PMB2307R PLL-Frequency Synthesizer Datasheet

PLL-Frequency Synthesizer PMB2307R

The PMB2307R PLL is a high speed CMOS IC, especially designed for use in battery powered radio equipment and mobile telephones. The primary applications will be in digital systems e.g. GSM, PCN, ADC, JDC and DECT systems. The wide range of dividing ratios also allows application in analog systems.

Bipolar IC P-TSSOP-16

Features
• Low operating current consumption (typically 3.5 mA)
• High input sensitivity, high input frequencies (220 MHz)
• Extremely fast phase detector without dead zone
• Linearization of the phase detector output by current sources
• Synchronous programming of the counters (n-, n/a-, r-counters) and system parameters
• Fast modulus switchover for 65-MHz operation
• Switchable modulus trigger edge
• Large dividing ratios for small channel spacing A scaler 0 to 127 N scaler 3 to 16.383 R scaler 3 to 65.535
• Serial control (3-wire bus data, clock, enable) for fast programming (fmax ~ 10 MHz)
• Switchable polarity and phase detector current programmable
• 2 Multifunction output MFO2 pin fixed connected to internal VREF-bias network via internal 560 Ω resistor
• Digital phase detector output signals (e.g. for external charge pump)
• frn, fvn outputs of the R and N scalers
• Port 1 output (e.g. for standby of the prescaler)
• External current setting for PD output
• Lock detect output with gated anti-backlash pulse (quasidigital lock detect)

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