Silicon Labs Phase Locked Loops (PLL) & Frequency Synthesis Circuits 7

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Part	Manufacturer	Other IC type	Temperature Grade	No. of Terminals	Package Code	Package Shape	Surface Mount	Package Body Material	No. of Functions	Terminal Form	Nominal Supply Voltage (Vsup)	Package Style (Meter)	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)	JESD-609 Code	Maximum Time At Peak Reflow Temperature (s)	Peak Reflow Temperature (C)	Length
SI4112-D-GM	Silicon Labs	PHASE LOCKED LOOP	INDUSTRIAL	28	HVQCCN	SQUARE	YES	UNSPECIFIED	1	NO LEAD	3 V	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	.5 mm	85 Cel	-40 Cel	Matte Tin (Sn)	QUAD	S-XQCC-N28	3	3.6 V	.9 mm	5 mm	Not Qualified	2.7 V	e3	40	260	5 mm
SI4113-D-GM	Silicon Labs	PHASE LOCKED LOOP	INDUSTRIAL	28	HVQCCN	SQUARE	YES	UNSPECIFIED	1	NO LEAD	3 V	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	.5 mm	85 Cel	-40 Cel		QUAD	S-XQCC-N28		3.6 V	.9 mm	5 mm	Not Qualified	2.7 V		40	260	5 mm
SI4122-D-GM	Silicon Labs	PHASE LOCKED LOOP	INDUSTRIAL	28	HVQCCN	SQUARE	YES	UNSPECIFIED	1	NO LEAD	3 V	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	.5 mm	85 Cel	-40 Cel		QUAD	S-XQCC-N28		3.6 V	.9 mm	5 mm	Not Qualified	2.7 V		40	260	5 mm
SI4133-D-GM	Silicon Labs	PHASE LOCKED LOOP	INDUSTRIAL	28	HVQCCN	SQUARE	YES	UNSPECIFIED	1	NO LEAD	3 V	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	.5 mm	85 Cel	-40 Cel	MATTE TIN	QUAD	S-XQCC-N28		3.6 V	.9 mm	5 mm	Not Qualified	2.7 V	e3			5 mm
SI4133-D-GT	Silicon Labs	PHASE LOCKED LOOP	INDUSTRIAL	24	TSSOP	RECTANGULAR	YES	PLASTIC/EPOXY	1	GULL WING	3 V	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	.65 mm	85 Cel	-40 Cel		DUAL	R-PDSO-G24		3.6 V	1.2 mm	4.4 mm	Not Qualified	2.7 V		40	260	7.8 mm
SI4112-D-GT	Silicon Labs	PHASE LOCKED LOOP	INDUSTRIAL	24	TSSOP	RECTANGULAR	YES	PLASTIC/EPOXY	1	GULL WING	3 V	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	.65 mm	85 Cel	-40 Cel	SILVER	DUAL	R-PDSO-G24		3.6 V	1.2 mm	4.4 mm	Not Qualified	2.7 V	e4			7.8 mm
SI4123-D-GT	Silicon Labs	PHASE LOCKED LOOP	INDUSTRIAL	24	TSSOP	RECTANGULAR	YES	PLASTIC/EPOXY	1	GULL WING	3 V	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	.65 mm	85 Cel	-40 Cel	SILVER	DUAL	R-PDSO-G24		3.6 V	1.2 mm	4.4 mm	Not Qualified	2.7 V	e4			7.8 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.