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ACS422A67

TSI
Part Number ACS422A67
Manufacturer TSI
Description CODEC
Published Apr 21, 2020
Detailed Description ® Tempo Semiconductor, Inc. PORTABLE CONSUMER CODEC LOW-POWER, HIGH-FIDELITY INTEGRATED CODEC The ACS422x67 is a low-pow...
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ACS422A67
ACS422A67

Overview
® Tempo Semiconductor, Inc.
PORTABLE CONSUMER CODEC LOW-POWER, HIGH-FIDELITY INTEGRATED CODEC The ACS422x67 is a low-power, high-fidelity integrated CODEC targeted at portable applications such as tablet computers, personal navigation devices, portable projectors and speaker docks.
In addition to a high-fidelity low-power CODEC, the device integrates a stereo DDXTM Class D speaker amplifier and a true capless headphone amplifier.
Beyond high-fidelity for portable systems, the device offers an enriched “audio presence” through built-in audio processing capability.
TARGET APPLICATIONS • Tablet Computers • Portable Navigation Devices • Personal Media Players • Portable Projectors • Speaker Docks DATASHEET ACS422x67 FEATURES • High fidelity 24-bit stereo CODEC • DAC 102dB SNR; THD+N better than -82dB • ADC 90dB SNR, THD + N better than -80dB • Built in audio controls and processing • 3D stereo enhancement • Dual (cascaded) stereo 6-band parametric equalizers • Programmable Compressor/Limiter/Expander • Psychoacoustic Bass and Treble enhancement processing • Filterless Stereo DDXTM Class D Speaker Driver • 3W/channel (4), 10% THD+N typical • 1W/channel (8) or 2W/channel (4), 0.
05% THD+N typical • Tri-state DDXTM Class D achieves low EMI and high efficiency • >80% efficiency at 1W • Spread spectrum support for reduced EMI output power mode • Anti-Pop circuitry • On-chip true capless headphone driver • 35 mW output power (16) • Charge-pump allows true ground centered outputs • SNR of 102dB • I2S data interface • Microphone/line-in interface • Analog microphone or line-in inputs • Digital microphone (ACS422D67) • Automatic level control • On-chip low-jitter PLL for audio timing • Supports an external MCLK or XTAL • Optimized for frequencies of 11.
2896MHz or 12.
288MHz • Buffered reference frequency output • Low power with built in power management • 1.
7 V CODEC supports 1Vrms • Very low standby and no-signal power consumption • 1.
8V digital / 1.
7V analog supply for low ...


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