
1
OUTPUT VOLTAGE (2V/DIV)
10
FREQUENCY (Hz)
2
100
N8
S8
3
1k
V
T
G = 1000
4
A
10k
+
= 25 C
= 15V
1920 G09
1920 G15
1167 G03
100k
5