INDUSTRIAL Phase Locked Loops (PLL) & Frequency Synthesis Circuits 2,400+

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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	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
STW82103B	STMicroelectronics	PLL FREQUENCY SYNTHESIZER	INDUSTRIAL	44	HVQCCN	SQUARE	YES	UNSPECIFIED		1	BICMOS	NO LEAD	3.3 V		CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE			.5 mm	85 Cel	-40 Cel	MATTE TIN	QUAD	S-XQCC-N44	3	3.45 V	1 mm	7 mm		3.15 V	IT ALSO OPERATES AT 5V SUPPLY, SELECTABLE 19/20 PRESCALER	e3	40	260	7 mm
TDA7327D1	STMicroelectronics	PLL FREQUENCY SYNTHESIZER	INDUSTRIAL	28	SOP	RECTANGULAR	YES	PLASTIC/EPOXY		1		GULL WING	5 V		SMALL OUTLINE			1.27 mm	85 Cel	-40 Cel	TIN LEAD	DUAL	R-PDSO-G28		5.5 V	2.65 mm	7.5 mm	Not Qualified	4.5 V	IT ALSO REQUIRES 9V TO OPERATE	e0			17.9 mm
STW82102BTR	STMicroelectronics	PLL FREQUENCY SYNTHESIZER	INDUSTRIAL	44	HVQCCN	SQUARE	YES	UNSPECIFIED		1	BICMOS	NO LEAD	3.3 V		CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE			.5 mm	85 Cel	-40 Cel	MATTE TIN	QUAD	S-XQCC-N44	3	3.45 V	1 mm	7 mm		3.15 V	IT ALSO OPERATES AT 5V SUPPLY, SELECTABLE 19/20 PRESCALER	e3	30	260	7 mm
STW82101BTR	STMicroelectronics	PLL FREQUENCY SYNTHESIZER	INDUSTRIAL	44	HVQCCN	SQUARE	YES	UNSPECIFIED		1	BICMOS	NO LEAD	3.3 V		CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE			.5 mm	85 Cel	-40 Cel	MATTE TIN	QUAD	S-XQCC-N44	3	3.45 V	1 mm	7 mm		3.15 V	IT ALSO OPERATES AT 5V SUPPLY, SELECTABLE 19/20 PRESCALER	e3	40	260	7 mm
TDA7327	STMicroelectronics	PLL FREQUENCY SYNTHESIZER	INDUSTRIAL	20	DIP	RECTANGULAR	NO	PLASTIC/EPOXY		1		THROUGH-HOLE	5 V		IN-LINE			2.54 mm	85 Cel	-40 Cel	TIN LEAD	DUAL	R-PDIP-T20		5.5 V	3.93 mm	7.62 mm	Not Qualified	4.5 V	IT ALSO REQUIRES 9V TO OPERATE	e0
STW81100ATR	STMicroelectronics		INDUSTRIAL	28	QCCN	SQUARE	YES	PLASTIC/EPOXY	100 mA		BICMOS	NO LEAD	3.3 V	3.3	CHIP CARRIER	LCC28,.2SQ,20	PLL or Frequency Synthesis Circuits	.5 mm	85 Cel	-40 Cel		QUAD	S-PQCC-N28					Not Qualified
STW81100AT	STMicroelectronics		INDUSTRIAL	28	QCCN	SQUARE	YES	PLASTIC/EPOXY	100 mA		BICMOS	NO LEAD	3.3 V	3.3	CHIP CARRIER	LCC28,.2SQ,20	PLL or Frequency Synthesis Circuits	.5 mm	85 Cel	-40 Cel		QUAD	S-PQCC-N28					Not Qualified
HCF4046BE	STMicroelectronics		INDUSTRIAL	16	DIP	RECTANGULAR	NO	PLASTIC/EPOXY			CMOS	THROUGH-HOLE		5/15	IN-LINE	DIP16,.3	PLL or Frequency Synthesis Circuits	2.54 mm	85 Cel	-40 Cel	TIN LEAD	DUAL	R-PDIP-T16					Not Qualified			e0
TDA7427D	STMicroelectronics	PLL FREQUENCY SYNTHESIZER	INDUSTRIAL	20	SOP	RECTANGULAR	YES	PLASTIC/EPOXY		1		GULL WING	5 V		SMALL OUTLINE			1.27 mm	85 Cel	-40 Cel	NICKEL PALLADIUM GOLD	DUAL	R-PDSO-G20		5.5 V	2.65 mm	7.5 mm	Not Qualified	4.5 V	ALSO REQUIRES A 10V NOMINAL SUPPLY	e4			12.8 mm
TDA7427AAD1	STMicroelectronics	PLL FREQUENCY SYNTHESIZER	INDUSTRIAL	28	SOP	RECTANGULAR	YES	PLASTIC/EPOXY		1		GULL WING	5 V		SMALL OUTLINE			1.27 mm	85 Cel	-40 Cel	NICKEL PALLADIUM GOLD	DUAL	R-PDSO-G28		5.5 V	2.65 mm	7.5 mm	Not Qualified	4.5 V		e4			17.9 mm
TDA7427ADTR	STMicroelectronics	PLL FREQUENCY SYNTHESIZER	INDUSTRIAL	28	TSSOP	RECTANGULAR	YES	PLASTIC/EPOXY		1	CMOS	GULL WING	5 V		SMALL OUTLINE, THIN PROFILE, SHRINK PITCH			.65 mm	85 Cel	-40 Cel		DUAL	R-PDSO-G28		5.5 V	1.2 mm	4.4 mm	Not Qualified	4.5 V	ALSO REQUIRES A 10V NOMINAL SUPPLY				9.7 mm
TDA7427AD	STMicroelectronics	PLL FREQUENCY SYNTHESIZER	INDUSTRIAL	28	TSSOP	RECTANGULAR	YES	PLASTIC/EPOXY		1	CMOS	GULL WING	5 V		SMALL OUTLINE, THIN PROFILE, SHRINK PITCH			.65 mm	85 Cel	-40 Cel	NICKEL PALLADIUM GOLD	DUAL	R-PDSO-G28	3	5.5 V	1.2 mm	4.4 mm	Not Qualified	4.5 V	ALSO REQUIRES A 10V NOMINAL SUPPLY	e4			9.7 mm
TDA7327D	STMicroelectronics	PLL FREQUENCY SYNTHESIZER	INDUSTRIAL	20	SOP	RECTANGULAR	YES	PLASTIC/EPOXY		1		GULL WING	5 V		SMALL OUTLINE			1.27 mm	85 Cel	-40 Cel	TIN LEAD	DUAL	R-PDSO-G20		5.5 V	2.65 mm	7.5 mm	Not Qualified	4.5 V	IT ALSO REQUIRES 9V TO OPERATE	e0			12.8 mm
A888ATR	STMicroelectronics		INDUSTRIAL	28	QCCN	SQUARE	YES	PLASTIC/EPOXY	100 mA		BICMOS	NO LEAD	3.3 V	3.3	CHIP CARRIER	LCC28,.2SQ,20	PLL or Frequency Synthesis Circuits	.5 mm	85 Cel	-40 Cel		QUAD	S-PQCC-N28					Not Qualified
TDA7427AD1TR	STMicroelectronics	PLL FREQUENCY SYNTHESIZER	INDUSTRIAL	28	SOP	RECTANGULAR	YES	PLASTIC/EPOXY		1	CMOS	GULL WING	5 V		SMALL OUTLINE			1.27 mm	85 Cel	-40 Cel	TIN LEAD	DUAL	R-PDSO-G28		5.5 V	2.65 mm	7.5 mm	Not Qualified	4.5 V	ALSO REQUIRES A 10V NOMINAL SUPPLY	e0			17.9 mm
STW82102B	STMicroelectronics	PLL FREQUENCY SYNTHESIZER	INDUSTRIAL	44	HVQCCN	SQUARE	YES	UNSPECIFIED		1	BICMOS	NO LEAD	3.3 V		CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE			.5 mm	85 Cel	-40 Cel	MATTE TIN	QUAD	S-XQCC-N44	3	3.45 V	1 mm	7 mm		3.15 V	IT ALSO OPERATES AT 5V SUPPLY, SELECTABLE 19/20 PRESCALER	e3	30	260	7 mm
A888AT	STMicroelectronics		INDUSTRIAL	28	QCCN	SQUARE	YES	PLASTIC/EPOXY	100 mA		BICMOS	NO LEAD	3.3 V	3.3	CHIP CARRIER	LCC28,.2SQ,20	PLL or Frequency Synthesis Circuits	.5 mm	85 Cel	-40 Cel		QUAD	S-PQCC-N28					Not Qualified
STW82101B	STMicroelectronics	PLL FREQUENCY SYNTHESIZER	INDUSTRIAL	44	HVQCCN	SQUARE	YES	UNSPECIFIED		1	BICMOS	NO LEAD	3.3 V		CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE			.5 mm	85 Cel	-40 Cel	MATTE TIN	QUAD	S-XQCC-N44	3	3.45 V	1 mm	7 mm		3.15 V	IT ALSO OPERATES AT 5V SUPPLY, SELECTABLE 19/20 PRESCALER	e3	40	260	7 mm
TDA7427AAD	STMicroelectronics	PLL FREQUENCY SYNTHESIZER	INDUSTRIAL	28	TSSOP	RECTANGULAR	YES	PLASTIC/EPOXY		1		GULL WING	5 V		SMALL OUTLINE, THIN PROFILE, SHRINK PITCH			.65 mm	85 Cel	-40 Cel	Tin/Lead (Sn/Pb)	DUAL	R-PDSO-G28		5.5 V	1.2 mm	4.4 mm	Not Qualified	4.5 V		e0			9.7 mm
TDA7326	STMicroelectronics	PLL FREQUENCY SYNTHESIZER	INDUSTRIAL	16	DIP	RECTANGULAR	NO	PLASTIC/EPOXY		1	CMOS	THROUGH-HOLE	5 V		IN-LINE			2.54 mm	85 Cel	-40 Cel	TIN LEAD	DUAL	R-PDIP-T16		5.5 V	5.1 mm	7.62 mm	Not Qualified	4.5 V		e0
TDA7427	STMicroelectronics	PLL FREQUENCY SYNTHESIZER	INDUSTRIAL	20	DIP	RECTANGULAR	NO	PLASTIC/EPOXY		1		THROUGH-HOLE	5 V		IN-LINE			2.54 mm	85 Cel	-40 Cel	MATTE TIN	DUAL	R-PDIP-T20		5.5 V	3.93 mm	7.62 mm	Not Qualified	4.5 V	ALSO REQUIRES A 10V NOMINAL SUPPLY	e3			25.15 mm
STW81100ATR-1	STMicroelectronics		INDUSTRIAL	28	QCCN	SQUARE	YES	PLASTIC/EPOXY	100 mA		BICMOS	NO LEAD	3.3 V	3.3	CHIP CARRIER	LCC28,.2SQ,20	PLL or Frequency Synthesis Circuits	.5 mm	85 Cel	-40 Cel		QUAD	S-PQCC-N28					Not Qualified
HCF4046BC1	STMicroelectronics	PHASE LOCKED LOOP	INDUSTRIAL	20	QCCJ	SQUARE	YES	PLASTIC/EPOXY		1	CMOS	J BEND	10 V	5/15	CHIP CARRIER	LDCC20,.4SQ	PLL or Frequency Synthesis Circuits	1.27 mm	85 Cel	-40 Cel	MATTE TIN	QUAD	S-PQCC-J20		15 V	4.57 mm	8.965 mm	Not Qualified	3 V		e3			8.965 mm
TDA7326D	STMicroelectronics	PLL FREQUENCY SYNTHESIZER	INDUSTRIAL	16	SOP	RECTANGULAR	YES	PLASTIC/EPOXY		1	CMOS	GULL WING	5 V		SMALL OUTLINE			1.27 mm	85 Cel	-40 Cel	TIN LEAD	DUAL	R-PDSO-G16		5.5 V	2.65 mm	7.5 mm	Not Qualified	4.5 V		e0			10.3 mm
STW81100AT-1	STMicroelectronics		INDUSTRIAL	28	QCCN	SQUARE	YES	PLASTIC/EPOXY	100 mA		BICMOS	NO LEAD	3.3 V	3.3	CHIP CARRIER	LCC28,.2SQ,20	PLL or Frequency Synthesis Circuits	.5 mm	85 Cel	-40 Cel		QUAD	S-PQCC-N28					Not Qualified
STUW81300-1T	STMicroelectronics	PHASE LOCKED LOOP	INDUSTRIAL	36	HVQCCN	SQUARE	YES	UNSPECIFIED		1	BICMOS	NO LEAD	3.3 V		CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	LCC36,.24SQ,20		.5 mm	85 Cel	-40 Cel		QUAD	S-XQCC-N36		5.4 V	1 mm	6 mm		3 V					6 mm
STUW81300-1TR	STMicroelectronics	PHASE LOCKED LOOP	INDUSTRIAL	36	HVQCCN	SQUARE	YES	UNSPECIFIED		1	BICMOS	NO LEAD	3.3 V		CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	LCC36,.24SQ,20		.5 mm	85 Cel	-40 Cel		QUAD	S-XQCC-N36		5.4 V	1 mm	6 mm		3 V					6 mm
SA8028W	NXP Semiconductors	PLL FREQUENCY SYNTHESIZER	INDUSTRIAL	24	HVBCC	SQUARE	YES	PLASTIC/EPOXY		1	BICMOS	BUTT	3 V	3/3.3	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	LCC24,.16SQ,20	PLL or Frequency Synthesis Circuits	.5 mm	85 Cel	-40 Cel	NICKEL PALLADIUM GOLD	BOTTOM	S-PBCC-B24	3	3.6 V	.8 mm	4 mm	Not Qualified	2.7 V		e4			4 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
TSA6060	NXP Semiconductors	PLL FREQUENCY SYNTHESIZER	INDUSTRIAL	16	DIP	RECTANGULAR	NO	PLASTIC/EPOXY		1		THROUGH-HOLE	5 V		IN-LINE			2.54 mm	85 Cel	-40 Cel	TIN/NICKEL PALLADIUM GOLD	DUAL	R-PDIP-T16		5.5 V	4.7 mm	7.62 mm	Not Qualified	4.5 V		e3/e4			21.6 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
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
TDD1742T-T	NXP Semiconductors	PLL FREQUENCY SYNTHESIZER	INDUSTRIAL	28	SOP	RECTANGULAR	YES	PLASTIC/EPOXY	1.5 mA	1	CMOS	GULL WING	7.4 V		SMALL OUTLINE			1.27 mm	85 Cel	-40 Cel		DUAL	R-PDSO-G28		10 V	2.65 mm	7.5 mm	Not Qualified	7 V					17.9 mm
933296690652	NXP Semiconductors	PHASE LOCKED LOOP	INDUSTRIAL	16	DIP	RECTANGULAR	NO	PLASTIC/EPOXY		1	CMOS	THROUGH-HOLE			IN-LINE			2.54 mm	85 Cel	-40 Cel	NICKEL PALLADIUM GOLD	DUAL	R-PDIP-T16		15 V	4.7 mm	7.62 mm	Not Qualified	3 V		e4			21.6 mm
TDD1742TD	NXP Semiconductors	PLL FREQUENCY SYNTHESIZER	INDUSTRIAL	28	SOP	RECTANGULAR	YES	PLASTIC/EPOXY	1.5 mA	1	CMOS	GULL WING	7.4 V		SMALL OUTLINE			1.27 mm	85 Cel	-40 Cel		DUAL	R-PDSO-G28		10 V	2.65 mm	7.5 mm	Not Qualified	7 V					17.9 mm
SA8028W,557	NXP Semiconductors	PLL FREQUENCY SYNTHESIZER	INDUSTRIAL	24	HVBCC	SQUARE	YES	PLASTIC/EPOXY		1	BICMOS	BUTT	3 V	3/3.3	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	LCC24,.16SQ,20	PLL or Frequency Synthesis Circuits	.5 mm	85 Cel	-40 Cel	NICKEL PALLADIUM GOLD	BOTTOM	S-PBCC-B24	3	3.6 V	.8 mm	4 mm	Not Qualified	2.7 V		e4			4 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
UMA1014T-T	NXP Semiconductors	PLL FREQUENCY SYNTHESIZER	INDUSTRIAL	16	SOP	RECTANGULAR	YES	PLASTIC/EPOXY	13.5 mA	1	BIPOLAR	GULL WING	5 V		SMALL OUTLINE			1.27 mm	85 Cel	-40 Cel		DUAL	R-PDSO-G16		5.5 V	1.75 mm	3.9 mm	Not Qualified	4.5 V	5-BIT AUXILIARY INPUT COUNTER; SELECTABLE 31/32 PRESCALER				9.9 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
UMA1014T	NXP Semiconductors	PLL FREQUENCY SYNTHESIZER	INDUSTRIAL	16	SOP	RECTANGULAR	YES	PLASTIC/EPOXY	13.5 mA	1	BIPOLAR	GULL WING	5 V	5	SMALL OUTLINE	SOP16,.25	PLL or Frequency Synthesis Circuits	1.27 mm	85 Cel	-40 Cel		DUAL	R-PDSO-G16		5.5 V	1.75 mm	3.9 mm	Not Qualified	4.5 V	5-BIT AUXILIARY INPUT COUNTER; SELECTABLE 31/32 PRESCALER				9.9 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
TDD1742T	NXP Semiconductors	PLL FREQUENCY SYNTHESIZER	INDUSTRIAL	28	SOP	RECTANGULAR	YES	PLASTIC/EPOXY	1.5 mA	1	CMOS	GULL WING	7.4 V		SMALL OUTLINE			1.27 mm	85 Cel	-40 Cel		DUAL	R-PDSO-G28		10 V	2.65 mm	7.5 mm	Not Qualified	7 V					17.9 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
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
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

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.