MB15F73UL Datasheet, PDF (1/18 Pages) Fujitsu Component Limited. – ASSP Dual Serial Input PLL Frequency Synthesizer

Dec. 2000
Edition 2.0
ASSP
Dual Serial Input
PLL Frequency Synthesizer
MB15F73UL
n DESCRIPTION
The Fujitsu MB15F73UL is a serial input Phase Locked Loop (PLL) frequency synthesizer with a 2250MHz and a
600MHz prescalers. A 64/65 or a 128/129 for the 2250MHz prescaler, and a 8/9 or a 16/17 for the 600MHz prescaler
can be selected for the prescaler that enables pulse swallow operation.
The latest BiCMOS process is used, as a result a supply current is typically 3.2mA typ. at 2.7V. The supply voltage
range is from 2.4V to 3.6V. A refined charge pump supplies well-balanced output current with 1.5mA and 6mA
selectable by serial data. The data format is same as the previous one MB15F03SL, MB15F73SP. Fast locking is
acheived for adopting the new circuit.
The new package(BCC20) decreases a mount area of MB15F73UL more than 30% comparing with the former
BCC16(for dual PLL).
MB15F73UL is ideally suited for wireless mobile communications, such as GSM and CDMA.
n FEATURES
• High frequency operation: RF synthesizer : 2250MHz max
IF synthesizer : 600MHz max
• Low power supply voltage: VCC = 2.4 to 3.6 V
Preliminary. ^{• Ultra Low power supply current : ICC = 3.2 mA typ. (VCC = Vp=2.7V, Ta=25°C, SW=0 in RF, IF locking state)}
• Direct power saving function : Power supply current in power saving mode
Typ. 0.1 µA(Vcc=Vp=2.7V, Ta=25°C), Max. 10 µA(Vcc=Vp=2.7V)
• Dual modulus prescaler : 2250MHz prescaler(64/65 or 128/129) / 600MHz prescaler(8/9 or 16/17)
• Serial input 14-bit programmable reference divider: R = 3 to 16,383
• Serial input programmable divider consisting of:
- Binary 7-bit swallow counter: 0 to 127
- Binary 11-bit programmable counter: 3 to 2,047
• On-chip phase comparator for fast lock and low noise
• On-chip phase control for phase comparator
• Operating temperature: Ta = –40 to 85°C
• Sireal data format compatible with MB15F03SL
20-pin, Plastic TSSOP
20-pad, Plastic BCC
(FPT-20P-M06)
(LCC-20P-M05)
1