Pin No.
37
38
40
41
42
43
44
47
48
Mnemonic
VIN − B
VIN + B
RBIAS
SENSE
VREF
REFB
REFT
VIN + C
VIN − C
Description
ADC B Analog Input Complement
ADC B Analog Input True
External resistor sets the internal ADC core bias current
Reference Mode Selection
Voltage Reference Input/Output
Differential Reference (Negative)
Differential Reference (Positive)
ADC C Analog Input True
ADC C Analog Input Complement
AD9228
Rev. B | Page 11 of 52