Datasheet

LTC1863/LTC1867
6
18637fa
TYPICAL PERFORMANCE CHARACTERISTICS
(LTC1863/LTC1867)
f
SAMPLE
(ksps)
1
SUPPLY CURRENT (mA)
2.0
1.5
1.0
0.5
0
10 100 1000
18637 G10
SUPPLY VOLTAGE (V)
4.5
SUPPLY CURRENT (mA)
5.5
18637 G11
4.75
5.0
5.25
1.5
1.4
1.3
1.2
1.1
1.0
TEMPERATURE (°C)
–50
SUPPLY CURRENT (mA)
1.5
1.4
1.3
1.2
1.1
1.0
–25
02550
18637 G12
75 100
V
DD
= 5V V
DD
= 5V
f
SAMPLE
= 200ksps
V
DD
= 5V
f
SAMPLE
= 200ksps
OUTPUT CODE
0
INL (LBS)
1.0
0.8
0.6
0.4
0.2
0
–0.2
–0.4
–0.6
–0.8
–1.0
1024
2048
2560
18637 G13
512 1536
3072
3584
4096
OUTPUT CODE
0
DNL (LBS)
1.0
0.8
0.6
0.4
0.2
0
–0.2
–0.4
–0.6
–0.8
–1.0
1024
2048
2560
18637 G14
512 1536
3072
3584
4096
Supply Current vs f
SAMPLE
Supply Current vs Supply Voltage Supply Current vs Temperature
Differential Nonlinearity vs
Output Code (LTC1863)
Integral Nonlinearity vs Output
Code (LTC1863)
Signal-to-Noise Ratio vs
Frequency
Signal-to-(Noise + Distortion) vs
Input Frequency
Total Harmonic Distortion vs
Input Frequency
INPUT FREQUENCY (kHz)
1
AMPLITUDE (dB)
100
90
80
70
60
50
40
30
20
10 100
18637 G07
INPUT FREQUENCY (kHz)
1
AMPLITUDE (dB)
100
90
80
70
60
50
40
30
20
10 100
18637 G08
INPUT FREQUENCY (kHz)
1
AMPLITUDE (dB)
–20
–30
–40
–50
–60
–70
–80
–90
–100
10 100
18637 G09
(LTC1867)