EVAL-AD7687CB Analog Devices Inc, EVAL-AD7687CB Datasheet - Page 11

• Manufacturer Part Number: EVAL-AD7687CB
• Description: BOARD EVAL FOR AD7687
• Manufacturer: Analog Devices Inc
• Series: PulSAR®r

Specifications of EVAL-AD7687CB

• Number Of Adc's: 1
• Number Of Bits: 16
• Sampling Rate (per Second): 250k
• Data Interface: Serial
• Inputs Per Adc: 1 Differential
• Input Range: ±VREF
• Power (typ) @ Conditions: 4mW @ 5 V, 100kSPS
• Voltage Supply Source: Single
• Operating Temperature: -40°C ~ 85°C
• Utilized Ic / Part: AD7687
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: Q2106448

100
100
100
95
90
85
70
95
90
85
80
75
70
95
90
85
80
2.3
–55
0
Figure 13. SNR, S/(N + D), and ENOB vs. Reference Voltage
2.7
–35
Figure 14. S/(N + D) vs. Frequency
–15
3.1
Figure 15. SNR vs. Temperature
50
REFERENCE VOLTAGE (V)
3.5
5
TEMPERATURE (°C)
FREQUENCY (kHz)
VREF = 2.5V, –1dB
25
3.9
100
VREF = 2.5V
VREF = 2.5V, –10dB
VREF = 5V
VREF = 5V, –10dB
45
4.3
ENOB
VREF = 5V, –1dB
S/[N + D]
65
4.7
SNR
150
85
5.1
105
5.5
17.0
16.0
15.0
14.0
13.0
200
125
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–100
–110
–120
–100
–105
–110
–115
–120
–125
–130
–100
–110
–120
–130
–60
–70
–80
–90
–90
–55
2.3
0
–35
2.7
Figure 16. THD, SFDR vs. Reference Voltage
THD
VREF = 2.5V
–15
VREF = 5V
Figure 18. THD vs. Temperature
3.1
50
Figure 17. THD vs. Frequency
SFDR
REFERENCE VOLTAGE (V)
5
TEMPERATURE ( ° C)
3.5
FREQUENCY (kHz)
25
100
3.9
45
VREF = 2.5V, –1dB
VREF = 2.5V, –10dB
VREF = 5V, –1dB
4.3
VREF = 5V, –10dB
65
150
4.7
85
AD7687
5.1
105
200
125
5.5