EVAL-AD7689EDZ Analog Devices Inc, EVAL-AD7689EDZ Datasheet - Page 12

• Manufacturer Part Number: EVAL-AD7689EDZ
• Description: BOARD EVAL AD7689
• Manufacturer: Analog Devices Inc
• Series: PulSAR®r

Specifications of EVAL-AD7689EDZ

• Number Of Adc's: 1
• Number Of Bits: 16
• Sampling Rate (per Second): 250k
• Data Interface: Serial
• Inputs Per Adc: 8 Single Ended
• Input Range: ±VREF
• Power (typ) @ Conditions: 12.5mW @ 250kSPS, 5 V
• Voltage Supply Source: Single Supply
• Operating Temperature: -40°C ~ 85°C
• Utilized Ic / Part: AD7689
• Silicon Manufacturer: Analog Devices
• Application Sub Type: ADC
• Kit Application Type: Data Converter
• Silicon Core Number: AD7689
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

AD7682/AD7689
96
94
92
90
88
86
84
82
80
1.0
100
96
94
92
90
88
86
84
95
90
85
80
75
70
65
60
–55
Figure 13. SNR, SINAD, and ENOB vs. Reference Voltage
0
f
1.5
IN
= 20kHz
–35
SNR @ 2kHz
SINAD @ 2kHz
SNR @ 20kHz
SINAD @ 20kHz
ENOB @ 2kHz
ENOB @ 20kHz
V
V
V
V
2.0
REF
REF
REF
REF
–15
Figure 14. SNR vs. Temperature
Figure 12. SNR vs. Frequency
= VDD = 5V, –0.5dB
= VDD = 5V, –10dB
= VDD = 2.5V, –0.5dB
= VDD = 2.5V, –10dB
50
REFERENCE VOLTAGE (V)
2.5
5
TEMPERATURE (°C)
FREQUENCY (kHz)
3.0
25
100
3.5
V
45
REF
V
4.0
= VDD = 2.5V
REF
65
= VDD = 5V
4.5
150
85
5.0
105
5.5
125
200
17.0
16.5
16.0
15.5
15.0
14.5
14.0
13.5
13.0
Rev. B | Page 12 of 32
130
125
120
115
110
105
100
95
90
85
80
75
70
–100
–105
–110
1.0
100
–90
–95
95
90
85
80
75
70
65
60
–55
0
f
1.5
IN
Figure 16. SFDR and THD vs. Reference Voltage
= 20kHz
–35
V
V
V
V
V
2.0
V
REF
REF
REF
REF
REF
REF
Figure 17. THD vs. Temperature
Figure 15. SINAD vs. Frequency
–15
= VDD = 5V, –0.5dB
= VDD = 5V, –10dB
= VDD = 2.5V, –0.5dB
= VDD = 2.5V, –10dB
= VDD = 2.5V
REFERENCE VOLTAGE (V)
= VDD = 5V
50
2.5
5
FREQUENCY (kHz)
TEMPERATURE (°C)
SFDR = 2kHz
SFDR = 20kHz
THD = 20kHz
THD = 2kHz
3.0
25
100
3.5
45
4.0
65
4.5
150
85
5.0
105
5.5
–60
–65
–70
–75
–80
–85
–90
–95
–100
–105
–110
–115
–120
200
125