TDK5101F データシートの表示（PDF） - Infineon Technologies

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TDK5101F

315 MHz ASK/FSK Transmitter in 10-pin Package

Infineon Technologies 

TDK5101F

Functional Description

Table 2

Pin Definition and Function1)

Pin Symbol Interface Schematic

No.

1

CLKOUT

VS

1

300 Ω

2

VS

3

GND

4

FSKOUT

VS

VS

200 µA

4

120 kΩ

200 kΩ

Function

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 615.2 kHz.

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.

General ground connection.

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.

Data Sheet

8

V 1.3, 2007-09-19

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