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WM8750CJLGEFL/R

Description
IC CODEC STEREO PORTABLE 32QFN
Categorysemiconductor    Analog mixed-signal IC   
File Size553KB,61 Pages
ManufacturerCirrus Logic
Websitehttp://www.cirrus.com
Environmental Compliance
Download Datasheet Parametric Compare View All

WM8750CJLGEFL/R Overview

IC CODEC STEREO PORTABLE 32QFN

WM8750CJLGEFL/R Parametric

Parameter NameAttribute value
typeStereo audio
Data interface-
Resolution (bits)24 b
ADC/DAC number2 / 2
Trigonometric integralyes
Signal-to-noise ratio, ADC/DAC (db) (typ)88 / 97
Dynamic range, ADC/DAC (db) (typ)-
Voltage - Power, Analog1.8 V ~ 3.6 V
Voltage - Power, Digital1.42 V ~ 3.6 V
Operating temperature-25°C ~ 85°C
Installation typesurface mount
Package/casing32-VFQFN Exposed Pad
Supplier device packaging32-QFN(5x5)
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DESCRIPTION
The WM8750JL 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 WM8750JL can operate as a master or a slave, with
various master clock frequencies including 12 or 24MHz for
USB devices, or standard 256f
s
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 WM8750JL 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 WM8750JL is supplied in a very small and thin 5x5mm
QFN package, ideal for use in hand-held and portable
systems.
WM8750JL
Stereo CODEC for Portable Audio Applications
FEATURES
DAC SNR 97dB (‘A’ weighted), THD -85dB at 48kHz, 3.3V
ADC SNR 88dB (‘A’ weighted), THD -80dB at 48kHz, 3.3V
Complete Stereo / Mono Microphone Interface
- Programmable ALC (timed out) / Noise Gate
On-chip 400mW BTL Speaker Driver (mono)
On-chip Headphone Driver
- >40mW output power on 16 / 3.3V
- THD –73dB at 5mW, SNR 98dB with 16 load
- No DC blocking capacitors required (capless mode)
Separately mixed mono output
Digital Graphic Equaliser
Low Power
- 6 mW stereo playback (1.8V / 1.5V supplies)
- 13 mW record & playback (1.8V / 1.5V supplies)
Low Supply Voltages
- Analogue 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
5x5x0.9mm QFN package
APPLICATIONS
Portable Media Player
Mobile phone handsets
Mobile gaming
BLOCK DIAGRAM
WOLFSON MICROELECTRONICS plc
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http://www.wolfsonmicro.com/enews
Production Data, April 2012, Rev 4.1
Copyright
2012
Wolfson Microelectronics plc

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