ATR2406-PNQW Microchip

ATR2406 Low-IF 2.4-GHz ISM Transceiver DATASHEET Features Fully integrated low IF receiver Fully integrated GFSK modulator for 72, 144, 288, 576 and 1152Kbits/s High sensitivity of typically 93dBm due to integrated LNA High output power of typically +4dBm Multi-channel operation 95 channels Support frequency hopping (ETSI) and digital modulation (FCC) Supply-voltage range 2.9V to 3.6V (unregulated) Auxiliary voltage regulator on chip (3.2V to 4.6V) Low current consumption Few low-cost external components Integrated ramp-signal generator and power control for an additional power amplifier Low profile lead-free plastic package QFN32 (5mm 5mm 0.9mm) RoHs compliant Applications High-tech multi-user toys Wireless game controllers Telemetry Wireless audio/video Electronic point of sales Wireless head set FCC CFR47, part 15, ETSI EN 300 328, EN 300 440 and ARIB STD-T-66 compliant radio links 4779Q-ISM-09/141. Description The Atmel ATR2406 is a single chip RF transceiver intended for applications in the 2.4GHz ISM band. The QFN32-packaged IC is a complete transceiver including image rejection mixer, low IF filter, FM demodulator, RSSI, TX preamplifier, power-ramping generator for external power amplifier, integrated synthesizer, and a fully integrated VCO and TX filter. No mechanical adjustment is necessary in production. The RF transceiver offers a clock recovery function on-chip. Figure 1-1. Block Diagram REG_DEC VREG REG_CTRL VS_REG IREF VS_SYN VCO AUX AUX VS_IFD VREG_VCO REG REG REG VS_IFA VS_RX/TX LIMITER DEMOD LNA IR-Mixer BP RSSI RX_IN RX_DATA RSSI PA VCO CLOCK Divider TX_OUT BUS DATA by 2 ENABLE TEST1 TEST2 PU_REG GAUSSIAN RAMP FILTER PU_TRX RAMP_OUT PLL CTRL GEN LOGIC RX_ON TX_ON nOLE CP REF_CLK TX_DATA VTUNE 2 ATR2406 [DATASHEET] 4779QISM09/14