TDA7110F datasheet(11/36 Pages) INFINEON

Part #	TDA7110F

Description	434 MHz ASK/FSK Transmitter in 10-pin Package

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Manufacturer	INFINEON [Infineon Technologies AG]

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Data Sheet

11

V 1.0, 2009-02-26

TDA7110F

Functional Description

1) Indicated voltages and currents apply for PLL Enable Mode and Transmit Mode.

In Power Down Mode, the values are zero or high-ohmic.

8

PAGND

Ground connection of the power

amplifier.

The RF ground return path of the

power amplifier output PAOUT

(pin 9) has to be concentrated to

this pin.

9

PAOUT

RF output pin of the transmitter.

A DC path to the positive supply

VS has to be supplied by the

antenna matching network.

10

PDWN

Disable pin for the complete

transmitter circuit.

A logic low (PDWN < 0.7 V) turns

off all transmitter functions.

A logic high (PDWN > 1.5 V) gives

access to all transmitter functions.

PDWN input will be pulled up by

40 µA internally by either setting

FSKDTA or ASKDTA to a logic

high-state.

No.

Symbol

Interface Schematic

Function

9

8

10

V

S

150 k

Ω

5 k

Ω

250 k

Ω

"ON"

40

μA ∗ (ASKDTA+FSKDTA)

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