EVAL-AD7643CBZ Analog Devices Inc, EVAL-AD7643CBZ Datasheet - Page 13

• Manufacturer Part Number: EVAL-AD7643CBZ
• Description: BOARD EVALUATION FOR AD7643
• Manufacturer: Analog Devices Inc
• Series: PulSAR®r

Specifications of EVAL-AD7643CBZ

• Number Of Adc's: 1
• Number Of Bits: 18
• Sampling Rate (per Second): 1.25M
• Data Interface: Serial, Parallel
• Inputs Per Adc: 1 Differential
• Input Range: ±VREF
• Power (typ) @ Conditions: 65mW @ 1.25MSPS
• Voltage Supply Source: Analog and Digital
• Operating Temperature: -40°C ~ 85°C
• Utilized Ic / Part: AD7643
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

–100
–120
–130
–140
–110
–70
–80
–90
95
93
91
89
87
85
83
81
79
77
75
–100
–120
–140
–160
–180
–20
–40
–60
–80
1
1
0
0
Figure 13. THD, Harmonics, and SFDR vs. Frequency
SFDR
Figure 12. SNR, SINAD, and ENOB vs. Frequency
100
SECOND HARMONIC
10
10
Figure 11. FFT 20 kHz
200
FREQUENCY (kHz)
FREQUENCY (kHz)
FREQUENCY (kHz)
300
THD
THIRD HARMONIC
SINAD
100
100
400
ENOB
f
f
SNR = 93.4dB
THD = –113dB
SFDR = 108dB
SINAD = 93.4dB
S
IN
= 1.25MSPS
= 20.03kHz
500
SNR
1000
1000
600
16.0
15.6
15.2
14.8
14.4
14.0
13.6
13.2
12.8
12.4
12.0
120
110
100
90
80
70
60
50
40
30
20
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–100
–105
–110
–115
–120
–125
–130
–135
–140
–145
–85
–90
–95
–100
–120
–140
–160
–180
95
94
93
92
91
90
–20
–40
–60
–80
–55
–55
0
Figure 16. THD, Harmonics, and SFDR vs. Temperature
0
Figure 15. SNR, SINAD, and ENOB vs. Temperature
–35
–35
SNR
SINAD
100
ENOB
–15
–15
SECOND
HARMONIC
Figure 14. FFT 100 kHz
5
200
5
TEMPERATURE (°C)
TEMPERATURE (°C)
THD
FREQUENCY (kHz)
25
25
300
45
45
65
400
65
f
f
SNR = 93dB
THD = –106dB
SFDR = 109dB
SINAD = 92.8dB
85
85
S
IN
= 1.25MSPS
THIRD
HARMONIC
= 100.03kHz
500
105
AD7643
105
SFDR
600
125
125
19
18
17
16
15
14
120
110
100
90
80
70
60