BC6145A04-IQQB-R

BC6145A04-IQQB-R Datasheet


headset A2DP connection to 2 A2DP source devices for music playback<br>• Secure simple pairing, CSR's proximity pairing and CSR's proximity connection<br>• 64MIPS Kalimba DSP coprocessor<br>• Integrated linear and switch-mode regulators<br>• 150mA lithium battery charger, with fast charge and external boost charge for a total 240mA<br>• High-quality mono codec with 95dB SNR DAC<br>• 48-lead 7 x 7 x 0.9mm, 0.5mm pitch QFN, pin compatible with BC6140 QFN and BC6130 QFN<br>• Green RoHS compliant and no antimony or halogenated flame retardants

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BC6145A04-IQQB-R BC6145A04-IQQB-R BC6145A04-IQQB-R (pdf)
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• 6th generation 1-mic CVC audio enhancements
• HFP v1.6 and HSP v1.2.
• Wideband speech supports codec negotiation
and mSBC codec
• A2DP v1.2 for high-quality mono music streaming
• Programmable audio prompts available from
either EEPROM or a low-cost SPI flash
• Bidirectional noise reduction Hear and Be Heard
• Non-linear echo cancellation feature for low-cost
speakerphones and car-kits
• Low power consumption over 11 hours talk time
from a 120mAhr battery
• Advanced multipoint support enables a headset

HFP connection to 2 phones for voice
• Multipoint A2DP streaming enables a mono
headset A2DP connection to 2 A2DP source devices for music playback
• Secure simple pairing, CSR's proximity pairing and CSR's proximity connection
• 64MIPS Kalimba DSP coprocessor
• Integrated linear and switch-mode regulators
• 150mA lithium battery charger, with fast charge and external boost charge for a total 240mA
• High-quality mono codec with 95dB SNR DAC
• 48-lead 7 x 7 x 0.9mm, 0.5mm pitch QFN, pin compatible with BC6140 QFN and BC6130 QFN
• Green RoHS compliant and no antimony or halogenated flame retardants

BC6145 QFN is a low-cost fully-featured ROM IC solution for Bluetooth mono headsets with extremely low power consumption. The BC6145 QFN ensures increased speech clarity and improves intelligibility through spectral enhancement, with the bidirectional noise reduction Hear and Be Heard feature.

BC6145 QFN reduces the number of external components required, minimising production costs. It includes a Bluetooth radio, baseband, Kalimba DSP, DAC/ADC, switch-mode power supply and battery charger in a QFN package for low-cost designs.

The Kalimba DSP coprocessor supports enhanced audio applications. A2DP streaming enables music playback on a mono headset.

BC6145 QFN includes CVC single-microphone echo and noise reduction, which reduces headset echo enabling the headset-user to be heard more clearly. A low-power wind noise reduction feature improves intelligibility in windy environments.

Production Information Cambridge Silicon Radio Limited 2010-2011

BC6145 QFN
1-mic CVC Mono Headset Solution Advanced Echo and Noise Cancellation

Fully Qualified Single-chip v3.0 System

Production Information BC6145A04 Issue 4
• BC6145 QFN DSP mono headset solution
• Low-cost speakerphones and car-kits

BC6145 QFN supports secure simple pairing which simplifies the pairing process and makes it easier to use a Bluetooth headset.

The device includes auto-calibration and BIST routines to simplify development, type approval and production test. See CSR Glossary at

XTAL

I2C EEPROM

RF IN RF OUT

Speaker 1

UART
2.4GHz Radio

Kalimba DSP

Microphone 1

Battery

Charger

Flash

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BC6145 QFN Technical Overview

BC6145 QFN Technical Overview

Device Details

Radio

Kalimba DSP
• Common TX/RX terminal simplifies external matching eliminates external antenna switch
• Very low-power Kalimba DSP coprocessor, 64MIPS, 24bit fixed point core
• Bluetooth v3.0 specification compliant

Transmitter
• 8.5dBm RF transmit power with level control from on-chip 6-bit DAC over a dynamic range typically >30dB
1 Ordering Information

Device

BC6145 QFN DSP Mono Headset Solution

Type

QFN 48-lead Green

Package

Size
7 x 7 x 0.9mm, 0.5mm pitch

Shipment Method Tape and reel

Order Number

Note:

BC6145 QFN is a ROM-based device where the product code has the form BC6145Axx. Axx is the specific ROM-variant, A04 is the ROM-variant for BC6145 QFN DSP Mono Headset Solution.

Minimum order quantity is 2kpcs taped and reeled.

Supply chain CSR's manufacturing policy is to multisource volume products. For further details, contact your local sales account manager or representative.

To contact a CSR representative, email or go to
Development Kit Ordering Information

Description BC6145 QFN DSP Mono Headset Solution Development Kit

Order Number

BC6145 QFN Technical Overview

Production Information Cambridge Silicon Radio Limited 2010-2011

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Document History

Date 04 AUG 10 12 NOV 10
25 JAN 11
17 MAY 11

Change Reason

Original publication of this document.
Production Information added, ordering information and ROM code updated. Bidirectional noise reduction feature added and minor editorial changes.

Replaced incorrect reference to long-tail echo cancellation with correct reference to non-linear processing function. Update to copyright years and minor editorial changes.

HFP v1.6 and wideband speech feature added. Style updated. If you have any comments about this document, email giving the number, title and section with your feedback.

Trademarks, Patents and Licences

Unless otherwise stated, words and logos marked with or are trademarks registered or owned by CSR plc or its affiliates. Bluetooth and the Bluetooth logos are trademarks owned by Bluetooth SIG, Inc. and licensed to CSR. Other products, services and names used in this document may have been trademarked by their respective owners.

The publication of this information does not imply that any license is granted under any patent or other rights owned by CSR plc and/or its affiliates.

CSR reserves the right to make technical changes to its products as part of its development programme.

While every care has been taken to ensure the accuracy of the contents of this document, CSR cannot accept responsibility for any errors.

Refer to for compliance and conformance to standards information.

No statements or representations in this document are to be construed as advertising, marketing, or offering for sale in the United States imported covered products subject to the Cease and Desist Order issued by the U.S. International Trade Commission in its Investigation No. 337-TA-602. Such products include SiRFstarIII chips that operate with SiRF software that supports SiRFInstantFix , and/or servers, or contains SyncFreeNav functionality.

BC6145 QFN Technical Overview

Production Information Cambridge Silicon Radio Limited 2010-2011

Page 4 of 4 CS-204185-TOP4
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Datasheet ID: BC6145A04-IQQB-R 507265