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ADG849YKSZ

SPDT analog switch, 0.5Ω RON, 1.8-5.5V, 200MHz, TSOT-23-6

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Manufacturer Part：

ADG849YKSZ

Package：

TSOT-23-6 (2.9×1.6×0.9 mm, 0.95mm pitch)

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Description

Product Overview

The ADG849YKSZ from Analog Devices is a low-voltage, single-pole/double-throw (SPDT) analog switch housed in a tiny 6-lead TSOT-23 package. With 0.5Ω on-resistance, 0.1Ω RON flatness, and 1.8V to 5.5V operation, it is designed for portable and battery-powered applications where low voltage, low on-resistance, and compact size are critical.

Key Specifications

Configuration SPDT (1 form C)
On-Resistance (RON) 0.5Ω typical @ 3.3V, 25°C
RON Flatness 0.1Ω typical across signal range
Supply Voltage 1.8V to 5.5V
Analog Signal Range 0V to VDD
Bandwidth (-3 dB) 200 MHz typical
Switching Time 20 ns (tON), 10 ns (tOFF)
Charge Injection 10 pC typical
Leakage Current 0.1 nA typical (off-state)
Operating Temperature -40°C to +85°C
Package TSOT-23-6 (2.9×1.6×0.9 mm)

Features

  • Ultra-low RON: 0.5Ω typical at 3.3V
  • Wide supply range: 1.8V to 5.5V single supply
  • Low RON flatness: 0.1Ω for minimal signal distortion
  • High bandwidth: 200 MHz for video and RF signals
  • Fast switching: 20 ns turn-on time
  • Low charge injection: 10 pC for minimal glitch
  • Tiny TSOT-23-6 package for space-constrained designs
  • Break-before-make switching

Applications

  • Audio and video signal routing in portable devices
  • Battery-powered instrumentation signal switching
  • Sensor multiplexing and signal conditioning
  • Power supply routing and load sharing
  • USB and data line switching

The ADG849YKSZ from Analog Devices is a single-pole/double-throw (SPDT) analog switch with ultra-low 0.5Ω on-resistance and 0.1Ω RON flatness, operating from 1.8V to 5.5V. With 200 MHz bandwidth, 20 ns switching time, and 10 pC charge injection in a tiny TSOT-23-6 package, it is ideal for audio/video routing, sensor multiplexing, and power routing in portable and battery-powered designs.

The ADG849YKSZ uses a T-switch architecture with N-channel and P-channel MOSFETs in parallel to achieve low and flat on-resistance across the full signal range. The IN control pin selects between the two switch paths: when IN is HIGH, the NC (normally closed) path connects to the common (D) terminal; when IN is LOW, the NO (normally open) path connects to D. Break-before-make switching prevents momentary shorting between the NC and NO terminals during transition. The low RON of 0.5Ω minimizes signal attenuation and power dissipation, while the 0.1Ω flatness ensures consistent signal integrity regardless of the instantaneous voltage level of the passing analog signal.

Pin Name Type Function
1 VDD Power Positive supply (1.8-5.5V)
2 IN Input Logic control input
3 NC I/O Normally closed terminal
4 GND Power Ground
5 D I/O Common terminal (switch output)
6 NO I/O Normally open terminal
  • Audio signal routing and source selection in portable media players
  • Video signal switching in handheld displays and cameras
  • Battery-powered instrumentation sensor multiplexing
  • Power supply routing and load sharing between sources
  • USB and data line switching in mobile devices
Manufacturer Part Number Package Notes
ADI ADG819YKSZ TSOT-23-6 NC/NO inverted logic, same performance
Toshiba TC7SBT3257CFL SVFNP-6 SPDT switch, similar specs
TI TS5A3159DCKR SC-70-6 SPDT, 1Ω RON, similar package
Nexperia NX3L1G3157GW SOT-363 Low RON SPDT, 1.65-5.5V
ON Semi NC7SB3157P6X SC-88-6 SPDT switch, 5.5Ω RON
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Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong, China
 

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