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ZL38005 PRODUCT PROFILE
Dedicated Voice Processor with Dual Narrow Band Codecs
Product Status: Production
- Overview
- Technical Documents
- Tools & Software
- Applications
- Packaging & availability
- Support
- Where to Buy
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The ZL38005 is a hardware platform designed to support advanced acoustic echo canceller and noise reduction with the ZLS38501 firmware pack for hands-free car applications. |
Simplified Block Diagram
Features & Benefits
- Zarlink voice processor with hardware accelerator
- On-board memory
- Dual ## ADCs with input buffer gain selection programmable to 8 kHz sampling
- Dual ## DACs with output sampling of 8 kHz
- Dual function Inter-IC Sound (I2S) or Secondary TDM port
- Primary PCM port supports TDM (ST BUS, GCI or McBSP framing) or SSI modes at bit rates of 128, 256, 512, 1024, 2048, 4096, 8192 or 16384 Kb/sec
- Separate slave (microcontroller) and master (Flash) SPI ports, maximum clock rate = 25 MHz
- 5 General Purpose Input/Output (GPIO) pins General purpose UART port
- Bootloadable for future Zarlink software upgrades
- External oscillator or crystal/ceramic resonator
- 1.2 V Core; 3.3 V IO with 5 V-tolerant inputs
Firmware Overview
ZLS38501 - Firmware for Hands-free Application
- Selectable Acoustic and Line Echo Cancellers (AEC & LEC) with acoustic Noise Reduction
- Programmable echo tail cancellation length from 8 to 256 ms
- Noise Reduction - up to 20 dB for white noise
- Non-linear Echo Controller
- No divergence due to double-talk (patented Adaption Control)
- Superior voice quality with patented Non-Linear Processor (NLP)
- Patented Narrow-band signal divergence protection
- Patented Anti-howling - prevents oscillation in echo canceller audio path
- Speaker path AGC (Rout)
- DTMF Tone generation
Documentation
Design Manuals
Software Manuals
- speakerphone-secure-tuning-guide-feb2009.pdfPlease login to access protected documents.
- zls38501-full-firmware-manual-may2008.pdfPlease login to access protected documents.
Application Notes
Product Previews
Downloads, Firmware and Drivers
- BSDL Files:
- zl38005qc.bsd
- zl38005gg.bsd
- IBIS Models:
- zl38005qcg1.ibs
- zl38005ggg2.ibs
Evaluation Boards
- zle38004-customer-cd-may09.zipPlease login to access protected documents.
- zle38450-customer-cd-may09.zipPlease login to access protected documents.
- zle38460-customer-cd-may09.zipPlease login to access protected documents.
Reference Designs
Software URLs
Typical Applications
- Hands-free car kits
- Full duplex speaker-phone for digital telephone
- Echo cancellation for video conferences
- Intercom Systems
- Security Systems
Product Packaging & Availability
| Part Number |
Package Type |
Pin Count |
Lead-Free Option |
Shipping Option(s) |
Lead Time(wks) |
Status |
|---|---|---|---|---|---|---|
| ZL38005GGG2 | FBGA | 96 | Pb-free-Tin/Silver/Copper | Trays. Bake & Drypack | 8-10 weeks | Production |
| ZL38005QCG1 | LQFP | 100 | Pb-free-Matte Tin | Trays. Bake & Drypack | 6-8 weeks | Production |
Packaging Information
Technical Support
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