|Place of Origin:||PHILIPPINE|
|Brand Name:||Analog Devices|
|Certification:||Lead free / RoHS Compliant|
|Minimum Order Quantity:||50|
|Price:||Contact for Sample|
|Packaging Details:||Contact for Sample|
|Delivery Time:||Within 3days|
|Payment Terms:||T/T in advance, Paypal, Western Union|
programmable ic chips,
integrated circuit chips
Parallel-Port 16-Bit SoundPort Stereo Codec
The Parallel Port AD1845 SoundPortStereo Codec integrates key audio data conversion and control functions into a single integrated circuit. The AD1845 provides a complete, single chip computer audio solution for business audio and multimedia applications. The codec includes stereo audio converters, com plete on-chip filtering, MPC Level-2 compliant analog mixing, programmable gain, attenuation and mute, a variable sample frequency generator, FIFOs, and supports advanced power down modes. It provides a direct, byte-wide interface to both ISA (“AT”) and EISA computer buses for simplified implementation on a computer motherboard or add-in card.
The AD1845 SoundPort Stereo Codec supports a DMA request/grant architecture for transferring data with the host computer bus. One or two DMA channels can be supported.
Programmed I/O (PIO) mode is also supported for control register accesses and for applications lacking DMA control.
Two input control lines support mixed direct and indirect addressing of thirty-seven internal control registers over this asynchronous interface. The AD1845 includes dual DMA count registers for full duplex operation enabling the AD1845 to capture data on one DMA channel and play back data on a separate channel. The FIFOs on the AD1845 reduce the risk of losing data when making DMA transfers over the ISA/EISA bus. The
FIFOs buffer data transfers and allow for relaxed timing in acknowledging requests for capture and playback data.
Single-Chip Integrated ∑∆ Digital Audio Stereo Codec
Microsoft® and Windows® Sound System Compatible
MPC Level-2+ Compliant Mixing
16 mA Bus Drive Capability
Supports Two DMA Channels for Full Duplex Operation
On-Chip Capture and Playback FIFOs
Advanced Power-Down Modes
Programmable Gain and Attenuation
Sample Rates from 4.0 kHz to 50 kHz Derived from a
Single Clock or Crystal Input
68-Lead PLCC, 100-Lead TQFP Packages
Operation from +5 V Supplies
Byte-Wide Parallel Interface to ISA and EISA Buses
Pin Compatible with AD1848, AD1846, CS4248, CS4231
new and original stock
Warranty :180 days !
Free shipping: Order over $1000 win a free shipment fee
(goods weight below 3Kg) ,during 20130901-20130930 .
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