EVAL-AD7661CB Analog Devices Inc, EVAL-AD7661CB Datasheet - Page 14

• Manufacturer Part Number: EVAL-AD7661CB
• Description: BOARD EVAL FOR AD7661
• Manufacturer: Analog Devices Inc
• Series: PulSAR®r

Specifications of EVAL-AD7661CB

• Number Of Adc's: 1
• Number Of Bits: 16
• Sampling Rate (per Second): 100k
• Data Interface: Serial, Parallel
• Inputs Per Adc: 1 Differential
• Input Range: ±VREF
• Power (typ) @ Conditions: 16mW @ 100kSPS
• Voltage Supply Source: Analog and Digital
• Operating Temperature: -40°C ~ 85°C
• Utilized Ic / Part: AD7661
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

AD7661
90
89
88
87
86
–55
10000
0.001
–100
–105
–110
–115
–120
1000
0.01
100
0.1
10
–55
1
10
–35
Figure 17. SNR, S/(N+D), and ENOB vs. Temperature
Figure 18. THD and Harmonics vs. Temperature
Figure 19. Operating Current vs. Sample Rate
–35
–15
–15
100
5
TEMPERATURE (°C)
5
TEMPERATURE (°C)
SAMPLE RATE (SPS)
25
25
45
1000
45
65
PDREF = PDBUF = HIGH
65
85
THD
S/[N+D]
ENOB
10000
SNR
DVDD
OVDD
AVDD
THIRD
HARMONIC
85
105
SECOND
HARMONIC
105
02965-0-036
125
15.5
15.0
14.5
14.0
13.5
100000
125
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Figure 22. Reference Voltage Temperature Coefficient Distribution (291 Units)
Figure 21.Typical Reference Voltage Output vs. Temperature (3 Units)
Figure 20. Zero Error, Full Scale Error with Reference vs. Temperature
2.5015
2.5010
2.5005
2.5000
2.4995
2.4990
2.4985
2.4980
40
60
50
30
20
10
–1
–2
–3
–4
–5
–6
0
6
5
4
3
2
1
0
–55
0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5 7.0 7.5 8.0
–40
–35
–20
–15
0
REFERENCE DRIFT (ppm/°C)
TEMPERATURE (°C)
5
TEMPERATURE (°C)
20
25
40
45
60
FULL-SCALE ERROR
65
ZERO ERROR
80
85
105
100
125
120