4
LT1920
TYPICAL PERFOR A CE CHARACTERISTICS
UW
Gain Nonlinearity, G = 1
NONLINEARITY (1ppm/DIV)
OUTPUT VOLTAGE (2V/DIV)G = 1
R
L
= 2k
V
OUT
= ±10V
1167 G01
Gain Nonlinearity, G = 10
NONLINEARITY (10ppm/DIV)
OUTPUT VOLTAGE (2V/DIV)
1167 G02
G = 10
R
L
= 2k
V
OUT
= ±10V
Gain Nonlinearity, G = 100
NONLINEARITY (10ppm/DIV)
OUTPUT VOLTAGE (2V/DIV)
G = 100
R
L
= 2k
V
OUT
= ±10V
1167 G03
Gain Nonlinearity, G = 1000
NONLINEARITY (100ppm/DIV)
OUTPUT VOLTAGE (2V/DIV)
G = 1000
R
L
= 2k
V
OUT
= ±10V
1167 G04
Warm-Up Drift
TIME AFTER POWER ON (MINUTES)
0
10
12
S8
N8
14
34
1920 G09
8
6
12 5
4
2
0
CHANGE IN OFFSET VOLTAGE (µV)
V
S
= ±15V
T
A
= 25°C
G = 1
Gain Error vs Temperature
TEMPERATURE (°C)
–50
GAIN ERROR (%)
–0.20
–0.10
–0.05
0
50
0.20
1920 G06
–0.15
0
–25
75
G = 1
25 100
0.05
0.10
0.15
V
S
= ±15V
V
OUT
= ±10V
R
L
= 2k
*DOES NOT INCLUDE
TEMPERATURE EFFECTS
OF R
G
G = 10*
G = 1000*
G = 100*
FREQUENCY (Hz)
0.1
COMMON MODE REJECTION RATIO (dB)
60
80
100
100
10k
1920 G14
40
20
0
110 1k
120
140
160
100k
G = 1000
G = 100
G = 10
G = 1
V
S
= ±15V
T
A
= 25°C
1k SOURCE
IMBALANCE
Common Mode Rejection Ratio
vs Frequency
FREQUENCY (Hz)
0.1
NEGATIVE POWER SUPPLY REJECTION RATIO (dB)
60
80
100
100
10k
1920 G15
40
20
0
110 1k
120
140
160
100k
G = 1000
G = 100
G = 10
G = 1
V
+
= 15V
T
A
= 25°C
Negative Power Supply Rejection
Ratio vs Frequency
COMMON MODE INPUT VOLTAGE (V)
–15
INPUT BIAS CURRENT (pA)
100
300
500
9
1920 G13
–100
–300
0
200
400
–200
–400
–500
–9
–3
3
–12 12
–6
0
6
15
–40°C
85°C
0°C
70°C
25°C
Input Bias Current
vs Common Mode Input Voltage
