Philips Semiconductors
Fully integrated DECT transceiver
Product specification
UAA3545
CHARACTERISTICS
VCC = 3.2 V; Tamb = 25 °C; fdev = 288 kHz; f(i)XTAL = 13.824 MHz; characteristics with a typical value only are not tested;
unless otherwise specified.
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP. MAX. UNIT
Supplies
VCC(syn),
VCC(reg),
VCC(RX),
VCC(TX)
ICC(SYN)
supply voltage
synthesizer supply
current
All VCC supplies must be at the
3.0
same potential (VCC)
S_EN = HIGH
−
ICC(REG)
VCO, buffer and
VCO ON
−
prescaler regulator
supply current
ICC(RX)
receiver supply current RX mode
−
ICC(TX)
transmit preamplifier TX mode
−
supply current
ICC(pd)
total supply current in
−
Power-down mode
3.2
3.6
V
5
7
mA
14
17
mA
36
44
mA
12
15
mA
10
100
µA
Synthesizer
MAIN DIVIDER
fo(RF)
Rm
RF output frequency
main divider ratio
REFERENCE DIVIDER
f(i)XTAL
crystal reference input
frequency
programmed values; see Table 4
1 880
2 176
−
V(i)XTAL(p-p) crystal reference input square wave input;
1.2
voltage (peak-to-peak all f(i)XTAL values
value)
RRD
reference divider ratio programmed values; see Table 4 −
Ri(XTAL)
input resistance (real f(i)XTAL = 3.456 MHz
−
part of the parallel input
impedance)
Ci(XTAL)
input capacitance
f(i)XTAL = 3.456 MHz
−
(imaginary part of the
parallel input
impedance)
PHASE COMPARATOR
fPC
phase comparator
−
frequency
−
1 930
−
2 234
3.456, −
6.912,
10.368
or
13.824
−
1.8
4, 8, 12 −
or 16
17
−
1.5
−
864
−
MHz
MHz
V
kΩ
pF
kHz
2001 Sep 06
11