EM250-RTR
Silicon LabsExtended
-40℃~+85℃ -99dBm 2.1V~3.6V 2.4GHz 2.4GHz~2.5GHz 250Kbps 36mA 36mA 5dBm 802.15.4 SPI、UART、I2C Supports software reset、Power-on Reset、Supports RSSI function、CRC check function、Automatic response function transceiver QFN-48(7x7) RF Transceiver ICs ROHS
- Part id
- silabs/EM250-RTR
- Category
- RF Transceiver ICs
- Package
- QFN-48(7x7)
- Pins
- 49
- In stock
- 0 at JLCPCB (C3606797)
Overview
The EM250-RTR is a RF Transceiver IC made by Silicon Labs in a QFN-48(7x7) package with 49 pins. -40℃~+85℃ -99dBm 2.1V~3.6V 2.4GHz 2.4GHz~2.5GHz 250Kbps 36mA 36mA 5dBm 802.15.4 SPI、UART、I2C Supports software reset、Power-on Reset、Supports RSSI function、CRC check function、Automatic response function transceiver QFN-48(7x7) RF Transceiver ICs ROHS.
PCBKit's library has its KiCad symbol (EasyEDA_Cloud:EM250-RTR, from EasyEDA) and its footprint (EasyEDA_Cloud:QFN-48_L7.0-W7.0-P0.50-BL-EP5.3, from EasyEDA), ready for a KiCad board. JLCPCB lists it (part C3606797).
Symbol
Footprint
Pinout
49| Pin | Name | Type |
|---|---|---|
| 1 | VDD_24MHZ | Unspecified |
| 2 | VDD_VCO | Unspecified |
| 3 | RF_P | Unspecified |
| 4 | RF_N | Unspecified |
| 5 | VDD_RF | Unspecified |
| 6 | RF_TX_ALT_P | Unspecified |
| 7 | RF_TX_ALT_N | Unspecified |
| 8 | VDD_IF | Unspecified |
| 9 | BIAS_R | Unspecified |
| 10 | VDD_PADSA | Unspecified |
| 11 | TX_ACTIVE | Unspecified |
| 12 | VDD_PADSA | Unspecified |
| 13 | nRESET | Unspecified |
| 14 | OSC32B | Unspecified |
| 15 | OSC32A | Unspecified |
| 16 | VREG_OUT | Unspecified |
| 17 | VDD_PADS | Unspecified |
| 18 | VDD_CORE | Unspecified |
| 19 | TMR2IA.1/MCLK/nCTS/GPOI11 | Unspecified |
| 20 | TMR2IB.1/nRTS/GPOI12 | Unspecified |
| 21 | TMR1IA.1/MOSI/GPIO0 | Unspecified |
| 22 | TMR2IA.2/SDA/MSIO/GPIO1 | Unspecified |
| 23 | VDD_PADS | Unspecified |
| 24 | TMR2BI.2/SCL/MSCLK/GPOI2 | Unspecified |
| 25 | GPIO3/nSSEL/TMR1IB.1 | Unspecified |
| 26 | GPIO4/ADC0/PTI_EN | Unspecified |
| 27 | GPIO5/ADC1/PTI_DATA | Unspecified |
| 28 | VDD_PADS | Unspecified |
| 29 | GPIO6/ADC2/TMR2CLK/TMR1ENMSK | Unspecified |
| 30 | GPIO7/ADC3 | Unspecified |
| 31 | GPIO8/VREF_OUT/TMR1CLK/TMR2ENMSK/IRQA | Unspecified |
| 32 | GPIO9/TXD/MO/MSDA/TMR1IA.2 | Unspecified |
| 33 | GPIO10/RXD/MI/MSCL/TMR1IB.2 | Unspecified |
| 34 | SIF_CLK | Unspecified |
| 35 | SIF_MISO | Unspecified |
| 36 | SIF_MOSI | Unspecified |
| 37 | nSIF_LOAD | Unspecified |
| 38 | GND | Unspecified |
| 39 | VDD_FLASH | Unspecified |
| 40 | GPOI16/TMR1OB/TMR2IB.3/IRQD | Unspecified |
| 41 | GPIO15/TMR1OA/TMR2IA.3/RIQC | Unspecified |
| 42 | GPIO14/TMR2OB/TMR1IB.3/IRQB | Unspecified |
| 43 | GPIO13/TMR2OA/TMR1AI.3 | Unspecified |
| 44 | VDD_CORE | Unspecified |
| 45 | VDD_PRE | Unspecified |
| 46 | VDD_SYNTH | Unspecified |
| 47 | OSCB | Unspecified |
| 48 | OSCA | Unspecified |
| 49 | EP | Unspecified |
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Questions
Is there a KiCad symbol and footprint for the EM250-RTR?
Yes. The symbol is EasyEDA_Cloud:EM250-RTR and the footprint EasyEDA_Cloud:QFN-48_L7.0-W7.0-P0.50-BL-EP5.3, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the EM250-RTR?
QFN-48(7x7), with 49 pins. Its footprint is drawn on this page.
Where can I order the EM250-RTR?
JLCPCB lists it as part C3606797, with 0 in stock; the sellers' links on this page open their listings.
What can replace the EM250-RTR?
Parts like it in the library: the EFR32FG12P431F1024GM48-C by Silicon Labs, the EFR32BG12P232F1024GM48-CR by Silicon Labs, the EFR32BG12P332F1024GM48-CR by Silicon Labs and the EFR32BG12P433F1024GM48-C by Silicon Labs. Check their datasheets: a part that fits the footprint may still differ in its ratings.