Product Description
DESCRIPTION The DG469, DG470 are high voltage SPDT switches, with a typical on resistance of 3.6 Ω and typical flatness of 0.4 Ω. The DG469, DG470 are identical, except the DG470 provides an enable input. When the enable input is activated, both sides of the switch are in a high impedance mode (Off), maintaining a "Safe State" at power up. This function can also be used as a quick "disconnect" in the event of a fault condition. For audio switching, the enable pin provides a mute function. These are high voltage switches that are fully specified with dual supplies at ± 4.5 V and ± 15 V and a single supply of 12 V over an operating temperature range from - 40 °C to + 125 °C. Fast switching speeds coupled with high signal bandwidth makes these parts suitable for video switching applications. All digital inputs have 0.8 V and 2.4 V logic thresholds ensuring low voltage TTL/CMOS compatibility. Each switch conducts equally well in both directions when on and can handle an input signal range that extends to the supply voltage rails. They exhibit breakbefore-make switching action to prevent momentary shorting when switching between channels. The DG469, DG470 are offered in a MSOP 8 and SOIC 8 package
FEATURES • Low on resistance (3.6 Ω typical) • On resistance flatness (0.4 Ω typical) • 44 V supply maximum rating • ± 15 V analog signal range • Fully specified at supply voltages of ± 4.5 V, 12 V and ± 15 V • TTL/CMOS compatible • Break before make switching guaranteed • Total harmonic distortion 0.0145 % • Compliant to RoHS Directive 2002/95/EC APPLICATIONS • Audio and video signal switching • Precision automatic test equipment • Precision data acquisition • Relay replacement • Communications systems • Automotive applications • Sample and hold systems • Power routing applications • Telecom signal switching • Medical equipment • Portable and battery power systems
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