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AD7441BRTZ-R2 数据表(PDF) 10 Page - Analog Devices

部件名 AD7441BRTZ-R2
功能描述  Pseudo Differential Input, 1 MSPS, 10-/12-Bit ADCs in an 8-Lead SOT-23
PDF  24 Pages
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制造商  AD [Analog Devices]
网页  http://www.analog.com
标志 AD - Analog Devices

AD7441BRTZ-R2 数据表(HTML) 10 Page - Analog Devices

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AD7441/AD7451
Rev. D | Page 10 of 24
TYPICAL PERFORMANCE CHARACTERISTICS
TA = 25°C, fS = 1 MSPS, fSCLK = 18 MHz, VDD = 2.7 V to 5.25 V, VREF = 2.5 V, unless otherwise noted.
75
55
60
65
70
10
100
1000
FREQUENCY (kHz)
VDD = 5.25V
VDD = 4.75V
VDD = 3.6V
VDD = 2.7V
Figure 7. SINAD vs. Analog Input Frequency for the AD7451 for
Various Supply Voltages
0
–120
–80
–100
–60
–40
–20
0
100
200
300
400
500
600
700
800
900 1000
SUPPLY RIPPLE FREQUENCY (kHz)
100mV p-p SINE WAVE ON VDD
NO DECOUPLING ON VDD
VDD = 3V
VDD = 5V
Figure 8. PSRR vs. Supply Ripple Frequency Without Supply Decoupling
FREQUENCY (kHz)
0
100
200
–100
–140
500
–20
0
–120
–40
–60
–80
8192 POINT FFT
fSAMPLE = 1MSPS
fIN = 100kSPS
SINAD = 71dB
THD = –82dB
SFDR = –83dB
300
400
Figure 9. AD7451 Dynamic Performance for VDD = 5 V
CODE
0.4
0
1024
2048
3072
0.2
0
–0.2
–0.4
–1.0
4096
0.6
0.8
1.0
–0.6
–0.8
Figure 10. Typical DNL for the AD7451 for VDD = 5 V
CODE
0.4
0
1024
2048
3072
0.2
0
–0.2
–0.4
–1.0
4096
0.6
0.8
1.0
–0.6
–0.8
Figure 11. Typical INL for the AD7451 for VDD = 5 V
CODES
0
2046
2047
2048
2049
2050
2051
27 CODES
24 CODES
1000
2000
3000
4000
5000
6000
7000
8000
9000
10000
9949
CODES
Figure 12. Histogram of 10,000 Conversions of a DC Input for the AD7451



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