ST25R3917B前往购买
ST25R3917B产品参数_产品特性_原装原厂
IC先生 网络 46 2023-12-09 11:43:21
概述
ST25R3916B和ST25R3917B是高性能NFC通用器件，在适用的情况下支持NFC启动器、NFC目标器、NFC读写器和NFC卡仿真模式。
该NFC IC完全符合EMVCo 3.1a模拟和数字标准，针对POS终端应用进行了优化，即使在恶劣条件下，天线也能在嘈杂的LCD显示器周围实现快速的EMVCo认证周期。
ST25R3916B器件包括先进的模拟前端(AFE)和高度集成的数据帧系统，适用于ISO 18092无源和有源启动器，ISO 18092无源和有源目标，NFC-A/B (ISO 14443A/B)读取器，包括更高的比特率，NFC-F (FeliCa™)读取器，NFC-V (ISO 15693)读取器高达53 kbps，以及NFC-A/ NFC-F卡仿真。
使用AFE和分帧系统的特殊流和透明模式来实现阅读器或卡仿真模式下的其他自定义协议。
ST25R3916B和ST25R3917B具有高射频输出功率，可高效直接驱动天线。
ST25R3916B和ST25R3917B包括其他功能，使它们在低功耗应用中无与伦比。
ST25R3916B和ST25R3917B设计用于宽电源范围(-40°C至+105°C范围内的2.6至5.5 V， -20°C至+105°C范围内的2.4至5.5 V)和宽外设IO电压范围(1.65至5.5 V)。
由于这种高RF输出功率，低功率模式和宽供电范围的组合，这些器件非常适合基础设施NFC应用。
ST25R3917B符号图
ST25R3917B功能参数
- Operating modes
- Reader/writer
- Card emulation
- Active and passive peer to peer
- RF communication
- EMVCo® 3.1a analog and digital compliant
- NFC-A / ISO14443A up to 848 kbit/s
- NFC-B / ISO14443B up to 848 kbit/s
- NFC-F / FeliCa™ up to 424 kbit/s
- NFC-V / ISO15693 up to 53 kb/s
- NFC-A / ISO14443A (106 kbit/s) and NFC-F / FeliCa™ (212/424 kbit/s) card emulation
- Active and passive peer to peer initiator and target modes, up to 424 kbit/s
- Low level modes to implement MIFARE Classic® compliant or other custom protocols
- 主要特性
- Dynamic power output (DPO) controls the field strength to stay within given limits
- Active wave shaping (AWS) reduces over-and under-shoots
- Noise suppression receiver (NSR) allows reception in noisy environment
- Automatic antenna tuning (AAT) via variable capacitor
- Integrated EMVCo® 3.1a compliant EMD handling
- Automatic gain control and squelch feature to maximize SNR
- Low power NFC active and passive target modes
- Adjustable ASK modulation depth, from 0 to 82%
- Integrated regulators to boost system PSRR
- AM/PM and I/Q demodulator with baseband channel summation or automatic channel selection
- Possibility to drive two independent single ended antennas
- Measurement of antenna voltage amplitude and phase, RSSI, on-chip supply and regulated voltages
- External communication interfaces
- 512-byte FIFO
- Serial peripheral interface (SPI) up to 10 Mbit/s
- I2C with up to 400 kbit/s in Fast-mode, 1 Mbit/s in Fast-mode Plus, and 3.4 Mbit/s in High-speed mode
- Electrical characteristics
- Wide supply voltage and ambient temperature range (2.6 to 5.5 V from -40 °C to +105 °C, 2.4 to 5.5 V from -20 °C to +105 °C)
- Wide peripheral communication supply range, from 1.65 to 5.5 V
- Quartz oscillator capable of operating with 27.12 MHz crystal with fast start-up
ST25R3917B引脚图
ST25R3917B 3D图
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