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■ DESCRIPTION

The Fujitsu MB15E07L is serial input Phase Locked Loop (PLL) frequency synthesizer with a 2.5 GHz prescaler. A 32/33 or a 64/65 can be selected for the prescaler that enables pulse swallow operation.

The latest BiCMOS process technology is used, resuItantly a supply current is limited as low as 4.5 mA typ. This operates with a supply voltage of 3.0 V (typ.)

Furthermore, a super charger circuit is included to get a fast tuning as well as low noise performance. As a result of this, MB15E07L is ideally suitable for digital mobile communications, such as GSM (Global System for Mobile Communications).

■ FEATURES

? High frequency operation: 2.5 GHz max. (@ P = 64/65)

2.0 GHz max. (@ P = 32/33)

? Low power supply voltage: VCC = 2.7 to 3.6 V

? Very Low power supply current: ICC = 4.5 mA typ. (VCC = 3 V)

? Power saving function: IPS = 0.1 μA typ. (VCC = 3 V)

? Pulse swallow function: 32/33 or 64/65

? Serial input 14-bit programmable reference divider: R = 5 to 16,383

? Serial input 18-bit programmable divider consisting of:

- Binary 7-bit swallow counter: 0 to 127

- Binary 11-bit programmable counter: 5 to 2,047

? Wide operating temperature: Ta = –40 to +85°C

? Plastic 16-pin SSOP package (FPT-16P-M05) and 16-pads BCC package (LCC-16P-M02)