BLUENRG-248

BLUENRG-248

BLUENRG-234 Active

Bluetooth® low energy wireless system-on-chip
Quantity $ per Unit Savings
1 - 9$2.980%
10 - 99$2.5315%
100 - 249$2.0830%
250 - 499$1.8638%
500$1.8039%
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In stock:
$2.98
Parameter NameParameter Value
Operating Temp Min Celsius-40.0
Operating Temp Max Celsius105.0
Operating Voltage Min Volt1.7
Operating Voltage Max Volt3.6
ECCN US5A992C
ECCN EUNEC
Packing TypeTape And Reel
ROHS Compliance GradeN/A
GradeIndustrial
Package NameWLCSP MSL1
Key features
  • Bluetooth Low Energy system-on-chip Bluetooth v5.2 certified, supporting:
    • Master, slave and multiple simultaneous roles
    • LE Privacy 1.2 and LE secure connection
    • LE data packet length extension
  • Operating supply voltage: from 1.7 to 3.6 V
  • Integrated linear regulator and DC-DC step-down converter
  • Operating temperature range: -40 °C to 105 °C
  • High performance, ultra-low power Cortex-M0 32-bit based architecture core
  • Programmable 256 kB Flash
  • 24 kB RAM with retention (two 12 kB banks)
  • 1 x UART interface
  • 1 x SPI interface
  • 2 x I²C interface
  • 14,15 or 26 GPIOs
  • 2 x multifunction timer
  • 10-bit ADC
  • Watchdog and RTC
  • DMA controller
  • PDM stream processor
  • 16 or 32 MHz crystal oscillator
  • 32 kHz crystal oscillator
  • 32 kHz ring oscillator
  • Battery voltage and temperature sensors
  • Up to +8 dBm available output power (at antenna connector)
  • Excellent RF link budget (up to 96 dB)
  • Accurate RSSI to allow power control
  • 8.3 mA TX current (@ -2 dBm, 3.0 V)
  • Down to 1 µA current consumption with active BLE stack (sleep mode)
  • ST companion integrated balun/filter chips are available
  • Average advertisement current consumption 15.34 μA (advertisement interval 1000 ms) – 1 year, 8 months, 19 days with 230 mAh battery (CR2032)
  • Average connection current consumption 7.059 μA (connection interval 1000 ms) – 3 years, 10 months, 12 days with 230 mAh battery (CR2032)
  • Suitable for building applications compliant with the following radio frequency regulations: ETSI EN 300 328, EN 300 440, FCC CFR47 Part 15, ARIB STD-T66
  • Pre-programmed bootloader via UART
  • QFN32, QFN48 and WCSP34 package options
Associated Products