EVAL-AD7643CBZ Analog Devices Inc, EVAL-AD7643CBZ Datasheet - Page 14

• Manufacturer Part Number: EVAL-AD7643CBZ
• Description: BOARD EVALUATION FOR AD7643
• Manufacturer: Analog Devices Inc
• Series: PulSAR®r

Specifications of EVAL-AD7643CBZ

• Number Of Adc's: 1
• Number Of Bits: 18
• Sampling Rate (per Second): 1.25M
• Data Interface: Serial, Parallel
• Inputs Per Adc: 1 Differential
• Input Range: ±VREF
• Power (typ) @ Conditions: 65mW @ 1.25MSPS
• Voltage Supply Source: Analog and Digital
• Operating Temperature: -40°C ~ 85°C
• Utilized Ic / Part: AD7643
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

AD7643
Figure 17. SNR and SINAD vs. Input Level (Referred to Full Scale)
96.0
95.5
95.0
94.5
94.0
93.5
93.0
16
14
12
10
Figure 18. Power-Down Operating Currents vs. Temperature
8
6
4
2
0
–55
–60
–35
–50
–15
SINAD
SNR
–40
5
TEMPERATURE (°C)
INPUT LEVEL (dB)
25
–30
45
OVDD, 2.5V
OVDD, 3.3V
65
–20
DVDD
85
–10
105
AVDD
125
0
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100k
0.01
10k
100
0.1
1k
10
1
20
18
16
14
12
10
10
8
6
4
0
OVDD = 3.3V
Figure 20. Typical Delay vs. Load Capacitance C
Figure 19. Operating Current vs. Sampling Rate
OVDD = 2.5V @ 25°C
AVDD
100
OVDD = 2.5V @ 85°C
50
1k
SAMPLING RATE (SPS)
OVDD = 3.3V @ 85°C
100
OVDD = 2.5V
C
10k
L
(pF)
OVDD = 3.3V @ 25°C
PDREF = PDBUF = HIGH
DVDD
100k
150
1M
200
L
10M