AD7453BRT-REEL7 データシートの表示（PDF） - Analog Devices
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AD7453BRT-REEL7 Datasheet PDF : 20 Pages
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AD7453
AD7453–TYPICAL PERFORMANCE CHARACTERISTICS
Default Conditions: TA = 25°C, fS = 555 kSPS, fSCLK = 10 MHz, VDD = 2.7 V to 5.25 V, VREF = 2.5 V, unless otherwise noted.
75
VDD = 5.25V
70
VDD = 4.75V
VDD = 3.6V
65
VDD = 2.7V
60
1.0
0.8
0.6
0.4
0.2
0
–0.2
–0.4
–0.6
55
10
100
277
FREQUENCY (kHz)
–0.8
–1.0
0
1024
2048
CODE
3072
4096
Figure 5. SINAD vs. Analog Input Frequency for Various Supply Voltages
Figure 8. Typical DNL for the AD7453 for VDD = 5 V
0
100mV p-p SINE WAVE ON VDD
–20 NO DECOUPLING ON VDD
–40
–60
–80
–100
VDD = 3V
VDD= 5V
–120
–140
0
100 200 300 400 500 600 700 800 900 1000
SUPPLY RIPPLE FREQUENCY (kHz)
Figure 6. PSRR vs. Supply Ripple Frequency without Supply Decoupling
1.0
0.8
0.6
0.4
0.2
0
–0.2
–0.4
–0.6
–0.8
–1.0
0
1024
2048
CODE
3072
4096
Figure 9. Typical INL for the AD7453 for VDD = 5 V
0
8192 POINT FFT
–20
fSAMPLE = 555kSPS
fIN = 100kSPS
SINAD = 71.7dB
–40
THD = –82dB
SFDR = –83dB
–60
–80
–100
–120
–140
0
100
200
277
FREQUENCY (kHz)
Figure 7. Dynamic Performance for VDD = 5 V
10000
9000
9949
CODES
8000
7000
6000
5000
4000
3000
2000
1000
0
2046
27 CODES
24 CODES
2047
2048
2049
CODES
2050
2051
Figure 10. Histogram of 10,000 Conversions of a DC Input
Rev. B | Page 9 of 20
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