AD7693 Analog Devices, AD7693 Datasheet - Page 10

• Manufacturer Part Number: AD7693
• Manufacturer: Analog Devices

Specifications of AD7693

• Resolution (bits): 16bit
• # Chan: 1
• Sample Rate: 500kSPS
• Interface: Ser,SPI
• Analog Input Type: Diff-Uni
• Ain Range: (2Vref) p-p,Bip (Vref) x 2
• Adc Architecture: SAR
• Pkg Type: CSP,SOP

AD7693
100
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–55
2.0
100
98
96
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90
88
86
84
82
80
0
Figure 13. SNR, SINAD, and ENOB vs. Reference Voltage
–35
Figure 14. SNR, SINAD, and ENOB vs. Temperature
2.5
–15
3.0
Figure 15. SINAD vs. Frequency
REFERENCE VOLTAGE (V)
50
SNR, SINAD
5
TEMPERATURE (°C)
FREQUENCY (kHz)
3.5
V
25
V
IN
ENOB
ENOB
SNR, SINAD
IN
= –1dBFS
= –10dBFS
100
45
4.0
65
4.5
85
150
5.0
105
125
5.5
20.0
19.5
19.0
18.5
18.0
17.5
17.0
16.5
16.0
15.5
15.0
20.0
19.5
19.0
18.5
18.0
17.5
17.0
16.5
16.0
15.5
15.0
200
Rev. A | Page 10 of 24
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–80
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–90
–95
–55
–100
–105
–110
–115
–120
–125
–130
2.0
–80
–85
–90
–95
V
DD
0
–35
= 5V
2.5
Figure 16. THD, SFDR vs. Reference Voltage
–15
Figure 17. THD, SFDR vs. Temperature
SFDR
THD
3.0
Figure 18. THD vs. Frequency
50
REFERENCE VOLTAGE (V)
5
TEMPERATURE (°C)
FREQUENCY (kHz)
3.5
V
25
IN
SFDR
= –1dBFS
THD
V
IN
100
45
= –10dBFS
4.0
65
4.5
85
150
5.0
105
125
5.5
130
125
120
115
110
105
100
130
125
120
115
110
105
100
95
90
85
80
200