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UMA1015AM Datasheet, PDF (8/24 Pages) NXP Semiconductors – Low-power dual frequency synthesizer for radio communications
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Philips Semiconductors
Low-power dual frequency synthesizer
for radio communications
Product specification
UMA1015AM
CHARACTERISTICS
VDD1 = VDD2 = 2.7 to 5.5 V; VCC = 2.7 to 6.0 V; Tamb = 25 °C; unless otherwise specified.
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
Supplies; (VDD1, VDD2 and VCC) voltage doubler disabled, external supply on VCC
VDD1, VDD2 digital supply voltage
VDD1 = VDD2
2.7
−
IDD1 + IDD2
total digital supply current
from VDD1 and VDD2
fXTAL = 12.8 MHz;
both synthesizers on;
VDD1 = VDD2 = 3 V
−
8.7
fXTAL = 12.8 MHz;
both synthesizers on;
−
−
VDD1 = VDD2 = 5.5 V
IDDpda,
total digital supply current fXTAL = 12.8 MHz; one
−
5.0
IDDpdb
from VDD1 and VDD2 with synthesizer powered down;
one synthesizer in
VDD1 = VDD2 = 3 V
power-down mode
fXTAL = 12.8 MHz; one
−
−
synthesizer powered down;
VDD1 = VDD2 = 5.5 V
IDD(xtal)
digital supply current from fXTAL = 12.8 MHz; VHPD = 0 V; −
0.5
VDD1 with both
sPBF = 1; VDD1 = VDD2 = 3 V
synthesizers powered
fXTAL = 12.8 MHz; VHPD = 0 V; −
−
down and crystal buffer on sPBF = 1; VDD1 = VDD2 = 5.5 V
IDDpd
digital supply current in both synthesizers powered
−
−
power-down mode
down; VHPD = 0 V; sPBF = 0
VCC
charge pump supply
VCC ≥ VDD
voltage
2.7
−
ICC
charge pump supply
both synthesizers on and in
−
−
current
lock; fref = 12.5 kHz
ICCpd
charge pump supply
both synthesizers powered
−
−
current in power-down
down
mode
5.5
−
12.5
−
7.5
−
1.15
60
6.0
25
25
Voltage doubler enabled
IDD
IDDpd
VCCvd
total digital supply current fXTAL = 12.8 MHz; both
−
from VDD1 and VDD2
synthesizers on and in lock;
VDD1 = 3 V; fRF = 900 MHz
total digital supply current both synthesizers powered
−
in power-down mode from down; VDD1 = 3 V; VHPD = 0 V;
VDD1 and VDD2
sPBF = 0
charge pump supply
DC current drawn from
4.2
voltage
VCC = 50 µA; fRF > 100 MHz
9.2
12
0.25
0.4
2VDD1 − 0.6 6.0
UNIT
V
mA
mA
mA
mA
mA
mA
µA
V
µA
µA
mA
mA
V
1997 Sep 03
8
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