company blog about ADI Analog Switch IC ADG849YKSZ Monolithic CMOS SPDT Switch

ADI Analog Switch IC ADG849YKSZ Monolithic CMOS SPDT Switch

Shenzhen Mingjiada Electronics Co., Ltd., as a globally renowned distributor of electronic components, stocks the ADI ADG849YKSZ analogue switch IC. This single-pole double-throw (SPDT) switch chip, utilising CMOS technology, features an exceptionally low on-resistance of 0.5 ohms and a broad operating voltage range from 1.8V to 5.5V. It is an ideal solution for applications including portable devices, communication networks, and audio-video signal routing.

【ADG849YKSZ Product Overview】

The ADG849YKSZ is an integrated CMOS single-pole double-throw (SPDT) switch operating within a +1.8V to 5.5V supply range. Its design delivers a typical on-resistance (Ron) of 0.5 Ω, making it an ideal solution for applications requiring minimal switching distortion. The device also features high current capability, with a typical rating of 600mA at 5V operation.

Each switch in the ADG849YKSZ exhibits equal bidirectional conductivity when in the on state. Employing an open-before-close switching mechanism, the device effectively prevents transient short circuits during channel switching.

Housed in a compact 6-pin SC70 package, the ADG849YKSZ is an ideal choice for space-constrained applications.

【ADG849YKSZ Specifications】

Package Type: SC-70-6

Number of Channels: 1 channel

Configuration: 1 x SPDT

On-Resistance - Maximum: 600 milliohms

Supply Voltage - Minimum: 1.8 V

Supply Voltage - Maximum: 5.5 V

Turn-on Time - Maximum: 15 ns

Turn-off Time - Maximum: 13 ns

Minimum Operating Temperature: -40 °C

Maximum Operating Temperature: +125 °C

Power Dissipation - Pd: 5.5 nW

【ADG849YKSZ Product Highlights】

1. Extremely low on-resistance, typical value 0.5 Ω

2. Ultra-compact 6-pin SC70 package

3. Low power consumption: CMOS architecture ensures minimal power draw

4. High current carrying capability

5. Low total harmonic distortion plus noise (THD+N), typical value 0.01%

【ADG849YKSZ Key Features】

Ultra-low on-resistance (typical 0.5Ω)

Superior audio performance with ultra-low distortion

High current capacity (typical 600mA at 5V)

Rail-to-rail operation

Typical power consumption below 0.1μW

Automotive-grade operating temperature range: -40°C to +125°C

【ADG849YKSZ Technical Specifications】

The ADG849YKSZ delivers an impressive array of technical specifications. Beyond the aforementioned low on-resistance and wide operating voltage range, it exhibits rapid switching performance: typical turn-on time (Ton) of 15ns and turn-off time (Toff) of 13ns.

The ADG849YKSZ employs a break-before-make switching mechanism, effectively preventing transient short circuits during channel switching and enhancing system reliability.

Capable of handling high switching currents, typically reaching 600mA at 5V operation, it accommodates not only small-signal but also higher-current applications.

The ADG849YKSZ operates over an extended temperature range (-40°C to +125°C), making it suitable for demanding environmental conditions. Its compact package dimensions (approximately 2 × 1.25 × 0.9 mm) fully meet the miniaturisation requirements of modern electronic products.

【ADG849YKSZ Application Scenarios】

The ADG849YKSZ series of analogue switches finds extensive application across diverse fields, spanning consumer electronics to industrial control.

Within consumer electronics, the ADG849YKSZ is frequently employed for audio switching, power management, and signal routing. Devices such as smartphones, tablets, and audio systems may utilise this chip to achieve rapid switching and selection between different signals. Particularly in audio equipment, its low distortion and high-fidelity signal transmission significantly enhance user experience.

Within industrial automation and control systems, the ADG849YKSZ facilitates remote control and signal acquisition functions. Its robust interference resistance and high reliability enable stable operation in demanding industrial environments, providing essential signal support for equipment.

In medical equipment, signal accuracy and reliability are paramount. For instance, within bio-information monitoring instruments, the ADG849YKSZ facilitates efficient sensor signal management, ensuring high-fidelity data transmission. Its low-power characteristics also render it suitable for portable medical device applications.