SKY72310 Datasheet, PDF (14/19 Pages) List of Unclassifed Manufacturers – SKY72310: Spur-Free, 2.1 GHz Single Fractional-N Frequency Synthesizer

DATA SHEET • SKY72310 FREQUENCY SYNTHESIZER
Table 6. Recommended Operating Conditions
Parameter
Analog RF supplies
Digital supply
Charge pump supplies
Operating temperature (TA)
Min
Max
Units
2.7
3.3
VDC
2.7
3.3
VDC
2.7
5.0
VDC
–40
+85
°C
Table 7. Electrical Characteristics (1 of 2)
(VDD = 3 V, TA = 25 °C, unless otherwise noted)
Parameter
Symbol
Power Consumption
Total power consumption
PTOTAL
Power-down current
Reference Oscillator
Reference oscillator frequency
Oscillator sensitivity (as a buffer)
Frequency shift versus supply voltage
VCO
Synthesizer operating frequency
RF input sensitivity
RF input impedance
Fractional-N tuning step size
Noise
Phase noise floor
ICC-PWDN
FOSC
VOSC
FSHIFT_SUPPLY
FVCO_MAIN
VVCO
ZVCO_IN
∆FSTEP_MAIN
Pnf
Phase Detector and Charge Pump
Phase detector frequency
Charge pump output source current
Charge pump output sink current
Charge pump accuracy
Charge pump output voltage linearity range
FREF_MAIN
ICP-SOURCE
ICP-SINK
ICP-ACCURACY
ICP vs VCP
Charge pump current versus temperature
ICP vs T
Charge pump current versus voltage
ICP vs VCP
Test Conditions
Min
Typ
Max
Charge pump current of
200 µA, synthesizer
fractional,
FREF_MAIN = 20 MHz
37.5
10 (Note 1)
50
AC coupled, single-ended
0.1
2.0
2.7 V ≤ VXTAL ≤ 3.3 V
±0.3
Sinusoidal, –40 °C to
+85 °C
AC coupled
100 (Note 2)
2100
50
250
94 – j140
@ 1200 MHz
FREF_MAIN/2¹⁸ or FREF_MAIN/2¹⁰
Measured inside the loop
bandwidth using 25 MHz
reference frequency,
–40 °C to +85 °C
–128
+ 20 Log (N)
–40 °C to +85 °C
25
VCP = 0.5 VCCCP
125
1000
VCP = 0.5 VCCCP
–125
–1000
±20
0.5 V ≤ VCP ≤ (VCCCP
– 0.5 V)
GND + 400
VCCCP – 400
VCP = 0.5 VCCCP
5
–40 °C < T < +85 °C
0.5 V ≤ VCP ≤ (VCCCP
8
– 0.5 V)
Units
mW
µA
MHz
Vpp
ppm
MHz
mVpeak
Ω
Hz
dBc/Hz
MHz
µA
µA
%
mV
%
%
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [e-mail] • www.skyworksinc.com
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July 30, 2008 • Skyworks Proprietary and Confidential information • Products and Product Information are Subject to Change Without Notice • 200705E