参数资料
型号: TFA9812HN
厂商: NXP SEMICONDUCTORS
元件分类: 音频/视频放大
英文描述: 15 W, 2 CHANNEL, AUDIO AMPLIFIER, PQCC48
封装: 7 X 7 MM, 0.85 MM HEIGHT, PLASTIC, MO-220, SOT619-8, HVQFN-48
文件页数: 12/66页
文件大小: 386K
代理商: TFA9812HN
TFA9812_2
NXP B.V. 2009. All rights reserved.
Preliminary data sheet
Rev. 02 — 22 January 2009
2 of 66
NXP Semiconductors
TFA9812
BTL stereo Class-D audio amplier with I2S input
I No high system clock required (PLL is able to lock on BCK)
I No external heat sink required
I 5 V tolerant digital inputs
I Supports dual coil inductor application
I Easy application and limited external components required
2.2 DSP features
I Digital parametric 10-band equalizer
I Digital volume control per channel
I Selectable +24 dB gain boost
I Analog interface to digital volume control in Legacy mode
I Digital clip level control
I Soft and hard mute
I Thermal foldback threshold temperature control
I De-emphasis
I Output power limiting control
I Polarity switch
I Four Pulse Width Modulation (PWM) switching frequency settings
2.3 Audio data input interface format support
I Master or slave Master Clock (MCLK), Bit Clock (BCK) and Word Select (WS) signals
I Philips I2S, standard I2S
I Japanese I2S, Most Signicant Bit (MSB) justied
I Sony I2S, Least Signicant Bit (LSB) justied
I Sample rates from 8 kHz to 192 kHz
3.
Applications
I Digital-in Class-D audio amplier applications
I CRT and at-panel television sets
I Flat-panel monitors
I Multimedia systems
I Wireless speakers
I Docking stations for MP3 players
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