6
LTC1418
TYPICAL PERFORMANCE CHARACTERISTICS
UW
FREQUENCY (Hz)
1k
DISTORTION
(dB)
10k
100k
1418 G08
1M
10M
0
–20
–40
–60
–80
–100
–120
VSS
VDD
DGND
Power Supply Feedthrough
vs Ripple Frequency
VDD Supply Current vs
Temperature (Unipolar Mode)
VDD 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 (
)
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
VDD Supply Current vs
Temperature (Bipolar Mode)
VSS 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
VSS 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
VDD 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