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ZHX2022MV040THTR Datasheet(PDF) 5 Page - Zilog, Inc. |
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ZHX2022MV040THTR Datasheet(HTML) 5 Page - Zilog, Inc. |
5 / 26 page ZHX2022 FIR Transceiver PS021802-1005 1 Description Whether you need to mount the IrDA transceiver so that its communication is par- allel or perpendicular to the plane of the PCB, the ZiLOG ZHX2022 is the solution for applications in portable products, such as USB Adapters, notebook PCs, print- ers, mobile phones, digital cameras, handheld devices, or personal data assis- tants (PDAs). Designed to support all IrDA data rates up to 4 Mbits/second as well as LocalTalk™ and Sharp ASK™ modes, the transceiver combines an infrared emitting diode (IRED) emitter, a PIN photodiode detector, an IRED driver, and an integrated AGC (Automatic Gain Control) and amplification receive circuit in a sin- gle, miniature package. The ZiLOG ZHX2022 provides an efficient implementation of the IrDA-Data 1.4 standard in a small footprint format. Application circuit space is also minimized, as only three external components (current-limiting resistor, terminating resistor, and a decoupling capacitor) are required to implement a complete IrDA transceiver solution. The ZHX2022 is capable of both mode select and legacy-mode bandwidth switching. Features • Supply voltage 2.7 V to 5.5 V, operating idle current (receive mode) < 3 mA, shutdown current < 5 µA over full temperature range • Surface mount package, top and side view, 9.7 mm x 4.7 mm x 4.0 mm • Operating temperature: –30 °C to 85 °C • Storage temperature: –40 °C to 85 °C • Transmitter wavelength typically 886 nm, supporting IrDA® and Remote Control • Tri-state-receiver output, floating in shut down with a weak pull-up • Eye safety class 1 (IEC60825-1, ed. 2001), limited LED on-time, LED current is controlled, no single fault to be considered |
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