Rainbow Electronics BTM -35х User Manual

®

Rayson Bluetooth

Module

BC03/04-audio Class2 Module BTM-350

Features Outline

 The module is a Max.4dBm( Class2 ) module.
 Bluetooth standard Ver. 2.0 conformity.

 Low current consumption :

Park, Sniff, Hold and Deep Sleep

 2.2v to 3.6V operation
 Built-in 15-bit Linear Audio Codec

Embedded 6Mbit Flash/ROM Memory



Integrated 32Kbits EEPROM



Integrated Switch-mode Regulator



Integrated Battery Charger with programmable current


 Interface: USB,UART&PCM(for voice CODEC)
 HCI or Headset,Gateway,SPP firmware is available
 Small outline. 16.5 x 13 x 2.2 mm

Applications

z Notebook PC,PDA
z Cellular Phone

z Cordless headset
z Domestic and industrial applications
z Headsets
z Automotive hands-free kits
z General purpose Bluetooth system requiring an

On-chip CODEC

Electrical Characteristics

Absolute Maximum Ratings

Ratings Min. Max.
Storage Temperature
Supply Voltage VDD -0.4 V 3.7 V

Recommended Operating Condition

Operating Condition Min. Max.
Operating Temperature range
Supply Voltage VDD 3.0 V 3.6 V

Power Consumption: VDD=1.8V Temperature=+20℃ Output power=+4dBm

Mode Average Unit
SCO connection HV3（no sniff mode）(slave)
SCO connection HV1 (master) (slave) 37.6 mA
ACL data transfer 921kpbs UART (slave) 30.9 mA
Standby mode (connected to host, no RF activity) 0.10 mA

-40 ℃ +150 ℃

-20 ℃ +85 ℃

24.2 mA

Parked slave, 1.28s beacon interval, 38.4kbps UART 0.28 mA
Reset(RESETB low) 57 uA

CODEC

Microphone input and ADC 0.85 mA
DAC and loudspeaker driver, no signal 1.4 mA

Block Diagram

Radio Characteristics：VDD=1.8V Temperature=+20℃

Transmitter Performance
Parameter Min. Type Max. Bluetooth Spec. Unit

RF transmit power - 2 - -6 to +4 dBm
RF power control range - 35 ­RF power range control resolution - 0.5 -
20dB bandwidth for modulated carrier - 820 ­Initial carrier frequency tolerance - 3.0 -

Drift Rate - 8.0 -

Carrier frequency

drift

DH1 - 8.0 ­DH3 - 9.0 -

≥16

≤1000

±75
±20
±24
±40

KHz
KHz

KHz/50uS

KHz
KHz

Adjacent

characteristic

Modulation

characteristic

DH5 - 10 ­+/- 2 MHz - -45 ­+/- 3 MHz - -48 ­+/- 4MHz -

△F1avg
△F2avg

△F1avg/△F1avg

- 165 -

- 151 - 115 KHz

- 0.99 -

＜-50

­140≤△F1avg≤175

±40
≤- 20
≤- 40
≤- 40

≥0.8

KHz
dBm
dBm
dBm

KHz