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PCM1727

Features: ACCEPTS 16-, 20-, OR 24-BIT INPUT DATA COMPLETE STEREO DAC: Includes DigitalFilter and Output Amp DYNAMIC RANGE: 92dB MULTIPLE SAMPLING FREQUENCIES:fS = 44.1kHz, 48kHz, 96kHzPROGRAMMABLE DUAL PLL CIRCUIT:27MHz Master Clock Input GENERATED SYSTEM CLOCKSCKO1: 33.8688MHzSCK02: 384fSSCK03: ...

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SeekIC No. : 004456705 Detail

PCM1727: Features: ACCEPTS 16-, 20-, OR 24-BIT INPUT DATA COMPLETE STEREO DAC: Includes DigitalFilter and Output Amp DYNAMIC RANGE: 92dB MULTIPLE SAMPLING FREQUENCIES:fS = 44.1kHz, 48kHz, 96kHzPROGRAMMABLE ...

PCM1727 Data Sheet

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Part Number:
PCM1727
Supply Ability:
5000

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  • 1~5000
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  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

ACCEPTS 16-, 20-, OR 24-BIT INPUT DATA
  COMPLETE STEREO DAC: Includes DigitalFilter and Output Amp
  DYNAMIC RANGE: 92dB
MULTIPLE SAMPLING FREQUENCIES:fS = 44.1kHz, 48kHz, 96kHz
  PROGRAMMABLE DUAL PLL CIRCUIT:27MHz Master Clock Input
  GENERATED SYSTEM CLOCKSCKO1: 33.8688MHzSCK02: 384fSSCK03: 768fS (44.1k/48kHz)384fS (96kHz)
  NORMAL OR I2S DATA INPUT FORMATS
  SELECTABLE FUNCTIONS:Soft Mute, Analog Output ModeDigital Attenuator (256 Steps)Digital De-emphasis
+5V SINGLE POWER SUPPLY


Pinout

Connection Diagram


Specifications

Power Supply Voltage ....................................................................... +6.5V
+VCC to +VDD Difference ................................................................... ±0.1V
Input Logic Voltage .................................................. 0.3V to (VDD + 0.3V)
Input Current (except power supply) .............................................. ±10mA
Power Dissipation ............................................................................ 300mW
Operating Temperature Range ........................................25°C to +85°C
Storage Temperature ................................................... 55°C to +125°C
Lead Temperature (soldering, 5s) .................................................. +260°C
Thermal Resistance, JA ............................................................... +70°C/W


Description

The PCM1727 is a complete low cost stereo audiodigital-to-analog converter (DAC) with a dual phase-locked loop (PLL) circuit included. PLL-1 derives afixed 33.8688MHz (768fS, fS = 44.1kHz) systemclock (SCKO-1), and PLL-2 derives both the 384fS (fS= 44.1k/48k/96kHz) system clock (SCKO-2), and the768fS (fS = 44.1k/48kHz)/384fS (fS = 96kHz) systemclock (SCKO-3) from an external 27MHz referencefrequency. The DAC PCM1727 contains a 3rd-order ∆ modula-tor, a digital interpolation filter, and an analog outputamplifier. The PCM1727 can accept 16-, 20-, or 24-bitinput data in either normal or I2S formats.

The digital filter PCM1727 performs an 8X interpolation func-tion and includes selectable features such as soft mute,digital attenuation and digital de-emphasis.

The PCM1727 is ideal for applications which combinecompressed audio and video data such as DVD, DVDAudio with CD-DA compatibility, karaoke DSP.




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