TYPICAL PERFORMANCE CHARACTERISTICS
60
55
SNR, SINAD vs Encode Pulsewidth
IN
= 70.1 MHz
S
= 200 MSPS
30
35
SFDR, THD vs Encode Pulsewidth
IN
= 70.1 MHz
S
= 200 MSPS
THD
SFDR
SNR, SINAD (dB)
45
40
35
30
25
20
1.0
1.5
2.0
2.5
3.0
3.5
SINAD
SFDR, THD (dB)
50
SNR
40
45
50
55
60
65
70
1.0
1.5
2.0
2.5
3.0
3.5
Encode Pulsewidth (nS)
DLE vs Sample Rate
Encode Pulsewidth (nS)
DLE vs Temperature
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
40
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
LSB
LSB
IN
= 70.1 MHz
IN
= 70.1 MHz
S
= 200 MSPS
0
50
Sample Rate (MSPS)
100
150
200
250
25
0
25
50
Temperature (Degrees C)
75
100
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
4.5 4.6
DLE vs V
DD
IN
= 70.1 MHz
S
= 200 MSPS
120
Supply Current vs Temperature
IN
= 70.1 MHz
S
= 200 MSPS
Supply Current (mA)
4.7
4.8 4.9
5.0
5.1
5.2
5.3
5.4 5.5
100
LSB
80
60
Volts
40
40
25
Temperature (Degrees C)
0
25
50
75
100
SPT7720
6
5/9/01
CADEKA [ CADEKA MICROCIRCUITS LLC. ]
