PT4316

ANGUS ELECTRONICS CO., LTD Tel: (852) 2345 0540 Fax: (852) 2345 9948 Web Site: www.angus.com.hk PT4316 Low Power 315/433MHz OOK/ASK Superheterodyne Receiver with SAW-based Oscillator DESCRIPTION The PT4316 is a very low power consumption single chip OOK/ASK superheterodyne receiver for the 315 MHz and 434 MHz frequency bands, which offers a high level of integration and requires few external components. The PT4316 consists of a low-noise amplifier (LNA), mixer, SAW-based local oscillator, on-chip Sallen-Key low-pass filter, intermediate frequency (IF) limiting amplifier stage with received-signal-strength indicator (RSSI), and analog baseband data recovery circuitry (data filter, peak detector, and data slicer). The PT4316 also implements a discrete one-step automatic gain control (AGC) that reduces the LNA gain by 20 dB when the RF input signal is greater than -60 dBm. The PT4316 is available in a 16-pin SOP or SSOP package. Both versions are specified over the extended temperature range (-40℃ to +85℃). FEATURES Low current consumption (4.2 mA at VDD = 3.0 V) 2.4 V to 3.6 V supply voltage operation range Optimized for 315 MHz or 434 MHz ISM Band Saw-based oscillator with low frequency drift High dynamic range with on-chip AGC Power down mode with very low supply current (< 1 µA) Low external parts count Available in 16-pin SOP or SSOP package APPLICATIONS Keyless entry systems Remote control systems Garage door openers Alarm systems Security s...