User guide

3
4983A–IND–02/07
ATA8403
Figure 2-2. Block Diagram
5 XTAL Connection for crystal
6 VS Supply voltage See ESD protection circuitry (see Figure 4-5 on page 9)
7 GND Ground See ESD protection circuitry (see Figure 4-5 on page 9)
8 ENABLE Enable input
Table 2-1. Pin Description (Continued)
Pin Symbol Function Configuration
1.5 kΩ 1.2 kΩ
182 µA
XTAL
VS
VS
200 kΩ
ENABLE
ATA8403
CP
Power up/down
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5
6
7
8
4
3
2
XTAL
VS
GND
ENABLE
ANT1
ANT2
PA_ENABLE
CLK
1
f
LF
PA VCO
PLL
XTO
4
f