A7121 Datasheet, PDF (1/2 Pages) AMIC Technology – 2.4GHz GFSK Transceiver

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.