Datasheet > WM9715LGEFLRV

WM9715LGEFLRV

更新时间： 2024-11-07 03:16:39

品牌	Logo	应用领域
欧胜 - WOLFSON		/
页数	文件大小	规格书
77页	900K
描述
AC’97 Audio and Touchpanel CODEC

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WM9715LGEFLRV 数据手册

WM9715L

AC’97 Audio and Touchpanel CODEC

DESCRIPTION

FEATURES

• AC’97 Rev 2.2 compatible stereo codec

- DAC SNR 90dB, THD –86dB

The WM9715L is a highly integrated input / output device

designed for mobile computing and communications. The

device can connect directly to a 4-wire or 5-wire touchpanel,

mono or stereo microphones, stereo headphones and a

mono speaker, reducing total component count in the

system. Additionally, phone input and output pins are

provided for seamless integration with wireless

communication devices.

- ADC SNR 88dB, THD –88dB

- Variable Rate Audio, supports all WinCE sample rates

- Tone Control, Bass Boost and 3D Enhancement

• On-chip 45mW headphone driver

• On-chip 400mW mono speaker driver

• Stereo, mono or differential microphone input

- Automatic Level Control (ALC)

The WM9715L also offers up to four auxiliary ADC inputs

for analogue measurements such as temperature or light.

To monitor the battery voltage in portable systems, the

WM9715L has two uncommitted comparator inputs.

• Auxiliary mono DAC (ring tone or DC level generation)

• Seamless interface to wireless chipset

• Resistive touchpanel interface

- Supports 4-wire and 5-wire panels

- 12-bit resolution, INL 3 LSBs (<0.5 pixels)

- X, Y and touch-pressure (Z) measurement

- Pen-down detection supported in Sleep Mode

• 2 comparator inputs for battery monitoring

• Up to 4 auxiliary ADC inputs

All device functions are accessed and controlled through a

single AC-Link interface compatible with the AC’97 standard

(rev 2.2). Additionally, the WM9715L can generate

interrupts to indicate pen down, pen up, availability of

touchpanel data, low battery, and dead battery.

• 1.8V to 3.6V supplies

• 7x7mm QFN

The WM9715L operates at supply voltages from 1.8 to 3.6

Volts. Each section of the chip can be powered down under

software control to save power. The device is available in a

small leadless 7x7mm QFN package, ideal for use in hand-

held portable systems.

APPLICATIONS

• Personal Digital Assistants (PDA)

• Smartphones

• Handheld and Tablet Computers

BLOCK DIAGRAM

WOLFSON MICROELECTRONICS plc

Production Data, December 2007, Rev 4.0

To receive regular email updates, sign up at http://www.wolfsonmicro.com/enews/

12 3 4 5 6 7...77

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