WM8778SEDS/RV by Cirrus Logic | Audio CODECs | Avnet ASIA
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WM8778SEDS/RV

Cirrus Logic

Audio Codec 1ADC /1 DAC 24-Bit 28-Pin SSOP T/R

Manufacturer Part #: WM8778SEDS/RV

Alternate Part #: WM8778SEDS/RV


RoHS Compliant

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Information

The WM8750 is a low power, high quality stereo codec designed for portable digital audio applications. The device integrates complete interfaces to stereo or mono microphones and a stereo headphone. External component requirements are drastically reduced as no separate microphone or headphone amplifiers are required. Advanced on-chip digital signal processing performs graphic equaliser, 3-D sound enhancement and automatic level control for the microphone or line input. The WM8750 can operate as a master or a slave, with various master clock frequencies including 12 or 24MHz for USB devices, or standard 256fs rates like 12.288MHz and 24.576MHz. Different audio sample rates such as 96kHz, 48kHz, 44.1kHz are generated directly from the master clock without the need for an external PLL. The WM8750 operates at supply voltages down to 1.8V, although the digital core can operate at voltages down to 1.42V to save power, and the maximum for all supplies is 3.6 Volts. Different sections of the chip can also be powered down under software control. The WM8750 is supplied in a very small and thin 5x5mm QFN package, ideal for use in hand-held and portable systems.

Key Features

  • DAC SNR 98dB (‘A’ weighted), THD -95B at 48kHz, 3.3V
  • ADC SNR 95dB (‘A’ weighted), THD -90dB at 48kHz, 3.3V
  • Complete Stereo / Mono Microphone Interface
  • Programmable ALC / Noise Gate
  • On-chip 400mW BTL Speaker Driver (mono)
  • On-chip Headphone Driver
  • >40mW output power on 16W / 3.3V
  • THD –80dB at 20mW, SNR 90dB with 16W load
  • No DC blocking capacitors required (capless mode)
  • Separately mixed mono output
  • Digital Graphic Equaliser
  • Low Power
    • 7mW stereo playback (1.8V / 1.5V supplies)
    • 14mW record & playback (1.8V / 1.5V supplies)
  • Low Supply Voltages
    • analog 1.8V to 3.6V
    • Digital core: 1.42V to 3.6V
    • Digital I/O: 1.8V to 3.6V
  • 256fs / 384fs or USB master clock rates: 12MHz, 24MHz
  • Audio sample rates: 8, 11.025, 16, 22.05, 24, 32, 44.1, 48, 88.2, 96kHz generated internally from master clock 5x5x0.9 mm QFN Package

Technical Attributes

Description
Value
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Operating Supply Voltage
3.3|5 V
Product Dimensions
10.2 x 5.3 x 1.75
Number of DACs
1
ADC/DAC Resolution
24 Bit
Pin Count
28
Number of ADCs
1
Number of ADC Inputs
2
Type
PCM
Number of DAC Outputs
2
Max Processing Temp
260
Number of Channels
1ADC /1 DAC
Sampling Rate
96 ksps
Mounting
Surface Mount
Operating Temperature
-25 to 85 °C
Screening Level
Industrial
MSL Level
3
Supplier Package
SSOP

ECCN / UNSPSC

Description
Value
ECCN:
EAR99
SCHEDULE B:
8542390000"
UNSPSC:
32101668
UNSPSC VERSION:
V15.1101
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