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Space-saving low-voltage analog switches feature low on-resistance down to 0.6-ohms maximum at 2.7- V

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By eeNews Europe

The DG2735A and DG2725 are dual SPDT switches in the miniQFN10 package, designed for an operating range of 1.65 V to 4.3 V. With its guaranteed low 0.6 Ω maximum on-resistance at 2.7 V, and fast turn-on time of 64 ns, and turn-off time of 42 ns at 2.7 V, the DG2735A is ideal for audio output switching in receivers and speakers. The DG2725 offers typical on-resistance of 0.7 Ω at 3 V, while providing lower parasitic capacitance.

The DG2599 has an operation voltage range of 1.65 V to 5 V and can be used as a quad SPDT or dual DPDT switch. The device features the miniQFN16 package, on-resistance of 2.8 Ω typical at 3 V, and −3dB bandwidth to 186 MHz. Both the DG2725 and DG2599 feature power off protection that guarantees <1 µA COM1 and COM2 leakage, when V+ = 0 V and VCOM1 or VCOM2 = 4.3 V.

The new DG2735A, DG2725, and DG2599 analog switches are intended for use in consumer, computer, and communication products, including cell phones, PMPs and PDAs, modems and peripherals, computers, eBooks, and tablet products. Guaranteed compatible with 1.65 V logic, they are easily interfaced with low-voltage DSP or MCU control logic, making them well-suited for direct power from a one-cell Li-ion battery.

The devices released feature latch-up protection greater than 300 mA as tested per JESD78, thanks to Vishay’s sub-micron CMOS low-voltage process technology. They conduct signals within power rails equally well in both directions when on, and block signals up to the power supply level when off, with guaranteed break-before-make switching operation.

As a committed partner to the community and the environment, Vishay Siliconix manufactures these analog switches with lead (Pb)-free device terminations. The devices’ miniQFN packages have nickel-palladium-gold device terminations which meet all JEDEC standards for reflow and MSL ratings. The switches are halogen-free according to the IEC 61249-2-21 definition and compliant to RoHS directive 2002/95/EC.

Samples and production quantities of the new analog switches are available now, with lead time of 10 weeks.

Visit Vishay Intertechnology at www.vishay.com.


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