Preliminary Technical Data
TDO
O/T
TDI
I
Analog Inputs
Ain
I
Ain/
I
Test Data Output
Test Data input
Main Analog Input
Complement of AIN, differential analog input
Bin
I
Diversity Analog Input
Bin/
I
PLL Inputs
CPOut
O
Complement of BIN, differential analog input
Charge Pump Out
LF
I
Loop Filter
XVCO
I
XVCOB
I
REFT; REFB; VREF O
REFGND
G
Clock Inputs
CLK
I
CLK/
I
External VCO Input [No Connection required if internal
VCO used]
External VCO Input Complement [No connection required
if internal VCO used]
Internal ADC Voltage Reference; bypass to ground with
capacitor[3]; See Schematic for Proper hook-up
ADC Ground Reference; See Schematic for Proper hook-up
Encode Input, conversion initiated on rising edge
Complement of Encode
DNC
N/A
Do Not Connect
AD6650
1
1
1
1
1
1
1
1
1
3
1
1
4
REV. PrJ 02/27/2003
14