FEATURES

• Halogen-free according to IEC 61249-2-21

definition

• Wide operation voltage range: 1.6 V to 4.3 V

• Low 0.6 Ω (typical at 2.7 V) on-resistance

• Guaranteed logic high threshold:

Vth(high) = 1.2 V at V+ = 4.3 V

• - 82 dB crosstalk and - 76 dB off-isolation at 100 kHz

• 250 MHz, - 3 dB bandwidth

• 0.006 total harmonic distortion

• > 250 mA latch up current per JESD78

• > 8 kV ESD/HBM per MIL-STD 883 (method 3015)

• Compliant to RoHS directive 2002/95/EC

BENEFITS

• Ultra small miniQFN-8L package of 1.4 mm x 1.4 mm

x 0.55 mm

• High fidelity audio switch

• Reed relay replacement

• Low power consumption

APPLICATIONS

• Cellular phones

• GPS and portable media player

• Audio and video signal routing

• Modems

• Hard drives and computer peripherals

• Low voltage data-acquisition circuits

• Medical and test equipment

DESCRIPTION

The DG2727, DG2728, and DG2729 are 0.6 Ω dual SPST

analog switches. When Sx are used as signal input, these

devices support AC-coupled audio signals with single rail

power supply. Audio signals can swing below ground down

to V+ - 4.3 V.

Built on Vishay Siliconix’s sub-micro CMOS technology, the

DG2747/2748/2749 achieve 0.6 Ω on-resistance and 0.2 Ω

flatness at 2.7 V power supply. Its total harmonic distortion is

0.006 (frequency ranges 20 Hz to 20 kHz).

It achieves - 72 dB off-isolation and - 100 dB crosstalk at

100 kHz. Its - 3 dB bandwidth is up to 78 MHz.

Select pin of control logic can tolerate voltage above power

supply up to 4.3 V. It has guaranteed 1.2 V logic high for the

power supply 2.7 V to 4.3 V range. This makes it compatible

with many low voltage digital control circuits.

Combining wide operation voltage, low power, high speed,

low on-resistance and small physical size, the DG2747,

DG2748, DG2749 are ideal for portable and battery powered

applications requiring high performance and efficient use of

board space.

The DG2747, DG2748, DG2749 come in a small

miniQFN-8L package (1.4 mm x 1.4 mm x 0.55 mm) and

operate over - 40 °C to + 85 °C extended temperature range.