Rainbow Electronics BTM -250 User Manual

®

Rayson’s Bluetooth

Module

BC03-mm Class1 Stereo Module BTM-240/250

Features Outline

 The module is a Max.18dBm( Class1 ) module.
 Bluetooth standard Ver. 2.0 conformity.

 Low current consumption
 3.0V or 1.8V operation
 Embedded Kalimba DSP Co-Processor
 Integrated 16-bit Stereo Audio CODEC
 Scatternet Support
 Interface: USB,UART&PCM(for voice CODEC)
 Support Digital Audio Bus : I
 Headset/Handsfree firmware is available
 A2DP/AVRCP profile support
 RoHS compliant
 Small outline. 16 x 14 x 2.0 mm

Applications

z Cellular Phone
z Cordless headset
z Echo Cancellation
z Stereo headphones
z Enhance Audio application
z Automotive Hands-free Kits
z High performance telephone headsets

2

S or SPDIF

General Electrical Specification

Absolute Maximum Ratings

Parameter Min. Max. Unit
Storage Temperature -40 +150 ℃
Supply Voltage(VDD 3.3V, BTM-240) -0.4 3.7 DCV
Supply Voltage(VDD 1.8V, BTM-250) -0.4 2.2 DCV
Supply Voltage(PA) -0.4 3.7 DCV
Other Pin Voltage Vss-0.4 VDD+0.4 DCV

Recommended Operating Conditions

Parameter Min. Max. Unit
Operating Temperature -20 +85 ℃
Supply Voltage(VDD 3.3V, BTM-240) 2.7 3.6 DCV
Supply Voltage(VDD 1.8V, BTM-250) 1.7 1.9 DCV
Supply Voltage(PA) 3.0 3.6 DCV

Block Diagram