A7121 Просмотр технического описания (PDF) - AMIC Technology

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A7121

2.4GHz GFSK Transceiver

AMIC Technology 

Preliminary

A7121

2.4GHz GFSK Transceiver

Typical Applications

Wireless digital audio

Wireless Mouse and Keyboard

2.4GHz ISM Band Communication System

General Description

A7121 is a monolithic CMOS integrated circuit for wireless

applications in 2.4GHz ISM band. The device is provided

in a 32-lead plastic QFN5X5 packaging and is designed as

Features

2400MHz~2484MHz worldwide license free frequency band

Up to 79 selectable channels

2.2 V – 2.8 V voltage supply

Programmable output power up to 0dBm

Channel switching time < 200us

1 or 3Mbps high speed data rate

-20 ºC to 85 ºC operating temperature

-87dBm sensitivity

Direct / FIFO mode operation

Modem interface for low speed, low cost microcontroller

Low IF architecture with few external components

Pin Configurations

Wireless game pad

Wireless toy

a complete GFSK transceiver up to 3Mbps data rate. The

chip features a fully programmable frequency synthesizer

with integrated VCO circuitry.

BP_ L I M2

1

BP_ L I M1

2

BP _ BPF

3

VDD_ A

4

RF I

5

RFO

6

VDD _ VCO

7

BP _ VCO

8

A7121

24

RX _CLK

23

RX_ SYN

22

CD_ TXEN

21

T RX D

20

TXD

19

F _ CLK

18

RESTEN

17

MS0

PRELIMINARY (Mar. 2005, Version 0.6)

QFN Package Top View

1

AMIC Technology, Corp.

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