Integrated Circuits

Discover a comprehensive selection of high-performance integrated circuits (ICs). Our offerings include microcontrollers, microprocessors, FPGAs, and more, designed to deliver exceptional functionality and reliability. Click one of the categories below to explore our IC solutions.

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About Integrated Circuits

Integrated circuits (ICs) are essential components in modern electronic devices, combining multiple electronic components onto a single semiconductor substrate. These miniature electronic circuits perform a variety of functions, from simple logic gates to complex microprocessors. ICs are known for their small size, efficiency, reliability, and versatility, making them indispensable in a wide range of applications.

What Are Integrated Circuits?

Integrated circuits are semiconductor devices that integrate multiple electronic components—including transistors, resistors, and capacitors—onto a single silicon chip to perform computing, control, or signal processing functions.

Engineers use integrated circuits to deliver compact processing power, control electronic systems, and support applications in consumer electronics, embedded computing, and industrial technology. Integrated circuits often rely on complimentary circuit protection devices to prevent damage from voltage spikes and overcurrent conditions. Explore Suntsu’s portfolio of integrated circuits to source reliable components for your next circuit board or system design.

Types of Integrated Circuits We Offer

Microcontrollers

Microcontrollers are compact integrated circuits that combine a processor core, memory, and input/output interfaces onto a single chip. These devices function as the control unit within embedded electronic systems, allowing engineers to program and manage hardware operations.

Microcontrollers are widely used in consumer electronics, industrial automation, and IoT devices, where efficient processing power and low power consumption are required. Their integrated architecture simplifies circuit board design while enabling flexible system control.

Microprocessors

Microprocessors serve as the central processing unit of computing systems, executing instructions and performing data processing tasks within electronic devices. These integrated circuits contain complex architectures with billions of transistors, enabling high computational performance.

Engineers integrate microprocessors into embedded computing systems, networking equipment, and industrial controllers where advanced processing capabilities are required for machine learning, automation, and data-driven applications.

Field Programmable Gate Arrays (FPGAs)

Field Programmable Gate Arrays (FPGAs) are configurable integrated circuits designed to be programmed after manufacturing. These devices allow engineers to customize digital logic functions by configuring programmable interconnect structures and logic blocks.

FPGAs are commonly used in communications infrastructure, test and measurement equipment, and advanced electronic systems where flexible hardware acceleration and parallel processing are required.

How to Choose the Right Integrated Circuits

Processing Requirements: Determine the level of processing power needed based on the system’s computing workload, control tasks, or signal processing demands.

Application-Specific Functionality: Some designs benefit from application-specific integrated circuits that optimize performance for targeted workloads such as networking, automation, or machine learning.

IC Package and Board Compatibility: Ensure the selected IC package fits the circuit board layout and aligns with manufacturing and thermal requirements.

Power Consumption and System Efficiency: Embedded devices and portable electronics often require integrated circuits designed for efficient power management.

System Architecture and Interconnect Needs: Evaluate how the IC will communicate with other components through memory, peripherals, and interconnect interfaces within the broader electronic system.

Total Products: 133,696

Image	Data Sheet	Part Number	Manufacturer	Description	Category	Device Package	Voltage	Operating Temp	Additional Specifications	Qty	Get A Quote
	N/A	STG3684ADTR	STMicroelectronics	IC SWITCH SPDT X 2 500MOHM 10DFN	Analog Switches, Multiplexers, Demultiplexers	10-DFN (2.3x2)	N/A	-40°C ~ 85°C (TA)	Switch Circuit: SPDT Multiplexer/Demultiplexer Circuit: 2:1 Number of Circuits: 2 On-State Resistance (Max): 500mOhm Channel-to-Channel Matching (ΔRon): 100mOhm Voltage – Supply, Single (V+): 1.65V ~ 4.3V Switch Time (Ton, Toff) (Max): 55ns, 30ns -3db Bandwidth: 55MHz Charge Injection: 49pC Channel Capacitance (CS(off), CD(off)): 5pF Current – Leakage (IS(off)) (Max): 20nA Crosstalk: -72dB @ 100kHz Operating Temperature: -40°C ~ 85°C (TA) Mounting Type: Surface Mount Package / Case: 10-UFDFN Exposed Pad Supplier Device Package: 10-DFN (2.3×2)	641	GET A QUOTE
N/A	N/A	STG3684AQTR	STMicroelectronics	IC SWITCH SPDT X 2 500MOHM 16QFN	Analog Switches, Multiplexers, Demultiplexers	16-QFN (3x3)	N/A	-40°C ~ 85°C (TA)	Switch Circuit: SPDT Multiplexer/Demultiplexer Circuit: 2:1 Number of Circuits: 2 On-State Resistance (Max): 500mOhm Channel-to-Channel Matching (ΔRon): 100mOhm Voltage – Supply, Single (V+): 1.65V ~ 4.3V Switch Time (Ton, Toff) (Max): 55ns, 30ns -3db Bandwidth: 55MHz Charge Injection: 49pC Channel Capacitance (CS(off), CD(off)): 5pF Current – Leakage (IS(off)) (Max): 20nA Crosstalk: -72dB @ 100kHz Operating Temperature: -40°C ~ 85°C (TA) Mounting Type: Surface Mount Package / Case: 16-VFQFN Exposed Pad Supplier Device Package: 16-QFN (3×3)	664	GET A QUOTE
	N/A	STG3684AUTR	STMicroelectronics	IC SWITCH SPDT X 2 500MOHM 10QFN	Analog Switches, Multiplexers, Demultiplexers	10-QFN (1.8x1.4)	N/A	-40°C ~ 85°C (TA)	Switch Circuit: SPDT Multiplexer/Demultiplexer Circuit: 2:1 Number of Circuits: 2 On-State Resistance (Max): 500mOhm Channel-to-Channel Matching (ΔRon): 100mOhm Voltage – Supply, Single (V+): 1.65V ~ 4.3V Switch Time (Ton, Toff) (Max): 55ns, 30ns -3db Bandwidth: 55MHz Charge Injection: 49pC Channel Capacitance (CS(off), CD(off)): 5pF Current – Leakage (IS(off)) (Max): 20nA Crosstalk: -72dB @ 100kHz Operating Temperature: -40°C ~ 85°C (TA) Mounting Type: Surface Mount Package / Case: 10-UFQFN Supplier Device Package: 10-QFN (1.8×1.4)	975	GET A QUOTE
		STG3684QTR	STMicroelectronics	IC SWITCH SPDT X 2 500MOHM 16QFN	Analog Switches, Multiplexers, Demultiplexers	16-QFN (3x3)	N/A	-40°C ~ 85°C (TA)	Switch Circuit: SPDT Multiplexer/Demultiplexer Circuit: 2:1 Number of Circuits: 2 On-State Resistance (Max): 500mOhm Channel-to-Channel Matching (ΔRon): 60mOhm Voltage – Supply, Single (V+): 1.65V ~ 4.3V Switch Time (Ton, Toff) (Max): 50ns, 30ns -3db Bandwidth: 50MHz Charge Injection: 35pC Channel Capacitance (CS(off), CD(off)): 5pF Current – Leakage (IS(off)) (Max): 10nA Crosstalk: -54dB @ 100kHz Operating Temperature: -40°C ~ 85°C (TA) Mounting Type: Surface Mount Package / Case: 16-VFQFN Exposed Pad Supplier Device Package: 16-QFN (3×3)	872	GET A QUOTE
N/A		STG3689DTR	STMicroelectronics	IC SWITCH SPDTX2 700MOHM 10TDFN	Analog Switches, Multiplexers, Demultiplexers	10-TDFN (2.5x1.4)	N/A	-55°C ~ 125°C (TA)	Switch Circuit: SPDT Multiplexer/Demultiplexer Circuit: 2:1 Number of Circuits: 2 On-State Resistance (Max): 700mOhm Channel-to-Channel Matching (ΔRon): 600mOhm Voltage – Supply, Single (V+): 1.65V ~ 4.3V Switch Time (Ton, Toff) (Max): 50ns, 30ns -3db Bandwidth: 85MHz Charge Injection: 44pC Channel Capacitance (CS(off), CD(off)): 7pF Current – Leakage (IS(off)) (Max): 10nA Crosstalk: -76dB @ 100kHz Operating Temperature: -55°C ~ 125°C (TA) Mounting Type: Surface Mount Package / Case: 10-UFDFN Supplier Device Package: 10-TDFN (2.5×1.4)	901	GET A QUOTE
		STG3690QTR	STMicroelectronics	IC SWITCH SPDT X 4 1.5OHM 16QFN	Analog Switches, Multiplexers, Demultiplexers	16-QFN (3x3)	N/A	-55°C ~ 125°C (TA)	Switch Circuit: SPDT Multiplexer/Demultiplexer Circuit: 2:1 Number of Circuits: 4 On-State Resistance (Max): 1.5Ohm Channel-to-Channel Matching (ΔRon): 60mOhm Voltage – Supply, Single (V+): 1.65V ~ 3.6V Switch Time (Ton, Toff) (Max): 50ns, 30ns -3db Bandwidth: 50MHz Charge Injection: 35pC Channel Capacitance (CS(off), CD(off)): 5pF Current – Leakage (IS(off)) (Max): 10nA Crosstalk: -54dB @ 100kHz Operating Temperature: -55°C ~ 125°C (TA) Mounting Type: Surface Mount Package / Case: 16-VFQFN Exposed Pad Supplier Device Package: 16-QFN (3×3)	893	GET A QUOTE
		STG3692QTR	STMicroelectronics	IC SWITCH SPDT X 4 5.2OHM 16QFN	Analog Switches, Multiplexers, Demultiplexers	16-QFN (2.6x1.8)	N/A	-55°C ~ 125°C (TA)	Switch Circuit: SPDT Multiplexer/Demultiplexer Circuit: 2:1 Number of Circuits: 4 On-State Resistance (Max): 5.2Ohm Channel-to-Channel Matching (ΔRon): 300mOhm Voltage – Supply, Single (V+): 1.65V ~ 4.3V Switch Time (Ton, Toff) (Max): 15ns, 13ns -3db Bandwidth: 800MHz Charge Injection: 5pC Channel Capacitance (CS(off), CD(off)): 5pF Current – Leakage (IS(off)) (Max): 20nA Crosstalk: -78dB @ 1MHz Operating Temperature: -55°C ~ 125°C (TA) Mounting Type: Surface Mount Package / Case: 16-UFQFN Exposed Pad Supplier Device Package: 16-QFN (2.6×1.8)	259	GET A QUOTE
		STG3693QTR	STMicroelectronics	IC SWITCH SPDT X 4 5.2OHM 16QFN	Analog Switches, Multiplexers, Demultiplexers	16-QFN (2.6x1.8)	N/A	-55°C ~ 125°C (TA)	Switch Circuit: SPDT Multiplexer/Demultiplexer Circuit: 2:1 Number of Circuits: 4 On-State Resistance (Max): 5.2Ohm Channel-to-Channel Matching (ΔRon): 300mOhm Voltage – Supply, Single (V+): 1.65V ~ 4.3V Switch Time (Ton, Toff) (Max): 15ns, 5ns -3db Bandwidth: 800MHz Charge Injection: 5pC Channel Capacitance (CS(off), CD(off)): 5pF Current – Leakage (IS(off)) (Max): 20nA Crosstalk: -78dB @ 1MHz Operating Temperature: -55°C ~ 125°C (TA) Mounting Type: Surface Mount Package / Case: 16-UFQFN Exposed Pad Supplier Device Package: 16-QFN (2.6×1.8)	1,542	GET A QUOTE
N/A	N/A	STG3699ADWF	STMicroelectronics	IC SWITCH SPDT X 4 450MOHM	Analog Switches, Multiplexers, Demultiplexers	-	N/A	-55°C ~ 125°C (TA)	Switch Circuit: SPDT Multiplexer/Demultiplexer Circuit: 2:1 Number of Circuits: 4 On-State Resistance (Max): 450mOhm Channel-to-Channel Matching (ΔRon): 60mOhm Voltage – Supply, Single (V+): 1.65V ~ 4.3V Switch Time (Ton, Toff) (Max): 55ns, 30ns -3db Bandwidth: 50MHz Charge Injection: 35pC Channel Capacitance (CS(off), CD(off)): 5pF Current – Leakage (IS(off)) (Max): 20nA Crosstalk: -54dB @ 100kHz Operating Temperature: -55°C ~ 125°C (TA)	647	GET A QUOTE
		STG3699AQTR	STMicroelectronics	IC SWITCH SPDT X 4 450MOHM 16QFN	Analog Switches, Multiplexers, Demultiplexers	16-QFN (3x3)	N/A	-55°C ~ 125°C (TA)	Switch Circuit: SPDT Multiplexer/Demultiplexer Circuit: 2:1 Number of Circuits: 4 On-State Resistance (Max): 450mOhm Channel-to-Channel Matching (ΔRon): 60mOhm Voltage – Supply, Single (V+): 1.65V ~ 4.3V Switch Time (Ton, Toff) (Max): 55ns, 30ns -3db Bandwidth: 50MHz Charge Injection: 35pC Channel Capacitance (CS(off), CD(off)): 5pF Current – Leakage (IS(off)) (Max): 20nA Crosstalk: -54dB @ 100kHz Operating Temperature: -55°C ~ 125°C (TA) Mounting Type: Surface Mount Package / Case: 16-VFQFN Exposed Pad Supplier Device Package: 16-QFN (3×3)	1,832	GET A QUOTE
		STG3699AUTR	STMicroelectronics	IC SWITCH SPDT X 4 450MOHM 16QFN	Analog Switches, Multiplexers, Demultiplexers	16-QFN (2.5x2.5)	N/A	-55°C ~ 125°C (TA)	Switch Circuit: SPDT Multiplexer/Demultiplexer Circuit: 2:1 Number of Circuits: 4 On-State Resistance (Max): 450mOhm Channel-to-Channel Matching (ΔRon): 60mOhm Voltage – Supply, Single (V+): 1.65V ~ 4.3V Switch Time (Ton, Toff) (Max): 55ns, 30ns -3db Bandwidth: 50MHz Charge Injection: 35pC Channel Capacitance (CS(off), CD(off)): 5pF Current – Leakage (IS(off)) (Max): 20nA Crosstalk: -54dB @ 100kHz Operating Temperature: -55°C ~ 125°C (TA) Mounting Type: Surface Mount Package / Case: 16-UFQFN Exposed Pad Supplier Device Package: 16-QFN (2.5×2.5)	1,777	GET A QUOTE
		STG3699BVTR	STMicroelectronics	IC SWITCH SPDT X 4 500MOHM 16QFN	Analog Switches, Multiplexers, Demultiplexers	16-QFN (2.6x1.8)	N/A	-55°C ~ 125°C (TA)	Switch Circuit: SPDT Multiplexer/Demultiplexer Circuit: 2:1 Number of Circuits: 4 On-State Resistance (Max): 500mOhm Channel-to-Channel Matching (ΔRon): 150mOhm Voltage – Supply, Single (V+): 1.65V ~ 4.3V Switch Time (Ton, Toff) (Max): 55ns, 30ns -3db Bandwidth: 40MHz Charge Injection: 57pC Channel Capacitance (CS(off), CD(off)): 5pF Current – Leakage (IS(off)) (Max): 20nA Crosstalk: -72dB @ 100kHz Operating Temperature: -55°C ~ 125°C (TA) Mounting Type: Surface Mount Package / Case: 16-UFQFN Supplier Device Package: 16-QFN (2.6×1.8)	1,295	GET A QUOTE
		STG3699QTR	STMicroelectronics	IC SWITCH SPDT X 4 500MOHM 16QFN	Analog Switches, Multiplexers, Demultiplexers	16-QFN (3x3)	N/A	-55°C ~ 125°C (TA)	Switch Circuit: SPDT Multiplexer/Demultiplexer Circuit: 2:1 Number of Circuits: 4 On-State Resistance (Max): 500mOhm Channel-to-Channel Matching (ΔRon): 60mOhm Voltage – Supply, Single (V+): 1.65V ~ 4.3V Switch Time (Ton, Toff) (Max): 50ns, 30ns -3db Bandwidth: 50MHz Charge Injection: 35pC Channel Capacitance (CS(off), CD(off)): 5pF Current – Leakage (IS(off)) (Max): 10nA Crosstalk: -54dB @ 100kHz Operating Temperature: -55°C ~ 125°C (TA) Mounting Type: Surface Mount Package / Case: 16-VFQFN Exposed Pad Supplier Device Package: 16-QFN (3×3)	1,829	GET A QUOTE
		STG3820BJR	STMicroelectronics	IC SW DPDTX4 5.8OHM FLIPCHIP 30	Analog Switches, Multiplexers, Demultiplexers	FlipChip 30	N/A	-40°C ~ 85°C (TA)	Switch Circuit: DPDT Multiplexer/Demultiplexer Circuit: 2:2 Number of Circuits: 4 On-State Resistance (Max): 5.8Ohm Channel-to-Channel Matching (ΔRon): 300mOhm Voltage – Supply, Single (V+): 1.65V ~ 4.3V Switch Time (Ton, Toff) (Max): 15ns, 13ns -3db Bandwidth: 800MHz Charge Injection: 6.4pC Channel Capacitance (CS(off), CD(off)): 2pF Current – Leakage (IS(off)) (Max): 20nA Crosstalk: -78dB @ 1MHz Operating Temperature: -40°C ~ 85°C (TA) Mounting Type: Surface Mount Package / Case: 30-WFBGA, FCBGA Supplier Device Package: FlipChip 30	1,553	GET A QUOTE
		STG3856QTR	STMicroelectronics	IC SWITCH SP3T X 2 1OHM 12QFN	Analog Switches, Multiplexers, Demultiplexers	12-QFN (2.2x1.4)	N/A	-55°C ~ 125°C (TA)	Switch Circuit: SP3T Multiplexer/Demultiplexer Circuit: 3:1 Number of Circuits: 2 On-State Resistance (Max): 1Ohm Channel-to-Channel Matching (ΔRon): 10mOhm Voltage – Supply, Single (V+): 1.65V ~ 4.3V Switch Time (Ton, Toff) (Max): 40ns, 20ns -3db Bandwidth: 100MHz Charge Injection: 55pC Channel Capacitance (CS(off), CD(off)): 5pF Current – Leakage (IS(off)) (Max): 20nA Crosstalk: -84dB @ 100kHz Operating Temperature: -55°C ~ 125°C (TA) Mounting Type: Surface Mount Package / Case: 12-UFQFN Supplier Device Package: 12-QFN (2.2×1.4)	366	GET A QUOTE
		STG4158BJR	STMicroelectronics	IC SW SPDTX1 600MOHM 6FLIPCHIP	Analog Switches, Multiplexers, Demultiplexers	6-FlipChip (1.23x0.83)	N/A	-40°C ~ 85°C (TA)	Switch Circuit: SPDT Multiplexer/Demultiplexer Circuit: 2:1 Number of Circuits: 1 On-State Resistance (Max): 600mOhm (Typ) Channel-to-Channel Matching (ΔRon): 10mOhm Voltage – Supply, Single (V+): 1.65V ~ 4.5V Switch Time (Ton, Toff) (Max): 28ns, 13ns -3db Bandwidth: 40MHz Charge Injection: 230pC Channel Capacitance (CS(off), CD(off)): 30pF Current – Leakage (IS(off)) (Max): 30nA Crosstalk: -61dB @ 1MHz Operating Temperature: -40°C ~ 85°C (TA) Mounting Type: Surface Mount Package / Case: 6-WFBGA, FCBGA Supplier Device Package: 6-FlipChip (1.23×0.83)	1,294	GET A QUOTE
		STG4159BJR	STMicroelectronics	IC SW SPDTX1 300MOHM 7FLIPCHIP	Analog Switches, Multiplexers, Demultiplexers	7-FlipChip	N/A	-40°C ~ 85°C (TA)	Switch Circuit: SPDT Multiplexer/Demultiplexer Circuit: 2:1 Number of Circuits: 1 On-State Resistance (Max): 300mOhm Channel-to-Channel Matching (ΔRon): 3mOhm Voltage – Supply, Single (V+): 1.65V ~ 4.8V Switch Time (Ton, Toff) (Max): 38ns, 17ns -3db Bandwidth: 28MHz Charge Injection: 140pC Channel Capacitance (CS(off), CD(off)): 30pF Current – Leakage (IS(off)) (Max): 30nA Crosstalk: -69dB @ 100kHz Operating Temperature: -40°C ~ 85°C (TA) Mounting Type: Surface Mount Package / Case: 7-WFBGA, FCBGA Supplier Device Package: 7-FlipChip	739	GET A QUOTE
		STG4160BJR	STMicroelectronics	IC SW SPDTX1 500MOHM 8FLIPCHIP	Analog Switches, Multiplexers, Demultiplexers	8-FlipChip	N/A	-40°C ~ 85°C (TA)	Switch Circuit: SPDT Multiplexer/Demultiplexer Circuit: 2:1 Number of Circuits: 1 On-State Resistance (Max): 500mOhm Channel-to-Channel Matching (ΔRon): 10mOhm Voltage – Supply, Single (V+): 1.65V ~ 4.8V Switch Time (Ton, Toff) (Max): 38ns, 38ns -3db Bandwidth: 50MHz Charge Injection: 162pC Channel Capacitance (CS(off), CD(off)): 30pF Current – Leakage (IS(off)) (Max): 30nA Crosstalk: -67dB @ 1MHz Operating Temperature: -40°C ~ 85°C (TA) Mounting Type: Surface Mount Package / Case: 8-UFBGA, FCBGA Supplier Device Package: 8-FlipChip	312	GET A QUOTE
		STG4210QTR	STMicroelectronics	IC SWITCH SPST-NOX2 1.3OHM 10QFN	Analog Switches, Multiplexers, Demultiplexers	10-QFN (1.8x1.4)	N/A	-40°C ~ 85°C (TA)	Switch Circuit: SPST – NO Multiplexer/Demultiplexer Circuit: 1:1 Number of Circuits: 2 On-State Resistance (Max): 1.3Ohm Channel-to-Channel Matching (ΔRon): 10mOhm Voltage – Supply, Single (V+): 1.65V ~ 4.3V Switch Time (Ton, Toff) (Max): 55ns, 30ns -3db Bandwidth: 58MHz Charge Injection: 49pC Channel Capacitance (CS(off), CD(off)): 85pF Current – Leakage (IS(off)) (Max): 100nA Crosstalk: -72dB @ 100kHz Operating Temperature: -40°C ~ 85°C (TA) Mounting Type: Surface Mount Package / Case: 10-UFQFN Supplier Device Package: 10-QFN (1.8×1.4)	495	GET A QUOTE
N/A		STG4259BJR	STMicroelectronics	IC SW SPDTX2 300MOHM 11FLIPCHIP	Analog Switches, Multiplexers, Demultiplexers	11-FlipChip	N/A	-40°C ~ 85°C (TA)	Switch Circuit: SPDT Multiplexer/Demultiplexer Circuit: 2:1 Number of Circuits: 2 On-State Resistance (Max): 300mOhm Channel-to-Channel Matching (ΔRon): 3mOhm Voltage – Supply, Single (V+): 1.65V ~ 4.8V Switch Time (Ton, Toff) (Max): 38ns, 17ns -3db Bandwidth: 40MHz Charge Injection: 103pC Channel Capacitance (CS(off), CD(off)): 30pF Current – Leakage (IS(off)) (Max): 20nA Crosstalk: -93dB @ 100kHz Operating Temperature: -40°C ~ 85°C (TA) Mounting Type: Surface Mount Package / Case: 11-WFBGA, FCBGA Supplier Device Package: 11-FlipChip	528	GET A QUOTE