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ADG849YKSZ

SPDT analog switch, 0.5Ω RON, 400mA, SC70-6, 1.8-5.5V

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Pieza del fabricante：

ADG849YKSZ

Paquete：

SC70-6 / SOT-363 (2.0×1.25×0.9 mm, 0.65mm pitch)

Marca：
Categorías de productos：
Compromiso de calidad
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Descripción

Productos

The ADG849YKSZ from Analog Devices is a 3V/5V CMOS SPDT (single-pole, double-throw) analog switch in a tiny SC70-6 package. With ultra-low 0.5 Ω typical on-resistance, 0.13 Ω RON flatness, and 400 mA continuous current capability, it provides minimal signal distortion for audio routing, battery-powered systems, and relay replacement. Break-before-make switching prevents momentary shorting.

Especificaciones

Switch Configuration SPDT (2:1 Mux/Demux)
On-Resistance (RON) 0.5 Ω typical, 0.8 Ω max @ 5V
RON Flatness 0.13 Ω typical, 0.24 Ω max
Continuous Current 400 mA
Peak Current 600 mA @ 5V
Tensión de alimentación 1.8V to 5.5V single supply
Bandwidth (-3 dB) 38 MHz typical
Charge Injection 50 pC typical
Off-Leakage 10 pA typical
Crosstalk -64 dB @ 100 kHz
Switching Time 22 ns on, 18 ns off max @ 3.6V
Supply Current 1 nA typical
Temperatura de funcionamiento -40°C to +125°C
Paquete SC70-6 (2.0×1.25×0.9 mm)

Características

  • Ultra-low on-resistance: 0.5 Ω typical for minimal signal loss
  • Excellent RON flatness: 0.13 Ω typical for low distortion
  • High current capability: 400 mA continuous, 600 mA peak
  • Rail-to-rail signal handling
  • Break-before-make switching action
  • Ultra-low power: <0.01 µW typical
  • TTL/CMOS compatible control input
  • Pin-compatible upgrade for ADG749 and ADG779

Aplicaciones

  • Audio and video signal routing
  • Battery-powered portable devices
  • Cellular phone and PDA signal switching
  • Relay replacement in compact designs
  • Modem and PCMCIA card signal paths

The ADG849YKSZ from Analog Devices is a CMOS SPDT analog switch with ultra-low 0.5 Ω on-resistance and 0.13 Ω flatness in a tiny SC70-6 package. Carrying 400 mA continuous current with break-before-make switching, it provides minimal distortion for audio routing, battery-powered systems, relay replacement, and portable device signal switching from 1.8V to 5.5V.

The ADG849YKSZ uses a CMOS transmission gate architecture with parallel N-channel and P-channel MOSFETs to achieve low and flat on-resistance across the rail-to-rail signal range. The N-channel MOSFET provides low resistance for signals near VDD, while the P-channel provides low resistance for signals near GND; together they achieve 0.5 Ω typical RON with 0.13 Ω flatness. The break-before-make circuitry ensures that the normally-open and normally-closed paths are never simultaneously connected, preventing signal shorts during switching transitions. The TTL/CMOS compatible IN control pin selects between the two switch paths. Charge injection (50 pC) is minimized through balanced switch sizing. The ultra-low 1 nA supply current makes it ideal for battery-powered applications where quiescent power must be minimized.

Pin Nombre Tipo Función
1 VDD Potencia Positive supply (1.8V-5.5V)
2 GND Potencia Suelo
3 EN Entrada Switch control (TTL/CMOS compatible)
4 D E/S Common terminal (drain)
5 S1 E/S Normally-closed terminal (S1)
6 S2 E/S Normally-open terminal (S2)
  • Audio signal routing: headphone/speaker multiplexing in portable devices
  • Battery-powered instrumentation: sensor channel selection
  • Cellular phone and PDA RF/audio path switching
  • Relay replacement: solid-state switching with no contact bounce
  • Modem, PCMCIA card, and hard drive signal path selection
Fabricante Número de pieza Paquete Notas
ADI ADG749YKSZ SC70-6 Previous generation, pin-compatible
ADI ADG779YKSZ SC70-6 Previous generation, pin-compatible
TI TS5A3159DCKR SC70-6 1Ω RON, similar SPDT function
Vishay DG9415EWE SC70-6 0.8Ω RON, SPDT switch
ON Semi NC7SB3157P6X SC70-6 1.8Ω RON, low cost alternative
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