MAX7030 19-3706 Rev 4 6/12 Low-Cost, 315MHz and 433.92MHz ASK Transceiver with Fractional-N PLL General Description Features The MAX7030 crystal-based, fractional-N transceiver is +2.1V to +3.6V or +4.5V to +5.5V Single-Supply designed to transmit and receive ASK/OOK data at fac- Operation tory-preset carrier frequencies of 315MHz or Single-Crystal Transceiver 433.92MHz with data rates up to 33kbps (Manchester encoded) or 66kbps (NRZ encoded). This device gen- Factory-Preset Frequency (No Serial Interface erates a typical output power of +10dBm into a 50 Required) load and exhibits typical sensitivity of -114dBm. The ASK/OOK Modulation MAX7030 features separate transmit and receive pins (PAOUT and LNAIN) and provides an internal RF switch +10dBm Output Power into 50 Load that can be used to connect the transmit and receive Integrated TX/RX Switch pins to a common antenna. Integrated Transmit and Receive PLL, VCO, and The MAX7030 transmit frequency is generated by a 16- bit, fractional-N, phase-locked loop (PLL), while the Loop Filter receivers local oscillator (LO) is generated by an inte- > 45dB Image Rejection ger-N PLL. This hybrid architecture eliminates the need for separate transmit and receive crystal reference Typical RF Sensitivity*: -114dBm oscillators because the fractional-N PLL is preset to be Selectable IF Bandwidth with External Filter 10.7MHz above the receive LO. Retaining the fixed-N < 12.5mA Transmit-Mode Current PLL for the receiver avoids the higher current-drain requirements of a fractional-N PLL and keeps the < 6.7mA Receive-Mode Current receiver current drain as low as possible. All frequency- < 800nA Shutdown Current generation components are integrated on-chip, and only a crystal, a 10.7MHz IF filter, and a few discrete Fast-On Startup Feature, < 250s components are required to implement a complete Small, 32-Pin, Thin QFN Package antenna/digital data solution. The MAX7030 is available in a small, 5mm x 5mm, 32- *0.2% BER, 4kbps Manchester-encoded data, 280kHz IF BW pin thin QFN package, and is specified to operate over the automotive -40C to +125C temperature range. Ordering Information Applications 2-Way Remote Keyless Entry PART TEMP RANGE PIN-PACKAGE MAX7030 ATJ+ -40C to +125C 32 Thin QFN-EP** Security Systems +Denotes a lead(Pb)-free/RoHS-compliant package. Home Automation **EP = Exposed pad. Note: The MAX7030 is available with factory-preset operating Remote Controls frequencies. See the Product Selector Guide for complete part Remote Sensing numbers. Smoke Alarms Garage Door Openers Product Selector Guide Local Telemetry Systems PART CARRIER FREQUENCY (MHz) MAX7030LATJ+ 315 Pin Configuration, Typical Application Circuit, and MAX7030HATJ+ 433.92 Functional Diagram appear at end of data sheet. For pricing, delivery, and ordering information, please contact Maxim Direct 1 at 1-888-629-4642, or visit Maxims website at www.maxim-ic.com.Low-Cost, 315MHz and 433.92MHz ASK Transceiver with Fractional-N PLL ABSOLUTE MAXIMUM RATINGS HVIN to GND .........................................................-0.3V to +6.0V Continuous Power Dissipation (T = +70C) A PAVDD, AVDD, DVDD to GND..............................-0.3V to +4.0V 32-Pin Thin QFN (derate 21.3mW/C ENABLE, T/R, DATA, AGC0, AGC1, above +70C).............................................................1702mW AGC2 to GND.......................................-0.3V to (V + 0.3V) Operating Temperature Range .........................-40C to +125C HVIN All Other Pins to GND .............................-0.3V to (V + 0.3V) Storage Temperature Range .............................-65C to +150C VDD Lead Temperature (soldering, 10s) .................................+300C Soldering Temperature (reflow) .......................................+260C Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. DC ELECTRICAL CHARACTERISTICS (Typical Application Circuit, 50 system impedance, V = V = V = V = +2.1V to +3.6V, f = 315MHz or 433.92MHz, AVDD DVDD HVIN PAVDD RF T = -40C to +125C, unless otherwise noted. Typical values are at V = V = V = V = +2.7V, A AVDD DVDD HVIN PAVDD T = +25C, unless otherwise noted.) (Note 1) A PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS HVIN, PAVDD, AVDD, and DVDD Supply Voltage (3V Mode) V 2.1 2.7 3.6 V DD connected to power supply PAVDD, AVDD, and DVDD unconnected Supply Voltage (5V Mode) HVIN 4.5 5.0 5.5 V from HVIN, but connected together Transmit mode, PA off, f = 315MHz 3.5 5.4 RF V at 0% duty DATA f = 434MHz 4.3 6.7 cycle (Note 2) RF Transmit mode, V DATA f = 315MHz 7.6 12.3 RF at 50% duty cycle f = 434MHz 8.4 13.6 (Notes 3, 4) RF mA Transmit mode, V DATA f = 315MHz 11.6 19.1 RF at 100% duty cycle f = 434MHz 12.4 20.4 (Note 2) RF Receiver 315MHz 6.1 7.9 Supply Current I DD Receiver 434MHz 6.4 8.3 T < +85C, A Deep-sleep typ at +25C 0.8 8.8 (3V mode) (Note 4) A Deep-sleep 2.4 10.9 (5V mode) Receiver 315MHz 6.4 8.2 mA Receiver 434MHz 6.7 8.4 T < +125C, A Deep-sleep typ at +125C 8.0 34.2 (3V mode) (Note 2) A Deep-sleep 14.9 39.3 (5V mode) Voltage Regulator V V = 5V, I = 15mA 3.0 V REG HVIN LOAD DIGITAL I/O 0.9 x Input-High Threshold V (Note 2) V IH V HVIN 0.1 x Input-Low Threshold V (Note 2) V IL V HVIN 2 MAX7030