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參數(shù)資料
| 型號(hào)： | HMP9701CN |
| 廠商： | INTERSIL CORP |
| 元件分類： | 消費(fèi)家電 |
| 英文描述： | AC’97 Audio Codec |
| 中文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP48 |
| 封裝： | TQFP-48 |
| 文件頁數(shù)： | 1/20頁 |
| 文件大?。?/td> | 174K |
| 代理商： | HMP9701CN |
1
Semiconductor
Features
Fully Compatible with the Audio Codec ‘97 Standard
High Fidelity 16-Bit
Σ
Converters
- DAC SNR > 80dB
- ADC SNR > 80dB
Additional A/D for Microphone Pass-Through
AC Link Serial Interface Compatible with AC’97 Digital
Controllers
Fixed 48kHz Sampling Rate
6 Channel Input Mixer
Programmable Powerdown Modes
48 Lead TQFP Package
Single +5V Supply
Applications
Multimedia PC Applications
- Desk Top PCs
- Notebook PCs
- Sound Cards
- Motherboards
Video Conferencing
Speaker Phones
Table of Contents
Page
Functional Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Functional Description. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Serial Digital Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Control Register Description . . . . . . . . . . . . . . . . . . . . . . . . 8
Pinout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Pin Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
AC and DC Electrical Specifications . . . . . . . . . . . . . . . . . 13
Typical Performance Curves
ADC/DAC Frequency Responses . . . . . . . . . . . . . . . . . 17
AC Timing Waveforms. . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Schematic Diagram. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Description
The HMP9701 is the next generation PC based audio codec
solution. The HMP9701 is fully compatible to the new AC’97
standard and, as such, interfaces to any AC’97 compliant digital
controller. The HMP9701 offers the designer a solution to sat-
isfy the demand for flexibility and improved High Fidelity sound
in a PC environment. As part of the AC’97 PC audio standard
architecture, the HMP9701 helps pave the way for PC’97 com-
pliant desktop, portable and entertainment PCs with a cost
effective high-quality audio solution.
As the analog front end of the AC’97 chipset, the HMP9701
accepts line level audio inputs from seven different sources and
converts the analog audio to 16-bit digital streams of either ste-
reo or mono data. The 48 Kss data is transmitted to the control-
ler via the AC’97 standard five wire interface. The controller
sends digital audio data to the HMP9701 to be converted to
analog stereo or monaural line output using two DACs.
We include an additional ADC to be used for Acoustic Echo
Canceling needed for video conferencing applications. This
ADC has a dedicated microphone input. It has the same high
quality performance as the stereo ADCs. The small 48 lead
TQFP (Thin 1.5mm and 7mm x 7mm footprint Quad Flat Pack-
age) makes it easy to locate the analog codec close to the ana-
log sources. Thus, reducing noise and lowering the cost of
implementation.
Ordering Information
PART NUMBER
TEMP.
RANGE (
o
C)
PACKAGE
PKG. NO.
HMP9701CN
0 to 70
48 Ld TQFP
Q48.7x7A
HMP9701EVAL2
PCI Bus Evaluation Board (Includes codec)
TQFP is also known as PQFP and MQFP.
November 1998
HMP9701
AC’97 Audio Codec
CAUTION: These devices are sensitive to electrostatic discharge. Users should follow proper IC Handling Procedures.
Copyright
Harris Corporation 1998
File Number
4287.4
FOR A POSSIBLE SUBSTITUTE PRODUCT
call Central Applications 1-800-442-7747
or email: centapp@harris.com
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