AD9649BCPZ-20 Analog Devices Inc, AD9649BCPZ-20 Datasheet - Page 16

• Manufacturer Part Number: AD9649BCPZ-20
• Description: IC ADC 14BIT 20MSPS 32LFCSP
• Manufacturer: Analog Devices Inc

Specifications of AD9649BCPZ-20

• Data Interface: Serial, SPI™
• Number Of Bits: 14
• Sampling Rate (per Second): 20M
• Number Of Converters: 1
• Power Dissipation (max): 51.8mW
• Voltage Supply Source: Analog and Digital
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 32-VFQFN, CSP Exposed Pad
• Resolution (bits): 14bit
• Sampling Rate: 20MSPS
• Input Channel Type: Differential
• Supply Voltage Range - Analog: 1.7V To 1.9V
• Supply Voltage Range - Digital: 1.7V To 3.6V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

AD9649
EQUIVALENT CIRCUITS
VREF
CLK+
CLK–
Figure 27. Equivalent Analog Input Circuit
SENSE
Figure 30. Equivalent Clock Input Circuit
Figure 29. Equivalent SENSE Circuit
Figure 28. Equivalent VREF Circuit
VIN±
AVDD
AVDD
7.5kΩ
5Ω
5Ω
AVDD
375Ω
15kΩ
15kΩ
375Ω
0.9V
Rev. 0 | Page 16 of 32
Figure 32. Equivalent SCLK/DFS, MODE and SDIO/PDWN Input Circuit
Figure 31. Equivalent D0 to D13 and OR Digital Output Circuit
SDIO/PDWN
SCLK/DFS,
AND VCM
MODE,
CSB
RBIAS
Figure 34. Equivalent RBIAS, VCM Circuit
Figure 33. Equivalent CSB Input Circuit
350Ω
AVDD
350Ω
DRVDD
DRVDD
DRVDD
AVDD
375Ω
30kΩ
30kΩ