20 Phase Locked Loops (PLL) & Frequency Synthesis Circuits 536

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Part	Manufacturer	Other IC type	Temperature Grade	No. of Terminals	Package Code	Package Shape	Surface Mount	Package Body Material	Maximum Supply Current (Isup)	No. of Functions	Technology	Screening Level	Terminal Form	Nominal Supply Voltage (Vsup)	Power Supplies (V)	Package Style (Meter)	Package Equivalence Code	Sub-Category	Terminal Pitch	Maximum Operating Temperature	Minimum Operating Temperature	Terminal Finish	Terminal Position	JESD-30 Code	Moisture Sensitivity Level (MSL)	Maximum Supply Voltage (Vsup)	Maximum Seated Height	Width (mm)	Qualification	Minimum Supply Voltage (Vsup)	Additional Features	JESD-609 Code	Maximum Time At Peak Reflow Temperature (s)	Peak Reflow Temperature (C)	Length
TSA5518M	NXP Semiconductors	PLL FREQUENCY SYNTHESIZER	COMMERCIAL EXTENDED	20	LSSOP	RECTANGULAR	YES	PLASTIC/EPOXY	50 mA	1	BIPOLAR		GULL WING	5 V	5	SMALL OUTLINE, LOW PROFILE, SHRINK PITCH	SSOP20,.25	PLL or Frequency Synthesis Circuits	.65 mm	80 Cel	-10 Cel	NICKEL PALLADIUM GOLD	DUAL	R-PDSO-G20		5.5 V	1.5 mm	4.4 mm	Not Qualified	4.5 V		e4			6.5 mm
TSA5523M/C1	NXP Semiconductors	PLL FREQUENCY SYNTHESIZER	OTHER	20	LSSOP	RECTANGULAR	YES	PLASTIC/EPOXY		1			GULL WING	5 V		SMALL OUTLINE, LOW PROFILE, SHRINK PITCH			.65 mm	85 Cel	-20 Cel	NICKEL PALLADIUM GOLD	DUAL	R-PDSO-G20		5.5 V	1.5 mm	4.4 mm	Not Qualified	4.5 V		e4			6.5 mm
UMF1005T	NXP Semiconductors	PLL FREQUENCY SYNTHESIZER	INDUSTRIAL	20	LSSOP	RECTANGULAR	YES	PLASTIC/EPOXY		1	CMOS		GULL WING	5 V		SMALL OUTLINE, LOW PROFILE, SHRINK PITCH			.65 mm	85 Cel	-40 Cel		DUAL	R-PDSO-G20		5.5 V	1.5 mm	4.4 mm	Not Qualified	4.5 V					6.5 mm
SA568AN	NXP Semiconductors	PHASE LOCKED LOOP	INDUSTRIAL	20	DIP	RECTANGULAR	NO	PLASTIC/EPOXY		1			THROUGH-HOLE	5 V	5	IN-LINE	DIP20,.3	PLL or Frequency Synthesis Circuits	2.54 mm	85 Cel	-40 Cel		DUAL	R-PDIP-T20		5.5 V	4.2 mm	7.62 mm	Not Qualified	4.5 V					26.73 mm
UMA1022M-T	NXP Semiconductors	PLL FREQUENCY SYNTHESIZER	OTHER	20	LSSOP	RECTANGULAR	YES	PLASTIC/EPOXY		1	BICMOS		GULL WING	3 V		SMALL OUTLINE, LOW PROFILE, SHRINK PITCH			.65 mm	85 Cel	-30 Cel		DUAL	R-PDSO-G20		5.5 V	1.5 mm	4.4 mm	Not Qualified	2.7 V					6.5 mm
UMA1021M	NXP Semiconductors	PLL FREQUENCY SYNTHESIZER	OTHER	20	LSSOP	RECTANGULAR	YES	PLASTIC/EPOXY	9.5 mA	1	BICMOS		GULL WING	3 V	3/5	SMALL OUTLINE, LOW PROFILE, SHRINK PITCH	SSOP20,.25	PLL or Frequency Synthesis Circuits	.65 mm	85 Cel	-30 Cel		DUAL	R-PDSO-G20		5.5 V	1.5 mm	4.4 mm	Not Qualified	2.7 V					6.5 mm
TSA5511ATD-T	NXP Semiconductors	PLL FREQUENCY SYNTHESIZER	COMMERCIAL EXTENDED	20	SOP	RECTANGULAR	YES	PLASTIC/EPOXY		1			GULL WING	5 V		SMALL OUTLINE			1.27 mm	80 Cel	-10 Cel		DUAL	R-PDSO-G20			2.65 mm	7.5 mm	Not Qualified						12.8 mm
SA7026DH	NXP Semiconductors	PLL FREQUENCY SYNTHESIZER	INDUSTRIAL	20	TSSOP	RECTANGULAR	YES	PLASTIC/EPOXY	8.8 mA	1	BICMOS		GULL WING	3 V	3/5	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	TSSOP20,.25	PLL or Frequency Synthesis Circuits	.65 mm	85 Cel	-40 Cel		DUAL	R-PDSO-G20		5.5 V	1.1 mm	4.4 mm	Not Qualified	2.7 V					6.5 mm
SA8026DH-T	NXP Semiconductors	PLL FREQUENCY SYNTHESIZER	INDUSTRIAL	20	TSSOP	RECTANGULAR	YES	PLASTIC/EPOXY		1	BICMOS		GULL WING	3 V		SMALL OUTLINE, THIN PROFILE, SHRINK PITCH			.65 mm	85 Cel	-40 Cel		DUAL	R-PDSO-G20		5.5 V	1.1 mm	4.4 mm	Not Qualified	2.7 V	128 TO 16383 AUXILIARY DIVISION RATIO				6.5 mm
UMA1020M-T	NXP Semiconductors	PLL FREQUENCY SYNTHESIZER	OTHER	20	LSSOP	RECTANGULAR	YES	PLASTIC/EPOXY		1	BICMOS		GULL WING	5 V		SMALL OUTLINE, LOW PROFILE, SHRINK PITCH			.65 mm	85 Cel	-30 Cel		DUAL	R-PDSO-G20		5.5 V	1.5 mm	4.4 mm	Not Qualified	2.7 V					6.5 mm
TSA5511AT	NXP Semiconductors	PLL FREQUENCY SYNTHESIZER	COMMERCIAL EXTENDED	20	SOP	RECTANGULAR	YES	PLASTIC/EPOXY		1			GULL WING	5 V		SMALL OUTLINE			1.27 mm	80 Cel	-10 Cel		DUAL	R-PDSO-G20		5.5 V	2.65 mm	7.5 mm	Not Qualified	4.5 V	ADDITIONAL DIVIDE BY 8 PRESCALER				12.8 mm
TSA5512ATD-T	NXP Semiconductors	PLL FREQUENCY SYNTHESIZER	COMMERCIAL EXTENDED	20	SOP	RECTANGULAR	YES	PLASTIC/EPOXY		1			GULL WING	5 V		SMALL OUTLINE			1.27 mm	80 Cel	-10 Cel		DUAL	R-PDSO-G20		5.5 V	2.65 mm	7.5 mm	Not Qualified	4.5 V					12.8 mm
UMA1022MDK	NXP Semiconductors	PLL FREQUENCY SYNTHESIZER	OTHER	20	LSSOP	RECTANGULAR	YES	PLASTIC/EPOXY		1	BICMOS		GULL WING	3 V		SMALL OUTLINE, LOW PROFILE, SHRINK PITCH			.65 mm	85 Cel	-30 Cel		DUAL	R-PDSO-G20		5.5 V	1.5 mm	4.4 mm	Not Qualified	2.7 V					6.5 mm
TSA5522MDK-T	NXP Semiconductors	PLL FREQUENCY SYNTHESIZER	OTHER	20	LSSOP	RECTANGULAR	YES	PLASTIC/EPOXY	30 mA	1			GULL WING	5 V		SMALL OUTLINE, LOW PROFILE, SHRINK PITCH			.65 mm	85 Cel	-20 Cel		DUAL	R-PDSO-G20		5.5 V	1.5 mm	4.4 mm	Not Qualified	4.5 V	ADDITIONAL DIVIDE BY 8 PRESCALER				6.5 mm
935260813112	NXP Semiconductors	PLL FREQUENCY SYNTHESIZER	OTHER	20	LSSOP	RECTANGULAR	YES	PLASTIC/EPOXY		1	BICMOS		GULL WING	3 V		SMALL OUTLINE, LOW PROFILE, SHRINK PITCH			.65 mm	85 Cel	-30 Cel		DUAL	R-PDSO-G20		5.5 V	1.5 mm	4.4 mm	Not Qualified	2.7 V					6.5 mm
UMA1018M-T	NXP Semiconductors	PLL FREQUENCY SYNTHESIZER	OTHER	20	LSSOP	RECTANGULAR	YES	PLASTIC/EPOXY		1	BICMOS		GULL WING	5 V		SMALL OUTLINE, LOW PROFILE, SHRINK PITCH			.65 mm	85 Cel	-30 Cel		DUAL	R-PDSO-G20		5.5 V	1.5 mm	4.4 mm	Not Qualified	2.7 V					6.5 mm
SA8026DH	NXP Semiconductors	PLL FREQUENCY SYNTHESIZER	INDUSTRIAL	20	TSSOP	RECTANGULAR	YES	PLASTIC/EPOXY	12 mA	1	BICMOS		GULL WING	3 V	3/5	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	TSSOP20,.25	PLL or Frequency Synthesis Circuits	.65 mm	85 Cel	-40 Cel		DUAL	R-PDSO-G20	1	5.5 V	1.1 mm	4.4 mm	Not Qualified	2.7 V	128 TO 16383 AUXILIARY DIVISION RATIO				6.5 mm
SA8027DH,512	NXP Semiconductors	PLL FREQUENCY SYNTHESIZER	INDUSTRIAL	20	TSSOP	RECTANGULAR	YES	PLASTIC/EPOXY		1	BICMOS		GULL WING	3 V	3.3	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	TSSOP20,.25	PLL or Frequency Synthesis Circuits	.65 mm	85 Cel	-40 Cel	Nickel/Palladium/Gold (Ni/Pd/Au)	DUAL	R-PDSO-G20	1	3.6 V	1.1 mm	4.4 mm	Not Qualified	2.7 V		e4	30	260	6.5 mm
TSA5512AT-T	NXP Semiconductors	PLL FREQUENCY SYNTHESIZER	COMMERCIAL EXTENDED	20	SOP	RECTANGULAR	YES	PLASTIC/EPOXY		1			GULL WING	5 V		SMALL OUTLINE			1.27 mm	80 Cel	-10 Cel		DUAL	R-PDSO-G20		5.5 V	2.65 mm	7.5 mm	Not Qualified	4.5 V					12.8 mm
SA8025ADK-T	NXP Semiconductors	PLL FREQUENCY SYNTHESIZER	INDUSTRIAL	20	LSSOP	RECTANGULAR	YES	PLASTIC/EPOXY		1	BICMOS		GULL WING	3 V		SMALL OUTLINE, LOW PROFILE, SHRINK PITCH			.65 mm	85 Cel	-40 Cel		DUAL	R-PDSO-G20		5.5 V	1.5 mm	4.4 mm	Not Qualified	2.7 V					6.5 mm
UMA1005TD-T	NXP Semiconductors	PLL FREQUENCY SYNTHESIZER	OTHER	20	LSSOP	RECTANGULAR	YES	PLASTIC/EPOXY	5 mA	1	CMOS		GULL WING			SMALL OUTLINE, LOW PROFILE, SHRINK PITCH			.65 mm	70 Cel	-40 Cel		DUAL	R-PDSO-G20		5.5 V	1.5 mm	4.4 mm	Not Qualified	2.9 V					6.5 mm
UMA1019M	NXP Semiconductors	PLL FREQUENCY SYNTHESIZER	OTHER	20	LSSOP	RECTANGULAR	YES	PLASTIC/EPOXY	12.5 mA	1	BICMOS		GULL WING	5 V	3/5	SMALL OUTLINE, LOW PROFILE, SHRINK PITCH	SSOP20,.25	PLL or Frequency Synthesis Circuits	.65 mm	85 Cel	-30 Cel		DUAL	R-PDSO-G20		5.5 V	1.5 mm	4.4 mm	Not Qualified	2.7 V					6.5 mm
SA8026DK	NXP Semiconductors	PLL FREQUENCY SYNTHESIZER	INDUSTRIAL	20	LSSOP	RECTANGULAR	YES	PLASTIC/EPOXY		1	BICMOS		GULL WING	3.75 V		SMALL OUTLINE, LOW PROFILE, SHRINK PITCH			.65 mm	85 Cel	-40 Cel		DUAL	R-PDSO-G20		5.5 V	1.5 mm	4.4 mm	Not Qualified	2.7 V					6.5 mm
SA7015DK-T	NXP Semiconductors	PLL FREQUENCY SYNTHESIZER	INDUSTRIAL	20	LSSOP	RECTANGULAR	YES	PLASTIC/EPOXY		1	BICMOS		GULL WING	5 V		SMALL OUTLINE, LOW PROFILE, SHRINK PITCH			.65 mm	85 Cel	-40 Cel		DUAL	R-PDSO-G20		5.5 V	1.5 mm	4.4 mm	Not Qualified	2.7 V	SELECTABLE 64/65/72 PRESCALER				6.5 mm
UMA1020AM	NXP Semiconductors	PLL FREQUENCY SYNTHESIZER	OTHER	20	LSSOP	RECTANGULAR	YES	PLASTIC/EPOXY	11 mA	1	BICMOS		GULL WING	5 V		SMALL OUTLINE, LOW PROFILE, SHRINK PITCH			.65 mm	85 Cel	-30 Cel		DUAL	R-PDSO-G20		5.5 V	1.5 mm	4.4 mm	Not Qualified	2.7 V					6.5 mm
SA7025DK-T	NXP Semiconductors	PLL FREQUENCY SYNTHESIZER	INDUSTRIAL	20	LSSOP	RECTANGULAR	YES	PLASTIC/EPOXY		1	BICMOS		GULL WING	5 V		SMALL OUTLINE, LOW PROFILE, SHRINK PITCH			.65 mm	85 Cel	-40 Cel		DUAL	R-PDSO-G20		5.5 V	1.5 mm	4.4 mm	Not Qualified	2.7 V	SELECTABLE 64/65/72 PRESCALER				6.5 mm
UMA1015AM-T	NXP Semiconductors	PLL FREQUENCY SYNTHESIZER	OTHER	20	LSSOP	RECTANGULAR	YES	PLASTIC/EPOXY		1	BICMOS		GULL WING	5 V		SMALL OUTLINE, LOW PROFILE, SHRINK PITCH			.65 mm	85 Cel	-30 Cel		DUAL	R-PDSO-G20		6 V	1.5 mm	4.4 mm	Not Qualified	2.7 V					6.5 mm
UMA1021M-T	NXP Semiconductors	PLL FREQUENCY SYNTHESIZER	OTHER	20	LSSOP	RECTANGULAR	YES	PLASTIC/EPOXY		1	BICMOS		GULL WING	3 V		SMALL OUTLINE, LOW PROFILE, SHRINK PITCH			.65 mm	85 Cel	-30 Cel		DUAL	R-PDSO-G20		5.5 V	1.5 mm	4.4 mm	Not Qualified	2.7 V					6.5 mm
NE568D-T	NXP Semiconductors	PHASE LOCKED LOOP	COMMERCIAL	20	SOP	RECTANGULAR	YES	PLASTIC/EPOXY		1			GULL WING	5 V		SMALL OUTLINE			1.27 mm	70 Cel	0 Cel		DUAL	R-PDSO-G20		5.25 V	2.65 mm	7.5 mm	Not Qualified	4.75 V					12.8 mm
UMA1015M	NXP Semiconductors	PLL FREQUENCY SYNTHESIZER	COMMERCIAL	20	LSSOP	RECTANGULAR	YES	PLASTIC/EPOXY	12.5 mA	1	BICMOS		GULL WING	5 V		SMALL OUTLINE, LOW PROFILE, SHRINK PITCH			.65 mm	70 Cel	-20 Cel		DUAL	R-PDSO-G20		5.5 V	1.5 mm	4.4 mm	Not Qualified	2.6 V					6.575 mm
SA8026DK-T	NXP Semiconductors	PLL FREQUENCY SYNTHESIZER	INDUSTRIAL	20	LSSOP	RECTANGULAR	YES	PLASTIC/EPOXY		1	BICMOS		GULL WING	3.75 V		SMALL OUTLINE, LOW PROFILE, SHRINK PITCH			.65 mm	85 Cel	-40 Cel	NICKEL PALLADIUM GOLD	DUAL	R-PDSO-G20		5.5 V	1.5 mm	4.4 mm	Not Qualified	2.7 V		e4			6.5 mm
TSA5514AT-T	NXP Semiconductors	PLL FREQUENCY SYNTHESIZER	COMMERCIAL EXTENDED	20	SOP	RECTANGULAR	YES	PLASTIC/EPOXY		1			GULL WING	5 V		SMALL OUTLINE			1.27 mm	80 Cel	-10 Cel		DUAL	R-PDSO-G20		5.5 V	2.65 mm	7.5 mm	Not Qualified	4.5 V					12.8 mm
OM5156M	NXP Semiconductors	PLL FREQUENCY SYNTHESIZER	OTHER	20	LSSOP	RECTANGULAR	YES	PLASTIC/EPOXY		1	BICMOS		GULL WING	3 V		SMALL OUTLINE, LOW PROFILE, SHRINK PITCH			.65 mm	85 Cel	-30 Cel	NICKEL PALLADIUM GOLD	DUAL	R-PDSO-G20		5.5 V	1.5 mm	4.4 mm	Not Qualified	2.7 V		e4			6.5 mm
UMA1017MDK	NXP Semiconductors	PLL FREQUENCY SYNTHESIZER	INDUSTRIAL	20	LSSOP	RECTANGULAR	YES	PLASTIC/EPOXY	.025 mA	1	BICMOS		GULL WING	5 V		SMALL OUTLINE, LOW PROFILE, SHRINK PITCH			.65 mm	85 Cel	-40 Cel		DUAL	R-PDSO-G20		5.5 V	1.5 mm	4.4 mm	Not Qualified	2.7 V					6.575 mm
UMA1018MDK	NXP Semiconductors	PLL FREQUENCY SYNTHESIZER	COMMERCIAL	20	LSSOP	RECTANGULAR	YES	PLASTIC/EPOXY	.025 mA	1	BICMOS		GULL WING	5 V		SMALL OUTLINE, LOW PROFILE, SHRINK PITCH			.65 mm	70 Cel	-20 Cel		DUAL	R-PDSO-G20		5.5 V	1.5 mm	4.4 mm	Not Qualified	2.7 V					6.575 mm
SA7015DK	NXP Semiconductors	PLL FREQUENCY SYNTHESIZER	INDUSTRIAL	20	LSSOP	RECTANGULAR	YES	PLASTIC/EPOXY		1	BICMOS		GULL WING	5 V		SMALL OUTLINE, LOW PROFILE, SHRINK PITCH			.65 mm	85 Cel	-40 Cel		DUAL	R-PDSO-G20		5.5 V	1.5 mm	4.4 mm	Not Qualified	2.7 V	SELECTABLE 64/65/72 PRESCALER				6.5 mm
5962-9464101QRA	NXP Semiconductors	PLL FREQUENCY SYNTHESIZER	MILITARY	20	DIP	RECTANGULAR	NO	CERAMIC, GLASS-SEALED		1		MIL-PRF-38535 Class Q	THROUGH-HOLE	5 V		IN-LINE				125 Cel	-55 Cel		DUAL	R-GDIP-T20		9 V				3 V
TSA5512MDK-T	NXP Semiconductors	PLL FREQUENCY SYNTHESIZER	COMMERCIAL EXTENDED	20	LSSOP	RECTANGULAR	YES	PLASTIC/EPOXY		1			GULL WING	5 V		SMALL OUTLINE, LOW PROFILE, SHRINK PITCH			.65 mm	80 Cel	-10 Cel		DUAL	R-PDSO-G20		5.5 V	1.5 mm	4.4 mm	Not Qualified	4.5 V					6.5 mm
UMA1015AM	NXP Semiconductors	PLL FREQUENCY SYNTHESIZER	OTHER	20	LSSOP	RECTANGULAR	YES	PLASTIC/EPOXY		1	BICMOS		GULL WING	5 V	3/5	SMALL OUTLINE, LOW PROFILE, SHRINK PITCH	SSOP20,.25	PLL or Frequency Synthesis Circuits	.65 mm	85 Cel	-30 Cel		DUAL	R-PDSO-G20		6 V	1.5 mm	4.4 mm	Not Qualified	2.7 V					6.5 mm
SA7025DK	NXP Semiconductors	PLL FREQUENCY SYNTHESIZER	INDUSTRIAL	20	LSSOP	RECTANGULAR	YES	PLASTIC/EPOXY		1	BICMOS		GULL WING	5 V	3/5	SMALL OUTLINE, LOW PROFILE, SHRINK PITCH	SSOP20,.25	PLL or Frequency Synthesis Circuits	.65 mm	85 Cel	-40 Cel		DUAL	R-PDSO-G20	1	5.5 V	1.5 mm	4.4 mm	Not Qualified	2.7 V	SELECTABLE 64/65/72 PRESCALER				6.5 mm
UMA1019AM-T	NXP Semiconductors	PLL FREQUENCY SYNTHESIZER	OTHER	20	LSSOP	RECTANGULAR	YES	PLASTIC/EPOXY	11 mA	1	BICMOS		GULL WING	5 V		SMALL OUTLINE, LOW PROFILE, SHRINK PITCH			.65 mm	85 Cel	-30 Cel		DUAL	R-PDSO-G20		5.5 V	1.5 mm	4.4 mm	Not Qualified	2.7 V					6.5 mm
NE568AD-T	NXP Semiconductors	PHASE LOCKED LOOP	COMMERCIAL	20	SOP	RECTANGULAR	YES	PLASTIC/EPOXY		1			GULL WING	5 V		SMALL OUTLINE			1.27 mm	70 Cel	0 Cel		DUAL	R-PDSO-G20		5.5 V	2.65 mm	7.5 mm	Not Qualified	4.5 V					12.8 mm
NE568AN	NXP Semiconductors	PHASE LOCKED LOOP	COMMERCIAL	20	DIP	RECTANGULAR	NO	PLASTIC/EPOXY		1			THROUGH-HOLE	5 V	5	IN-LINE	DIP20,.3	PLL or Frequency Synthesis Circuits	2.54 mm	70 Cel	0 Cel		DUAL	R-PDIP-T20		5.5 V	4.2 mm	7.62 mm	Not Qualified	4.5 V					26.73 mm
SA8025DK-T	NXP Semiconductors	PLL FREQUENCY SYNTHESIZER	INDUSTRIAL	20	LSSOP	RECTANGULAR	YES	PLASTIC/EPOXY		1	BICMOS		GULL WING	5 V		SMALL OUTLINE, LOW PROFILE, SHRINK PITCH			.65 mm	85 Cel	-40 Cel		DUAL	R-PDSO-G20		5.5 V	1.7 mm	4.4 mm	Not Qualified	2.7 V	SELECTABLE 64/65/68/73 PRESCALER				6.575 mm
UMA1020M	NXP Semiconductors	PLL FREQUENCY SYNTHESIZER	OTHER	20	LSSOP	RECTANGULAR	YES	PLASTIC/EPOXY		1	BICMOS		GULL WING	5 V		SMALL OUTLINE, LOW PROFILE, SHRINK PITCH			.65 mm	85 Cel	-30 Cel		DUAL	R-PDSO-G20		5.5 V	1.5 mm	4.4 mm	Not Qualified	2.7 V					6.5 mm
568A/BLA	NXP Semiconductors	PHASE LOCKED LOOP	MILITARY	20	DIP	RECTANGULAR	NO	CERAMIC, METAL-SEALED COFIRED	70 mA	1			THROUGH-HOLE	5 V		IN-LINE				125 Cel	-55 Cel	TIN/NICKEL PALLADIUM GOLD	DUAL	R-CDIP-T20		5.5 V			Not Qualified	4.5 V		e3/e4
568A/BRA	NXP Semiconductors	PHASE LOCKED LOOP	MILITARY	20	DIP	RECTANGULAR	NO	CERAMIC, GLASS-SEALED		1			THROUGH-HOLE	5 V		IN-LINE			2.54 mm	125 Cel	-55 Cel		DUAL	R-GDIP-T20		5.5 V	5.08 mm	7.62 mm	Not Qualified	4.5 V
UMA1019AM	NXP Semiconductors	PLL FREQUENCY SYNTHESIZER	OTHER	20	LSSOP	RECTANGULAR	YES	PLASTIC/EPOXY	11 mA	1	BICMOS		GULL WING	5 V	3/5	SMALL OUTLINE, LOW PROFILE, SHRINK PITCH	SSOP20,.25	PLL or Frequency Synthesis Circuits	.65 mm	85 Cel	-30 Cel		DUAL	R-PDSO-G20		5.5 V	1.5 mm	4.4 mm	Not Qualified	2.7 V					6.5 mm

Phase Locked Loops (PLL) & Frequency Synthesis Circuits

Phase Locked Loops (PLL) and Frequency Synthesis Circuits are electronic circuits used to generate and control stable and precise frequencies for use in various applications, such as communication systems, signal processing, and instrumentation.

A PLL is a feedback system that compares the phase of an input signal to the phase of a reference signal and adjusts the output frequency to match the reference frequency. The basic components of a PLL include a phase detector, a low-pass filter, a voltage-controlled oscillator (VCO), and a frequency divider. The phase detector compares the phase of the input and reference signals and generates an error signal that is filtered and used to adjust the frequency of the VCO. The output of the VCO is divided by a frequency divider to generate the output frequency. PLLs are commonly used for frequency synthesis, clock recovery, and phase modulation/demodulation.

Frequency synthesis circuits are electronic circuits used to generate precise and stable frequencies by combining multiple signals with different frequencies. These circuits use various techniques, such as direct digital synthesis (DDS), fractional-N synthesis, and frequency mixing to generate frequencies. DDS is a technique that uses a digital signal generator to generate a waveform with a specific frequency, phase, and amplitude. Fractional-N synthesis is a technique that uses a PLL to generate a frequency that is a fraction of the reference frequency. Frequency mixing is a technique that combines two signals with different frequencies to generate a signal with a frequency equal to the difference between the two frequencies.

PLLs and frequency synthesis circuits are critical components in many electronic systems that require precise and stable frequencies. These circuits are used in communication systems, signal processing, instrumentation, and other applications where accurate frequency generation and control is required.