EVAL-AD7679CB Analog Devices Inc, EVAL-AD7679CB Datasheet - Page 14

• Manufacturer Part Number: EVAL-AD7679CB
• Description: BOARD EVAL FOR AD7679
• Manufacturer: Analog Devices Inc
• Series: PulSAR®r

Specifications of EVAL-AD7679CB

• Number Of Adc's: 1
• Number Of Bits: 18
• Sampling Rate (per Second): 570k
• Data Interface: Serial, Parallel
• Inputs Per Adc: 1 Differential
• Input Range: ±VREF
• Power (typ) @ Conditions: 89mW @ 500kSPS
• Voltage Supply Source: Analog and Digital
• Operating Temperature: -40°C ~ 85°C
• Utilized Ic / Part: AD7679
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

AD7679
100
100000
–100
–110
–120
–130
–140
99
98
97
96
10000
0.001
1000
–55
0.01
100
0.1
–55
10
SNR
1
S/(N+D)
Figure 17. SNR, S/(N+D), and ENOB vs. Temperature
1
Figure 18. THD and Harmonics vs. Temperature
Figure 19. Operating Current vs. Sampling Rate
–35
–35
THD
THIRD
HARMONIC
–15
10
SECOND
HARMONIC
–15
5
AVDD
TEMPERATURE (°C)
5
100
TEMPERATURE (°C)
SAMPLING RATE (SPS)
25
25
1k
45
45
OVDD
DVDD
65
65
10k
85
ENOB
85
100k
PDBUF HIGH
105
03085-0-018
105
03085-0-019
03085-0-020
125
125
16.5
16.0
15.5
15.0
14.5
1M
Rev. A | Page 14 of 28
Figure 21. Zero Error Positive and Negative Full Scale vs. Temperature
1000
Figure 20. Power-Down Operating Currents vs. Temperature
900
800
700
500
500
400
300
200
100
50
40
30
20
10
–10
–15
–20
–25
0
25
20
15
10
–5
0
–55
–55
5
0
0
Figure 22. Typical Delay vs. Load Capacitance C
–35
–35
POSITIVE
FULL SCALE
NEGATIVE
FULL SCALE
–15
–15
50
OVDD = 5V @ 25°C
OVDD = 2.7V @ 85°C
5
5
TEMPERATURE (°C)
TEMPERATURE ( ° C)
25
OVDD = 5V @ 85°C
25
C
L
100
(pF)
45
45
OVDD = 2.7V @ 25°C
65
65
ZERO ERROR
150
85
85
OVDD
AVDD
L
105
105
03085-0-024
03085-0-021
03085-0-022
DVDD
200
125
125