PRELIMINARY
PIN DESCRIPTIONS (continued)
Pin #
12
13
14
15
16
ML2731
Description
Signal Name
C1
VPA
PDN
XIN
XOUT
I/O
O (ANLG)
O (ANLG)
I (ANLG)
I (ANLG)
I (ANLG)
Noise Shunt. Negative voltage generator bypass capacitor connection.
Typically a 100nF capacitor is connected between pin C1 and C2
PA supply. This is the positive supply for the PA. It is switched by PAEN
in conjunction with PDN and NEGEN
Power down control. Disables all circuits and reduces power
consumption to less than 1mA
Crystal or oscillator input. This high input impedance is connected to
either an oscillator circuit or to a crystal
Crystal-tank connection. This low impedance output drives the crystal
tank circuit
January, 2000
PRELIMINARY DATASHEET
5
MICRO-LINEAR [ MICRO LINEAR CORPORATION ]
