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Details for MICRF506YML by Microchip Technology
Electronic & Electrical Components > Semiconductors - ICs > RF
410/450MHZ ITRANSCEIVER SMD MLF32
MICRF506YML image

MICRF506YML by Microchip Technology

410/450MHZ ITRANSCEIVER SMD MLF32
Features
Baseband shaping
Digital bit synchronizer
Frequency error estimator
Power down function
RX and TX power management
Received signal strength indicator (RSSI)
Reference crystal tuning capabilities
Three-wire programmable serial interface
Part Information
MICRF506YML image
RoHS Compliant
Description
The MICRF506 is a true single-chip, frequency shift keying (FSK) transceiver intended for use in half-duplex, bidirectional RF links. The multi-channeled FSK transceiver is intended for UHF radio equipment in compliance with the European Telecommunication Standard Institute (ETSI) specification, EN300 220. The transmitter consists of a PLL frequency synthesizer and power amplifier. The frequency synthesizer consists of a voltage-controlled oscillator (VCO), a crystal oscillator, dual modulus prescaler, programmable frequency dividers, and a phase-detector. The loop-filter is external for flexibility and can be a simple passive circuit. The output power of the power amplifier can be programmed to seven levels. A lock-detect circuit detects when the PLL is in lock. In receive mode, the PLL synthesizer generates the local oscillator (LO) signal. The N, M, and A values that give the LO frequency are stored in the N0, M0, and A0 registers. The receiver is a zero intermediate frequency (IF) type which makes channel filtering possible with low-power, integrated low-pass filters. The receiver consists of a low noise amplifier (LNA) that drives a quadrature mix pair. The mixer outputs feed two identical signal channels in phase quadrature. Each channel includes a pre-amplifier, a third order Sallen-Key RC low-pass filter that protects the following switched-capacitor filter from strong adjacent channel signals, and a limiter. The main channel filter is a switched-capacitor implementation of a six-pole elliptic low pass filter. The cut-off frequency of the Sallen-Key RC filter can be programmed to four different frequencies: 100kHz, 150kHz, 230kHz, and 340kHz. The I and Q channel outputs are demodulated and produce a digital data output. The demodulator detects the relative phase of the I and the Q channel signal. If the I channel signal lags behind the Q channel, the FSK tone frequency is above the LO frequency (data '1'). If the I channel leads the Q channel, the FSK tone is below the LO frequency (data '0'). The output of the receiver is available on the DataIXO pin. A receive signal strength indicator (RSSI) circuit indicates the received signal level. All support documentation can be found on Micrel’s web site at www.micrel.com. RadioWire® Features - True single chip transceiver - Digital bit synchronizer - Received signal strength indicator (RSSI) - RX and TX power management - Power down function - Reference crystal tuning capabilities - Frequency error estimator - Baseband shaping - Three-wire programmable serial interface - Register read back function
Specifications
Frequency Min:
410MHz
Frequency Max:
450MHz
RF / IF Modulation:
FSK
Data Rate:
200Kbaud
Receiving Current:
12mA
RF IC Case Style:
MLF
No. of Pins:
32Pins
Supply Voltage Min:
2V
Supply Voltage Max:
2.5V
Transmitting Current:
21.5mA
Output Power (dBm):
11dBm
Sensitivity dBm:
-97dBm
RF Transceiver Applications:
Remote Control Systems Remote Metering Telemetry Wireless Controllers Modems & Security Systems
Operating Temperature Min:
-40°C
Operating Temperature Max:
85°C
Product Range:
-
RoHS Phthalates Compliant:
Yes
MSL:
-
SVHC:
No SVHC (15-Jan-2018)
3rd Order Intercept Point:
-8dBm
Base Number:
506
Frequency Range:
410MHz to 450MHz
Modulation Type:
FSK
Operating Temperature Range:
-40°C to +85°C
Output Power:
11dBm
Sensitivity:
-113dBm
Supply Voltage Range:
2V to 2.5V
Termination Type:
Surface Mount Device