SPT7935 データシートの表示（PDF） - Cadeka Microcircuits LLC.
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SPT7935 Datasheet PDF : 8 Pages
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TYPICAL PERFORMANCE CHARACTERISTICS
THD, SNR, SINAD vs Input Frequency
80
70
60
THD
50
SNR
SINAD
40
80
70
THD
SNR
60
SINAD
50
40
THD, SNR, SINAD vs Sample Rate
THD
SNR
SINAD
30
20
100
101
Input Frequency (MHz)
30
20
102
10 0
101
102
Sample Rate (MSPS)
Note: Bias1 and Bias2 currents optimized for each sample rate.
THD, SNR, SINAD vs Temperature
70
Power Dissipation vs Sample Rate
150
68
125
THD
66
100
64
SNR
75
62
SINAD
50
60
58
25
56
0
25
Temperature (°C)
0
70
10 0
101
102
Sample Rate (MSPS)
Note: Bias1 and Bias2 optimized for each sample rate.
Bias 1 Voltage vs Bias 1 Current
3.4
Bias 2 Voltage vs Bias 2 Current
0.90
3.2
0.85
3.0
0.80
2.8
IBias2 VBias2
IBias1 VBias1
0.75
3 0.6975
2.6
30
2.19
6 0.7535
60
2.53
9
0.796
2.4
90
2.79
0.70
120
3.00
12 0.8295
15 0.8595
150
3.22
2.2
0.65
2.0
0
30
60
90
120
150
180
IBias1 (µA)
0.60
0
3
6
9
12
15
18
IBias2 (µA)
SPT7935
4
7/12/00
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