Details

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BUY SI4435DDY-T1-E3 https://www.utsource.net/itm/p/5134101.html
MOSFET P-CH 30V 11.4A 8SOIC

Parameter	Description	Value/Range
Part Number	Full part number of the device	SI4435DDY-T1-E3
Package Type	Type of package	TSSOP-20
Operating Voltage	Supply voltage range	1.9V to 3.6V
Operating Temperature	Temperature range for operation	-40°C to +85°C
Frequency Range	Frequency band supported by the device	137 MHz to 525 MHz
Modulation Schemes	Types of modulation supported	FSK, GFSK, MSK, OOK
Output Power	Maximum output power	+13 dBm
Sensitivity	Receiver sensitivity	-121 dBm (at 10 kbps, FSK)
Data Rate	Maximum data rate supported	Up to 300 kbps
Supply Current	Typical supply current consumption	24 mA (transmitting at +13 dBm), 16 mA (receiving)
Standby Current	Current consumption in standby mode	< 1 μA
Interface	Communication interface type	SPI
Crystal Accuracy	Required crystal accuracy	±10 ppm
Pin Count	Number of pins	20

Instructions for Use:

1. Power Supply: Ensure the supply voltage is within the specified range of 1.9V to 3.6V. Use a stable power source to avoid fluctuations.
2. Antenna Connection: Connect an appropriate antenna tuned to the operating frequency range of 137 MHz to 525 MHz.
3. Crystal Oscillator: Connect an external crystal with an accuracy of ±10 ppm for accurate frequency generation.
4. SPI Interface Setup: Configure the SPI interface settings as per the datasheet specifications. Ensure correct pin connections for MOSI, MISO, SCK, and CS.
5. Configuration Registers: Initialize the configuration registers using the SPI interface. Refer to the datasheet for register addresses and bit definitions.
6. Transmit Mode: To transmit, configure the required parameters such as frequency, data rate, and modulation scheme, then send data via the SPI interface.
7. Receive Mode: For receiving, set up the receiver parameters and enable the receiver. Data can be read from the receive buffer via SPI.
8. Low Power Modes: Utilize standby modes to reduce power consumption when not actively transmitting or receiving.
9. Testing and Debugging: Use diagnostic tools and commands provided in the datasheet to test functionality and troubleshoot issues.

For detailed setup and advanced configurations, refer to the full datasheet and application notes provided by the manufacturer.

(For reference only)