PDF AMIS-52150 Data sheet ( Hoja de datos )

Número de pieza	AMIS-52150
Descripción	Low-power Transceiver Device
Fabricantes	ON Semiconductor
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No Preview Available ! AMIS-52150 Lowpower Transceiver with Clock and Data Recovery Introduction The AMIS−52150 is a cost-effective, ultra-low power single-chip wireless transceiver. It combines the proven Amplitude Shift Key/On-Off Key (ASK/OOK) modulation technology of the AMIS−52050 with data clock recovery. Based on key features, such as dual independent receive channels, Quick Start crystal oscillator, Sniff Mode signal acquisition, and data clock recovery, the AMIS−52150 is ideally suited for a wide range of applications, including point-to-point wireless data links, cost-optimized wireless monitor solutions, and very low power remote wireless sensors, among others. http://onsemi.com SSOP−20 CASE TBD Key Features  Data Clock Recovery  Auto Slicing of Data  Very Low-power Single-chip Transceiver  Minimal External Components  Low-power RC Oscillator  Quick Start Crystal Oscillator  Ultra-low Power RF Sniff Mode, with Wake-up on RSSI  Internal Trim Functions Reduce External Component Requirements  I2C Control Interface ORDERING INFORMATION See detailed ordering and shipping information in the package dimensions section on page 20 of this data sheet.  Serial TX/RX Data Port  Clock Generation for an External Microprocessor  Wake-up on RSSI  Antenna Diversity Dual Receiver  Internal VCO/PLL Tuning Varactor  Wake-up Interrupt to External Controller  These Devices are Pb-Free and are RoHS Compliant Technical Features  Operating Frequency Range:  Quick Start, from 350 MHz to 448 MHz  Non-quick Start, from 300 MHz to 768 MHz  TX Output Power: +12 dBm  RX Sensitivity:  Sniff Mode: −93 dBm Minimum  Receive: −117 dBm Minimum @ 1 kbps, with CDR  Data Rate:  1−8 kbps with Manchester Coding  1−16 kbps with NRZ Data  Power Requirements:  Receive: 7.5 mA (Continuous)  Transmit: 25 mA @ Full Power (50% Duty-cycle)  Sniff Mode: 75 mA (One Percent Duty-cycle)  Standby: 500 nA (RC Oscillator Running)  Operating Voltage: 2.3 V to 3.6 V  Modulation: ASK/OOK  Xtal Start Time: 15 ms (Quick Start)  Sniff Mode Polling: 0.5 ms to 16 s (0.5 ms or 64 ms Steps)  PLL Lock Time: < 50 ms  Selectable Data Filter: Up to 20 kHz  Internal Trim Functions:  TX Power (−3 to +12 dBm)  Antenna Impedance Matching (Two Independent Channels)  Xtal, for Frequency and Quick Start  RC Oscillator Frequency  Sniff Mode, for Data Threshold  Data slice  Clock and Data Recovery (Reduced Data Jitter)  I2C Interface: Control Bus  Serial Interface: Data Input/Output  Low Frequency IF  Internal IF Filtering  Package: 20-lead, 209 mm SSOP  Semiconductor Components Industries, LLC, 2013 July, 2013 − Rev. 8 1 Publication Order Number: AMIS−52150/D 1 page AMIS−52150 PIN DESCRIPTIONS RX1, Rx2, RF Input Pins RX1 and RX2 are the RF antenna inputs to the AMIS−52150. The internal circuit designs are identical between these inputs. For the AMIS−52150 receiver inputs, RX1 and RX2, external components are required in order to match the low noise amplifier (LNA) to external devices such as antennas. The external components must provide a DC voltage path to the RF ground. Figure 2 suggests an external circuit for the receiver inputs at 403 MHz. Each circuit’s input impedance can be trimmed internally to compensate for manufacturing and external component tolerances. The circuits employ an LNA, internal filters, a low frequency, intermediate frequency (IF), and a received signal strength indication (RSSI) circuit to recover the ASK/OOK modulated data. The signals in the two input channels are “summed” before the data recovery circuit. The functions of the receive circuits are controlled by writing to the registers shown in Table 5. Table 5. RECEIVER CONTROL REGISTER DESCRIPTION RX1 or RX2 Receiver Register Control Register (HEX) Name Bits States Comments 0x00 ANT1 Trim All Inverse Relationship Register Value to Internal Capacitance 0x01 0x0c ANT2 Trim ANT1 Enable All 0 Inverse Relationship Register Value to Internal Capacitance 0 Antenna Port is Off 1 Antenna Port is On ANT2 Enable 1 0 Antenna Port is Off 1 Antenna Port is On Figure 2. Typical Input Impedance Match to 50 W (402 MHz) VCO1, VCO2, Voltage Controlled Oscillator Pins The VCO1 and VCO2 pins connect a parallel combination of a capacitor and an inductor to the AMIS−52150 internal voltage controlled oscillator (VCO). The external LC (parallel inductor and capacitor) circuit sets the frequency of the internal VCO. The VCO frequency must be set to twice the value of the desired TX or RX frequency. Typical components for the tuning of the VCO at 402 MHz are shown in Figure 3. The range of the VCO frequency is from 600 MHz to 1536 MHz. The voltage on these pins can be used to determine proper operation of the PLL/VCO circuits. Figure 3. Typical Components for VCO Tuning at 402 MHz http://onsemi.com 5 5 Page AMIS−52150 Table 17. TRANSMITTER CONTROL REGISTERS TX/RX Definition Control Registers Register (HEX) Name Bits States 0x02 TX Power All 0x04 TX XTAL Trim All 0x0c TX Enable 4 0 Transmitter is Off 1 Transmitter is On 0x0f Data Filter 4, 5, 6 000 1.1 kHz 001 2.3 kHz 010 5.2 kHz 011 10.4 kHz 100 1.18 kHz 101 2.57 kHz 110 7.0 kHz 111 20.45 kHz 0x1e TX/RX Invert 5 0 Normal Levels 1 Inverted Comments Table 18. OUTPUT IMPEDANCE CHARACTERISTICS Specification Output Impedance Settings Conditions Resistance Capacitance Output Power RFPWR 0x00 RFPWR 0xff Harmonics Ext. Circuit Frequency Range Target Quick Start Full Range Modulation On/Off Ratio TX Output Min Typ Max − 22 − −3− − −26 − 11 12 13 − −35 − 402 − 405 350 − 448 300 − 768 ASK/OOK − 70 − Unit W pF dBm dBm MHz dBm Figure 7. Transmit Waveforms Sniff Mode Applications based on low power consumption require Sniff Mode operation of the AMIS−52150. This mode turns off the receiver and the crystal oscillator during programmable, regular time intervals. At the end of each time interval, the receiver wakes up and sniffs for the incoming RF energy. If energy is detected, the receiver transitions to the full receive mode and starts data recovery from the RF carrier. If energy is not detected, the receiver http://onsemi.com 11 11 Page

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