PCM5100A - 具有 32 位 1.8V IO 的 2VRMS DirectPath? 111/106/100dB 音频立体声 DAC

PCM5100A是TI德州仪器公司的一款音频DAC产品，PCM5100A是具有 32 位 1.8V IO 的 2VRMS DirectPath? 111/106/100dB 音频立体声 DAC，本站介绍了PCM5100A的封装应用图解、特点和优点、功能等，并给出了与PCM5100A相关的TI元器件型号供参考。

PCM5100A - 具有 32 位 1.8V IO 的 2VRMS DirectPath? 111/106/100dB 音频立体声 DAC - 音频DAC - 音频转换器 - 德州仪器

产品特性

Ultra Low Out-of-Band Noise
Integrated High-Performance Audio PLL with BCK Reference to Generate SCK Internally
Direct Line Level 2.1-VRMS Output
No DC Blocking Capacitors Required
Line Level Output Down to 1KΩ
Intelligent Muting System; Soft Up or Down Ramp and Analog Mute For 120-dB Mute SNR
Accepts 16-, 24-, and 32-Bit Audio Data
PCM Data Formats: I2S, Left-Justified
Automatic Power-Save Mode When LRCK And BCK Are Deactivated
1.8 V or 3.3 V Failsafe LVCMOS Digital Inputs
Simple Configuration Using Hardware Pins
Single-Supply Operation: 14
- 3.3 V Analog, 1.8 V or 3.3 V Digital
Qualified in Accordance with AEC-Q100

产品应用

A/V Receivers, DVD, BD Players
Automotive Infotainment and Telematics
HDTV Receivers
Aftermarket Automotive Amplifiers

产品说明

The PCM510xA devices are a family of monolithic CMOS-integrated circuits that include a stereo digital-to-analog converter and additional support circuitry in a small TSSOP package. The PCM510xA devices use the latest generation of TI’s advanced segment-DAC architecture to achieve excellent dynamic performance and improved tolerance to clock jitter.

Using Directpath™ charge-pump technology, the PCM510xA devices provide 2.1-VRMS ground centered outputs, allowing designers to eliminate DC blocking capacitors on the output, as well as external muting circuits traditionally associated with single-supply line drivers.

The integrated line driver surpasses all other charge-pump based line drivers by supporting loads down to 1 kΩ per pin.

The integrated PLL on the device removes the requirement for a system clock (commonly known as master clock), allowing a 3-wire I2S connection and reducing system EMI.

Intelligent clock error and PowerSense undervoltage protection utilizes a two-level mute system for pop-free performance.

Compared with many conventional switched capacitor DAC architectures, the PCM510xA family offers up to 20 dB lower out-of-band noise, reducing EMI and aliasing in downstream amplifiers/ADCs, measured from the traditional 100-kHz OBN measurements to 3 MHz).

Table 1. Device Information(1)

PART NUMBER	PACKAGE	BODY SIZE (NOM)
PCM5102A	TSSOP (20)	5.50 mm × 4.40 mm
PCM5101A
PCM5100A

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