EVAL-AD7689EDZ Analog Devices Inc, EVAL-AD7689EDZ Datasheet - Page 11

• 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

TYPICAL PERFORMANCE CHARACTERISTICS
VDD = 2.5 V to 5.5 V, V
–0.5
–1.0
–1.5
1.5
1.0
0.5
–100
–120
–140
–160
–180
200k
180k
160k
140k
120k
100k
–20
–40
–60
–80
0
80k
60k
40k
20k
Figure 6. Integral Nonlinearity vs. Code, V
0
0
0
INL MAX = +0.34 LSB
INL MIN = –0.44 LSB
0
Figure 7. Histogram of a DC Input at Code Center
7FFA
0
Figure 8. 20 kHz FFT, V
7FFB 7FFC 7FFD 7FFE 7FFF 8000
16,384
0
25
487
REF
135,326
= 2.5 V to 5 V, VIO = 2.3 V to VDD, unless otherwise noted.
FREQUENCY (kHz)
50
CODES
CODE IN HEX
32,768
124,689
V
f
f
SNR = 92.9dB
SINAD = 92.4dB
THD = –102dB
SFDR = 103dB
SECOND HARMONIC = –111dB
THIRD HARMONIC = –104dB
S
IN
REF
= 250kSPS
= 19.9kHz
REF
= VDD = 5V
= VDD = 5 V
75
619
49,152
REF
σ = 0.50
V
= VDD = 5 V
0
REF
100
= VDD = 5V
8001
0
65,536
8002
0
125
Rev. B | Page 11 of 32
–0.5
–1.0
1.5
1.0
0.5
160k
140k
120k
100k
–100
–120
–140
–160
–180
–20
–40
–60
–80
Figure 9. Differential Nonlinearity vs. Code, V
80k
60k
40k
20k
0
0
0
0
DNL MAX = +0.20 LSB
DNL MIN = –0.22 LSB
0
Figure 10. Histogram of a DC Input at Code Center
7FFB 7FFC 7FFD 7FFE 7FFF 8000
1
Figure 11. 20 kHz FFT, V
78
16,384
25
6649
63,257
FREQUENCY (kHz)
CODE IN HEX
CODES
32,768
135,207
V
f
f
SNR = 88.0dB
SINAD = 87.0dB
THD = –89dB
SFDR = 89dB
SECOND HARMONIC = –105dB
THIRD HARMONIC = –90dB
50
s
IN
REF
= 200kSPS
REF
= 19.9kHz
51,778
= VDD = 2.5 V
= VDD = 2.5V
AD7682/AD7689
49,152
4090
8001
σ = 0.78
V
REF
REF
75
= VDD = 5 V
= VDD = 2.5V
8002
60
8003
65,536
1
100