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Updated at 01/11/2025 10:30:15(UTC+8)

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Description

Description:
The TDA 7100 is a single chip ASK/FSK transmitttter operating in the 433 to 435MHMHz frequency band. The ICIC offers a high level of integration and needs only a few external components to build a complete transmitter. The device contains a fully integrated PLLLL synthesizer and a high efficiency power amplifier to drive the antenna. A special circuit design and a unique power amplifier contribute to low current consumption and to extended battery life.
Additional features are a power down mode and a clock output ( F ref ÷16 ) which could be used as CLCLK for a μC.
Summary of Features:
Fully integrated PLLLL frequency synthesizer
Fully integrated VCO (no need for external components)
ASK and FSK modulation
Frequency range 433 to 435MHMHz
High efficiency power amplifier (typically +5dBm output power by 3V supply voltage)
Low supply current
Voltage supply range 2.1 - 4V
Temperature range -20 to +70°C
Power down mode
Crystal oscillator in 13.5MHz band (F o = 32 x F ref )
Built-in low/high frequency switch for FSK Mode
Divided clock output for μC clocking (F ref ÷16)
Low external component count

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TDA7100 Specifications

Attribute	Attribute Value

Datasheet	Datasheet
3D Model	3D Model
Mounting Style	Surface Mount
Number of Pins	10 Pin
Case/Package	TSSOP-10
Frequency	433MHz ~ 435MHz
Supply Voltage (DC)	2.10V (min)
Number of Positions	10 Position
Data Rate	20.0 kbps
Bandwidth	435 MHz
Output Power	6.9 dBm
Operating Temperature (Max)	70 ℃
Operating Temperature (Min)	-20 ℃
Supply Voltage	2.1V ~ 4V
Supply Voltage (Max)	4 V
Supply Voltage (Min)	2.1 V
	Show
Size-Length	3 mm
Size-Width	3 mm
Size-Height	0.95 mm
Operating Temperature	-20℃ ~ 70℃
Product Lifecycle Status	Obsolete
Packaging	Cut Tape (CT)
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
REACH SVHC Compliance	No SVHC
REACH SVHC Compliance Edition	2015/12/17

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