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參數(shù)資料
| 型號： | TAS3001EVM |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | TAS3001EVM(TAS3001評估板) |
| 中文描述： | TAS3001EVM（TAS3001評估板） |
| 文件頁數(shù)： | 9/72頁 |
| 文件大?。?/td> | 162K |
| 代理商： | TAS3001EVM |
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Features
1-3
Overview
1.2
Features
The speaker equalization board has the following features.
12
–
V to 18-V-V dc power supply operation
Onboard 3.3-V regulator
TAS3001 stereo audio digital equalizer
Operation via either a preprogrammed MSP430 microcontroller or via a
PC through a DB25 male/male cable
and software program
Six switches used to control volume, bass, treble, and equalization
Mute control
LED indicates mode of operation
A 12.288-MHz master clock frequency
1-Vrms line input and output analog stereo signals sampled at 48 kHz
24-watts-per-channel stereo-differential-output audio power amplifier
Diagnostic indicator (CLIP LED)
1.3
Environmental Working Conditions
The circuit is designed to operate in an office-type environment.
1.4
Description of Inputs
The speaker equalization board uses a 3.5-mm stereo jack for its input. It
requires a stereo analog signal input. The analog input ranges from ground to
a maximum of 1 Vrms.
1.5
Description of Outputs
1.5.1
Line Output
The line output uses a 3.5-mm stereo jack. The output is a stereo analog audio
signal with a 1-Vrms level. The output can drive amplified speakers or the line
input of a stereo amplifier.
1.5.2
Power Amplifier Output
The power amplifier output
uses two RCA-type connectors. The power
amplifier output signal is capable of driving 4-
to 8-
speakers. The
maximum power amplifier output is 24 watts per channel.
1.6
Power Supply
The power supply for the speaker equalization board is 12 V to 18 V (15 V
nominal). The board draws an average current of about 0.250 A when driving
speakers, and less than 100 mA with no speakers connected. The board can
draw greater than 2.5 A peak current when driving speakers at a high volume.
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