CMX983 Datasheet, PDF (12/93 Pages) CML Microcircuits – Programmable Channel Filter

Analogue Front End (AFE) for Digital Radio
T/S =
PWR =
NC
=
3-state Output
Power Connection
No Connection
CMX983
Table 2 Definition of Power Supply and Reference Voltages
Signal Name
Pins
Usage
V_DD Analogue, AV_DD
V_BIAS
V_BBUF
V_DD RF, RF1V_DD, RF2V_DD
V_DD Charge Pump,
CP1V_DD, CP2V_DD
V_SS Analogue, AV_SS
AVDD
VBIAS
VBBUF
RF1VDD, RF2VDD
CP1VDD, CP2VDD
3.3V positive supply rail for the analogue circuits
Internal analogue reference level, derived from AV_DD
Buffered mid-rail reference voltage (=AV_DD /2)
1.8V positive supply rail for RF power
<5.0V positive supply rail for the Charge Pumps
AVSS
Ground for all analogue circuits (central metal pad)
IOV_DD
DV_DD
V_SS Digital, DV_SS
IOVDD
DVDD
DVSS, IOVSS
3.3V positive supply rail for the I/O pads
1.8V positive supply rail for the digital core circuits
Ground for all digital circuits
 2015 CML Microsystems Plc
12
D/983/6