TDA7100 datasheet(8/41 Pages) INFINEON

부품명	TDA7100

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

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제조업체	INFINEON [Infineon Technologies AG]

홈페이지	http://www.infineon.com

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TDA7100

Functional Description

Data Sheet

8

V 1.0, 2007-05-02

Table 3

Pin Definition and Function1)

No.

Symbol

Interface Schematic

Function

1

CLKOUT

Clock output to supply an external

device.

An external pull-up resistor has to

be added in accordance to the

driving requirements of the

external device.

The clock frequency is 847.5 kHz.

2

VS

This pin is the positive supply of

the transmitter electronics.

An RF bypass capacitor should be

connected directly to this pin and

returned to GND (pin 3) as short

as possible.

3

GND

General ground connection.

4

FSKOUT

This pin is connected to a switch to

GND (pin 3).

The switch is closed when the

signal at FSKDTA (pin 7) is in a

logic low state.

The switch is open when the signal

at FSKDTA (pin 7) is in a logic high

state.

FSKOUT can switch an additional

capacitor to the reference crystal

network to pull the crystal

frequency by an amount resulting

in the desired FSK frequency shift

of the transmitter output

frequency.

1

300

Ω

V

S

V

S

200 µA

4

V

S

120 k

Ω

200 k

Ω

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유사한 설명 - TDA7100

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TDA7100 데이터시트(PDF) 8 Page - Infineon Technologies AG

TDA7100 데이터시트(HTML) 8 Page - Infineon Technologies AG

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