UMA1022M 데이터 시트보기 (PDF) - Philips Electronics
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UMA1022M Datasheet PDF : 20 Pages
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Philips Semiconductors
Low cost dual frequency synthesizer for
radio telephones
Product specification
UMA1022M
SYMBOL
PARAMETER
CONDITIONS
MIN.
Synthesizers reference divider input; pins 1 and 20
fxtal
Vxtal(rms)
crystal reference oscillator frequency
3
sinusoidal input signal level between single-ended;
pins 1 and 20 (RMS value)
fxtal = 6 to 20 MHz 35
fxtal = 3 to 6 MHz
70
differential;
Rrefc
Rrefa
Zi
Ci
NF
common reference division ratio
reference subdivider division ratio
input impedance (real part) per pin
typical pin input capacitance
small signal differential input noise
figure
fxtal = 6 to 20 MHz 70
fxtal = 3 to 6 MHz
140
8
1
fxtal = 10 MHz; XON = 1 −
−
matched to a 4 kΩ
−
source; XON = 1
Phase detectors
fPCmax
maximum loop comparison
−
frequency
Charge pump outputs; pins 4 and 17
VCPA
output voltage compliance range;
0.4
RF synthesizer
VCPB
output voltage compliance range;
0.4
IF synthesizer
Iocp(err)
charge pump output current error note 1
−25
Imatch
sink-to-source current matching
−
ILcp
charge pump off leakage current
VCPA = 1⁄2VCCA;
−5
VCPB = 1⁄2VCCB
Phase noise
N900
RF synthesizer’s contribution to
fxtal = 13 MHz;
−
close-in phase noise of 0.9 GHz VCO Vxtal = 0 dBm;
signal inside closed-loop bandwidth fPC = 200 kHz
N1 800
RF synthesizer’s contribution to
fxtal = 13 MHz;
−
close-in phase noise of 1.8 GHz VCO Vxtal = 0 dBm;
signal inside closed-loop bandwidth fPC = 200 kHz
N180
IF synthesizer’s contribution
180 MHz VCO signal inside
closed-loop bandwidth
fxtal = 13 MHz;
−
Vxtal = 0 dBm;
fPC = 1000 kHz
TYP. MAX.
UNIT
−
20
−
250
−
250
−
500
−
500
−
1 023
−
16
4
−
2
−
4.5 −
MHz
mV
mV
mV
mV
kΩ
pF
dB
2000 −
kHz
−
VCCA − 0.4 V
−
VCCB − 0.4 V
−
+25
%
±5 −
%
±1 +5
nA
−86 −
−80 −
−104 −
dBc/Hz
dBc/Hz
dBc/Hz
1998 Dec 09
10
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