SL900A-AQFM ams

SL900A EPC Class 3 Sensory Tag Chip - For Automatic Data Logging The SL900A is an EPC global Class 3 sensory tag chip optimized General Description for single-cell and dual-cell, battery-assisted smart labels with sensor functionality. The chip is ideal for applications using thin and flexible batteries but can also be powered from the RF field (electromagnetic waves from an RFID reader). The chip has a fully integrated temperature sensor with a typical nonlinearity of 0.5C over the specified temperature range. The external sensor interface provides a flexible way of adding additional sensors to the system and supports up to 2 external sensors. Ordering Information and Content Guide appear at end of datasheet. Key Benefits & Features The benefits and features of SL900A, EPC Class 3 Sensory Tag Chip - For Automatic Data Logging are listed below: Figure 1: Added Value of using SL900A Benefits Features Versatile temperature and data logging High Temperature Range: -40C to +125C Worldwide EPC compliant Frequency: 860 to 960 MHz Works fully passive or in BAP mode Battery supply: 1.5V or 3V Data logging from: Programmable logging modes with various sensors On-chip temperature sensor 2 external sensors Works with EPC readers EPC Class 1 and Class 3 Compliant Provides supply for external sensors Energy harvesting from reader field Autonomous data logging with timestamp Real-time clock for data logging Sensor alert function External sensor interrupt capability Supports fast communication via SPI Serial peripheral interface Storage for up to 841 events with timestamps On-chip 9k bit EEPROM Alert for shelf life expiration Integrated dynamic shelf life calculation Programmable sensor limits Advanced logging with 4 user-selectable limits ams Datasheet: 2014-May-06 v1-01 SL900A 1Package Options The available SL900A package options are: 16-pin QFN (5 x 5 mm) Tested wafer (8) Applications The SL900A device is ideal suited for: Monitoring and tracking of temperature-sensitive products Temperature monitoring of medical products Pharmaceutical logistics Monitoring of fragile goods transportation Dynamic Shelf Life applications RFID to SPI interface Block Diagram The functional blocks of this device for reference are shown below: Figure 2: SL900A Block Diagram V BAT EXT1 Power Temperature V DD 1.5V V Management Sensor SS EXT2 or 3V External Sensor V Battery Voltage Front-End POS EXC V V SSA REF 860 - 960 MHz Processing AFE ANT Digital Control EPC Gen2 MUX Class 3 D IN (cool-Log) SPI D OUT Port FIFO SCLK 10-Bit A/D (Slave) Converter SEN MEAS 1152 x 8 Bit Oscillator ANA TEST EEPROM with RTC SL900A DIGI TEST SL900A Block Diagram: Basic block diagram of SL900A SL900A 2 ams Datasheet: 2014-May-06 v1-01