Datasheet

6
LTC1418
TYPICAL PERFORMANCE CHARACTERISTICS
UW
FREQUENCY (Hz)
1k
DISTORTION (dB)
10k 100k
1418 G08
1M 10M
0
–20
–40
–60
–80
–100
–120
V
SS
V
DD
DGND
Power Supply Feedthrough
vs Ripple Frequency
V
DD
Supply Current vs
Temperature (Unipolar Mode)
V
DD
Supply Current vs Sampling
Frequency (Bipolar Mode)
SAMPLING FREQUENCY (kHz)
0
V
DD
SUPPLY CURRENT (mA)
50
100
150 200
1418 G15
250 300
5
4
3
2
1
0
INPUT FREQUENCY (Hz)
110
COMMON MODE REJECTION (dB)
10k 100k
90
80
70
60
50
40
30
20
10
0
1418 G09
100 1k 1M
Input Common Mode Rejection
vs Input Frequency
Input Offset Voltage Shift
vs Source Resistance
INPUT SOURCE RESISTANCE (Ω)
CHANGE IN OFFSET VOLTAGE (LSB)
10
9
8
7
6
5
4
3
2
1
0
10 1k 10k 1M
1418 G10
100 100k
TEMPERATURE (°C)
–75
V
DD
SUPPLY CURRENT (mA)
75
1418 G12
–50 150
–25
0 25 50 100
125
5
4
3
2
1
0
V
DD
Supply Current vs
Temperature (Bipolar Mode)
V
SS
Supply Current vs
Temperature (Bipolar Mode)
SAMPLING FREQUENCY (kHz)
0
V
SS
SUPPLY CURRENT (mA)
50
100
150 200
1418 G16
250 300
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
V
SS
Supply Current vs Sampling
Frequency (Bipolar Mode)
TEMPERATURE (°C)
–75
V
SS
SUPPLY CURRENT (mA)
75
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
1418 G13
–50 150
–25
0 25 50 100
125
V
DD
Supply Current vs Sampling
Frequency (Unipolar Mode)
SAMPLING FREQUENCY (kHz)
0
V
DD
SUPPLY CURRENT (mA)
50
100 150 200
1418 G14
250 300
5
4
3
2
1
0
TEMPERATURE (°C)
–75
V
DD
SUPPLY CURRENT (mA)
75
5
4
3
2
1
0
1418 G11
–50 150
–25
0 25 50 100
125