AD7985 Analog Devices, AD7985 Datasheet - Page 26

• Manufacturer Part Number: AD7985
• Description: 16-Bit, 2.5 MSPS PulSAR 11 mW ADC in QFN
• Manufacturer: Analog Devices

Specifications of AD7985

• Resolution (bits): 16bit
• # Chan: 1
• Sample Rate: 2.5MSPS
• Interface: Ser,SPI
• Analog Input Type: SE-Uni
• Ain Range: (Vref) p-p,Uni (Vref)
• Adc Architecture: SAR
• Pkg Type: CSP

AD7985
GND
REF
(ADR435 OR ADR445)
GND
REF
REFERENCE
EXTERNAL
GND
REF
C
5V
GND
REF
REF
GND
REF
GND
REF
Figure 39. Example Layout of the AD7985 (Bottom Layer)
Figure 38. Example Layout of the AD7985 (Top Layer)
C
BVDD
Rev. A | Page 26 of 28
BVDD
GND
GND
VIO
VIO
1
5
4
2
3
GND
GND
GND
C
AVDD
VIO
6
BVDD
C
GND
GND
AVDD
PADDLE
VIO
DVDD
GND
GND
C
DVDD
AVDD
DVDD