MAX41470GTC+

MAX41470GTC+ is a high-performance, low-power receiver with an SPI interface that is ideal for amplitude shift-keyed (ASK) and frequency shift-keyed (FSK) data. It is capable of both ASK and FSK reception and is also fully programmable through an SPI interface. The receiver has excellent RF sensitivity and allows input signals up to 0dBm of power at the RF input. With an integrated IF filter, a few external components, and low operating/power-down currents, this device receiver is ideal for cost- and power-sensitive applications. This device operates in the 1.8V to 3.6V supply voltage range and also features a power-saving, fully programmable, self-polling (duty cycling) mode with preamble detection and interrupt output to wake up an external microcontroller unit (MCU). It is used in applications such as home automation and security, building access control, garage door openers (GDO), remote keyless entry (RKE), tire pressure monitoring systems (TPMS), and restaurant pagers.

• Single low-cost 16MHz external crystal, preamble detection with interrupt output
• Average current as low as 350μA, duty cycle less than 1% capable, fast startup time
• Automatic gain control (AGC) adjusted digital RSSI, automatic frequency control (AFC)
• Fast frequency switching frac-N synthesizer, 33dB calibrated image rejection
• Supply voltage range from 1.8V to 3.6V, supply current is 9mA typical
• Shutdown current is 10nA typical at (VDD = +3.0V, TA = +25°C)
• Sleep current is 1μA typical at (VDD = +3.0V, TA = +25°C)
• Maximum channel bandwidth is 300KHz typical at (-3dB bandwidth at 400KHz IF)
• Maximum data rate is 100Kbps typical at (manchester encoded)
• Operating temperature range from -40°C to +105°C, 12-pin TQFN package

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