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PCM1781

Features: • 24-Bit Resolution• Analog Performance (VCC = 5 V): Dynamic Range: 106 dB SNR: 106 dB, Typical THD+N: 0.002%, Typical Full-Scale Output: 3.9 Vp-p, Typical• 4 * /8 * Oversampling Digital Filter: Stop-Band Attenuation: 50 dB Pass-Band Ripple: ± 0.04 dB• Samp...

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SeekIC No. : 004456733 Detail

PCM1781: Features: • 24-Bit Resolution• Analog Performance (VCC = 5 V): Dynamic Range: 106 dB SNR: 106 dB, Typical THD+N: 0.002%, Typical Full-Scale Output: 3.9 Vp-p, Typical• 4 * /8 * ...

PCM1781 Data Sheet

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Part Number:
PCM1781
Supply Ability:
5000

Price Break

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

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Product Details

Description



Features:

• 24-Bit Resolution
• Analog Performance (VCC = 5 V):
  Dynamic Range: 106 dB
  SNR: 106 dB, Typical
  THD+N: 0.002%, Typical
  Full-Scale Output: 3.9 Vp-p, Typical
• 4 * /8 * Oversampling Digital Filter:
  Stop-Band Attenuation: 50 dB
  Pass-Band Ripple: ± 0.04 dB
• Sampling Frequency: 5 kHz to 200 kHz
• System Clock: 128 f S , 192 f S , 256 f S , 384 f S ,
   512 fS , 768 fS , 1152 fS With Autodetect
• Software Control (PCM1780, PCM1782):
  Accepts 16-, 18-, 20-, and 24-Bit Audio Data
  Formats: Right-Justified, I2S, and
      Left-Justified
  Digital Attenuation: Mode Selectable
• 0 dB to 63 dB, 0.5 dB/step
• 0 dB to 100 dB, 1 dB/step
  Digital De-Emphasis
  Digital Filter Rolloff: Sharp or Slow
  Soft Mute
  Zero Flags for Each Output
  Open-Drain Output Zero Flag (PCM1782)
• Hardware Control (PCM1781):
  I2S and 16-Bit Word, Right-Justified
  Digital De-Emphasis
  Soft Mute
  Zero Flag for L-, R-Channel Common Output
• Power Supply: 5-V Single Supply
• Small, 16-Lead SSOP Package (150 mil)
• Pin-Compatible with PCM1680


Application

• A/V Receivers
• DVD Movie Players
• DVD Add-On Cards For High-End PCs
• DVD Audio Players
• HDTV Receivers
• Car Audio Systems
• Other Applications Requiring 24-Bit Audio


Pinout

Connection Diagram




Specifications

  PCM1780, PCM1781, PCM1782
Supply voltage VCC 0.3 V to 6.5 V
Input voltage 0.3 V to VCC + 0.3 V, < 6.5 V
Input current (any pins except supplies) ± 10 mA
Ambient temperature under bias 40 to 125
Storage temperature 55   to 150
Junction temperature 150
Lead temperature (soldering) 260 , 5 s
Package temperature (IR reflow, peak) 260



Description

    The PCM1781 is a CMOS, monolithic, integrated circuit, which includes stereo digital-to-analog converters and support circuitry in a small 16-lead SSOP package. The data converters PCM1781 use TI ' s enhanced multilevel delta sigma architecture to achieve excellent dynamic performance and improved tolerance to clock jitter. The PCM1781 accepts industry standard audio data formats with 16- to 24-bit data, providing easy interfacing to audio DSP and decoder chips. Sampling rates up to 200 kHz are supported. The PCM1780/82 provides a full set of user-programmable functions through a three-wire serial control port, which supports register write functions. The PCM1781 provides a subset of user-programmable functions through four control pins.

    The PCM1780 is pin-compatible with the PCM1680 (8-channel DAC).




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