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AD7453BRT-R2 Scheda tecnica(PDF) 10 Page - Analog Devices

Il numero della parte AD7453BRT-R2
Spiegazioni elettronici  Pseudo Differential, 555 kSPS 12-Bit ADC in an 8-Lead SOT-23
PDF  21 Pages
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Produttore elettronici  AD [Analog Devices]
Homepage  http://www.analog.com
Logo AD - Analog Devices

AD7453BRT-R2 Scheda tecnica(HTML) 10 Page - Analog Devices

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AD7453
Rev. B | Page 9 of 20
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.
FREQUENCY (kHz)
55
10
100
277
60
65
70
75
VDD = 5.25V
VDD = 2.7V
VDD = 3.6V
VDD = 4.75V
Figure 5. SINAD vs. Analog Input Frequency for Various Supply Voltages
0
–20
–40
–80
–60
–120
–100
–140
SUPPLY RIPPLE FREQUENCY (kHz)
0
100
200
300
400
500
900
1000
VDD= 5V
VDD = 3V
600
700
800
100mV p-p SINE WAVE ON VDD
NO DECOUPLING ON VDD
Figure 6. PSRR vs. Supply Ripple Frequency without Supply Decoupling
FREQUENCY (kHz)
0
100
200
–100
–140
277
–20
0
–120
–40
–60
–80
8192 POINT FFT
fSAMPLE = 555kSPS
fIN = 100kSPS
SINAD = 71.7dB
THD = –82dB
SFDR = –83dB
Figure 7. Dynamic Performance for VDD = 5 V
CODE
1.0
0.8
0.6
0.2
0.4
–0.2
–0.4
–0.6
–0.8
0
–1.0
0
1024
3072
2048
4096
Figure 8. Typical DNL for the AD7453 for VDD = 5 V
CODE
1.0
0.8
0.6
0.2
0.4
–0.2
–0.4
–0.6
–0.8
0
–1.0
0
1024
3072
2048
4096
Figure 9. Typical INL for the AD7453 for VDD = 5 V
CODES
0
2046
2047
2048
2049
2050
2051
27 CODES
24 CODES
9949
CODES
1000
2000
3000
4000
5000
6000
7000
8000
9000
10000
Figure 10. Histogram of 10,000 Conversions of a DC Input



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