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DG2728 Datasheet(PDF) 1 Page - Vishay Siliconix |
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DG2728 Datasheet(HTML) 1 Page - Vishay Siliconix |
1 / 8 page Vishay Siliconix DG2727, DG2728, DG2729 Document Number: 69049 S09-0557-Rev. A, 13-Apr-09 www.vishay.com 1 0.65- Ω, Low Voltage, Negative Swing Capable, Dual SPST Analog Switch 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. 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 FUNCTIONAL BLOCK DIAGRAM AND PIN CONFIGURATION Pin 1 Device Marking: Gx for DG2727 x = Date/Lot Traceability Code Gx (Top View) DG2727 miniQFN-8L Top View 2 6 8 4 1 3 7 5 GND V+ IN1 IN2 D2 S1 D1 Pin 1 Device Marking: Lx for DG2729 x = Date/Lot Traceability Code Lx (Top View) DG2729 miniQFN-8L Top View 2 6 8 4 1 3 7 5 V+ GND Pin 1 Device Marking: Kx for DG2728 x = Date/Lot Traceability Code Kx (Top View) 2 6 8 4 1 3 7 5 GND V+ DG2728 miniQFN-8L Top View S2 IN1 IN2 D2 S1 D1 S2 IN1 IN2 D2 S1 D1 S2 |
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