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EM357-IRT on a board, in 3D

EM357-IRT

Silicon Labs

-102dBm -40℃~+85℃ 2.1V~3.6V 2.4GHz 2.4GHz~2.5GHz 21.5mA 22mA 250Kbps 802.15.4 8dBm Power-on Reset、Supports RSSI function、CRC check function、Automatic response function、Automatic retransmission function SPI、UART、I2C、JTAG transceiver QFN-48(7x7) RF Transceiver ICs ROHS

Extended
DatasheetJLCPCBLCSCsilabs/EM357-IRT
Category
RF Transceiver ICs
Package
QFN-48(7x7)
Pins
49

Overview

The EM357-IRT is a RF Transceiver IC made by Silicon Labs in a QFN-48(7x7) package with 49 pins. -102dBm -40℃~+85℃ 2.1V~3.6V 2.4GHz 2.4GHz~2.5GHz 21.5mA 22mA 250Kbps 802.15.4 8dBm Power-on Reset、Supports RSSI function、CRC check function、Automatic response function、Automatic retransmission function SPI、UART、I2C、JTAG transceiver QFN-48(7x7) RF Transceiver ICs ROHS.

PCBKit's library has its KiCad symbol (EasyEDA_Cloud:EM357-IRT, 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 C5689010).

Symbol

GND49OSCA48OSCB47VDD_SYNTH46VDD_PRE45VDD_CORE44PB543PB642PB741PC040VDD_MEM39PC138VDD_PADS37PB036PC435PC334PC233SWCLK，JTCK32PB231PB130PA629VDD_PADS28PA527PA426PA325PA224VDD_PADS23PA122PA021PB420PB319PA718VDD_CORE17VDD_PADS16VREG_OUT15PC714PC613nRESET12PC511VDD_PADSA10NC9VDD_IF8RF_TX_ALT_N7RF_TX_ALT_P6VDD_RF5RF_N4RF_P3VDD_VCO2VDD_24MHZ1
EasyEDA_Cloud:EM357-IRTFrom EasyEDA

Footprint

49
EasyEDA_Cloud:QFN-48_L7.0-W7.0-P0.50-BL-EP5.3From EasyEDA

Parameters

13
Applications
802.15.4
Current Of Transmitting
21.5mA
Data Rate
250Kbps
Features
CRC check function；Supports RSSI function；Power-on Reset；Automatic retransmission function；Automatic response function
Frequency Range
2.4GHz~2.5GHz
Interface
I2C；JTAG；UART；SPI
Operating Temperature
-40℃~+85℃
Output Power
8dBm
Receive Current
22mA
Sensitivity
-102dBm
Type
transceiver
Typical Application Frequency
2.4GHz
Voltage - Supply
2.1V~3.6V

Order codes

1

Pinout

49
The pins of the EM357-IRT
PinNameType
1VDD_24MHZUnspecified
2VDD_VCOUnspecified
3RF_PUnspecified
4RF_NUnspecified
5VDD_RFUnspecified
6RF_TX_ALT_PUnspecified
7RF_TX_ALT_NUnspecified
8VDD_IFUnspecified
9NCUnspecified
10VDD_PADSAUnspecified
11PC5Unspecified
12nRESETUnspecified
13PC6Unspecified
14PC7Unspecified
15VREG_OUTUnspecified
16VDD_PADSUnspecified
17VDD_COREUnspecified
18PA7Unspecified
19PB3Unspecified
20PB4Unspecified
21PA0Unspecified
22PA1Unspecified
23VDD_PADSUnspecified
24PA2Unspecified
25PA3Unspecified
26PA4Unspecified
27PA5Unspecified
28VDD_PADSUnspecified
29PA6Unspecified
30PB1Unspecified
31PB2Unspecified
32SWCLK，JTCKUnspecified
33PC2Unspecified
34PC3Unspecified
35PC4Unspecified
36PB0Unspecified
37VDD_PADSUnspecified
38PC1Unspecified
39VDD_MEMUnspecified
40PC0Unspecified
41PB7Unspecified
42PB6Unspecified
43PB5Unspecified
44VDD_COREUnspecified
45VDD_PREUnspecified
46VDD_SYNTHUnspecified
47OSCBUnspecified
48OSCAUnspecified
49GNDUnspecified

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Questions

Is there a KiCad symbol and footprint for the EM357-IRT?

Yes. The symbol is EasyEDA_Cloud:EM357-IRT 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 EM357-IRT?

QFN-48(7x7), with 49 pins. Its footprint is drawn on this page.

Where is the EM357-IRT datasheet?

Silicon Labs publishes it: the Datasheet link on this page opens it.

Where can I order the EM357-IRT?

JLCPCB lists it as part C5689010, with 0 in stock; the sellers' links on this page open their listings.

What can replace the EM357-IRT?

Parts like it in the library: the EFR32FG12P231F1024GM48-C by Silicon Labs, the EFR32MG12P232F1024GM48-C by Silicon Labs, the EFR32BG12P232F1024GM48-B by Silicon Labs and the EFR32BG12P433F1024GM48-B by Silicon Labs. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Parts like it

8