The ML12210 is a 2.5 GHz Bipolar monolithic serial input phase locked loop (PLL) synthesizer with pulse–swallow function. It is designed to provide the high frequency local oscillator signal of an RF transceiver in handheld communication applications.

• Low Power Supply Current of 8.8 mA Typical for ICC and 0.7 mA Typical for Ip

• Supply Voltage of 2.7 to 5.5 V

• Dual Modulus Prescaler With Selectable Divide Ratios of 32/33 or 64/65

• On–Chip Reference Oscillator/Buffer

• Programmable Reference Divider Consisting of a Binary 14–Bit Programmable Reference Counter

• Programmable Divider Consisting of a Binary 7–Bit Swallow Counter and an 11–Bit Programmable Counter

• Phase/Frequency Detector With Phase Conversion Function

• Balanced Charge Pump Outputs

• Dual Internal Charge Pumps for Bypassing the First Stage of the Loop Filter to Decrease Lock Time

• Outputs for External Charge Pump

• Operating Temperature Range of TA = –40 to 85°C