UMA1021M/C2 データシートの表示（PDF） - Philips Electronics
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UMA1021M/C2 Datasheet PDF : 16 Pages
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Philips Semiconductors
Low-voltage frequency synthesizer
for radio telephones
Product specification
UMA1021M
CHARACTERISTICS
All values refer to the typical measurement circuit of Fig.5; VDD1 = VDD2 = 2.7 to 5.5 V; VCC = 2.7 to 5.5 V; Tamb = 25 °C;
unless otherwise specified. Characteristics for which only a typical value is given are not tested.
SYMBOL
PARAMETER
CONDITIONS
MIN. TYP. MAX. UNIT
Supply; pins 4, 14 and 18
VDD
digital supply voltage
VDD1 = VDD2; VCC ≥ VDD 2.7
−
5.5
V
VCC
charge pump supply voltage
VCC ≥ VDD
2.7
−
5.5
V
IDD1 + IDD2
synthesizer digital supply current VDD = 5.5 V
−
7
9.5
mA
ICC
charge pump supply current
VCC = 5.5 V;
−
3
3.8
mA
RSET = 5.6 kΩ
ICC(pd) + IDD(pd) total supply current in
power-down mode
logic levels 0 V or VDD −
5
50
µA
RF main divider input; pin 6
fRF
VRF(rms)
RF input frequency
AC-coupled input signal level
(RMS value)
Rs = 50 Ω
Rm
main divider ratio
Zi
input impedance (real part)
fRF = 1 GHz
fRF = 2 GHz
Ci
typical pin input capacitance
fRF = 1 GHz
fRF = 2 GHz
Synthesizer reference divider input; pins 15 and 16
fxtal
Vxtal(rms)
crystal reference input frequency
sinusoidal input signal level
between pins 15 and 16
(RMS value)
Rref
reference division ratio
Zi
input impedance (real part)
Ci
typical pin input capacitance
Phase detector
fxtal = 13 MHz
fxtal = 13 MHz
fPCmax
maximum loop comparison
frequency
300
−
50
−
512
−
−
1
−
60
−
1
−
1
3
−
50
−
2 200
225
MHz
mV
131 071
−
kΩ
−
Ω
−
pF
−
pF
35
MHz
500
mV
8
2 047
−
10
−
kΩ
−
1.5
−
pF
−
2000 −
kHz
Charge pump current setting resistor input; pin 19
RSET
external resistor connected
between pin 19 and ground
VSET
regulated voltage at pin 19
RSET = 5.6 kΩ
5.6
−
12
kΩ
−
1.2
−
V
1999 Jun 17
8
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