Analog Angle Article

Vishay DG2735A and DG2725 dual SPDT switches, DG2599 DPDT switch

Vishay Intertechnology Inc. released three dual single pole double throw (SPDT) and dual double pole double throw (DPDT) CMOS low-voltage analog switches that combine low-voltage operation and low on-resistance in small miniQFN packages for audio, SIM card, and multi-purpose signal switching in space-constrained portable end products.

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, andfast turn-on time of 64 ns and turn-off time of 42 ns at 2.7 V, the DG2735A is well-suited 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 Vand 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.

Pricing : For U.S. delivery in 1,000-piece quantities is $0.27 per piece for the DG2725, $0.31 for the DG2735A, and $0.40 for the DG2599.

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

Datasheets : DG2599, DG2725, and DG2735A

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