WM9705, WM9705EFL, WM9705EFT Selling Leads, Datasheet
MFG:PQFQ-48 Package Cooled:BGA D/C:05+
WM9705, WM9705EFL, WM9705EFT Datasheet download
Part Number: WM9705
MFG: PQFQ-48
Package Cooled: BGA
D/C: 05+
WM9705, WM9705EFL, WM9705EFT
- Table of contents:
Info of WM9705
Info of WM9705EFL
Info of WM9705EFT
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About WM9705
PDF/DataSheet Download
Datasheet: WM9705
File Size: 508790 KB
Manufacturer: WOLFSON [Wolfson Microelectronics plc]
Download : Click here to Download
About WM9701
PDF/DataSheet Download
Datasheet: WM9701
File Size: 197584 KB
Manufacturer: WOLFSON [Wolfson Microelectronics plc]
Download : Click here to Download
About WM9701
PDF/DataSheet Download
Datasheet: WM9701
File Size: 197584 KB
Manufacturer: WOLFSON [Wolfson Microelectronics plc]
Download : Click here to Download
WM9705 General Description
The WM9705 is a high-quality stereo audio codec with an integrated touch screen controller.
The audio section is compliant with the Intel AC'97 Rev 2.2 specification. It performs full-duplex 18-bit codec functions and supports variable sample rates from 8 to 48k samples/s with high signal to noise ratio. Optional AC'97 features include 3D sound enhancement, line-level outputs, stereo buffered headphone outputs, hardware sample rate conversion,primary/secondary mode operation and S/PDIF output.Headphone auto-detect, I2S output and headphone buffer on the mono output are included.
Additionally, the WM9705 integrates a complete 4-wire touch screen controller, including on-chip screen drivers, pen-down detection feature, and pressure measurement capability.A 5-pin digital bi-directional AC-Link serial interface allows transfer of control data and DAC and ADC words to and from the AC'97 controller. The WM9705 is fully operable on 3V or 5V or mixed 3/5V supplies, and is packaged in the industry standard 48-pin TQFP package with 7mm body size, or in a smaller 7 * 7 * 0.9mm QFN.
WM9705 Maximum Ratings
| CONDITION | MIN | MAX |
| Digital supply voltages (DCVDD, DBVDD) | -0.3V | +3.63V |
| Analogue supply voltages (AVDD, HPVDD, SPKVDD) | -0.3V | +3.63V |
| Voltage range digital inputs | DGND -0.3V | DBVDD +0.3V |
| Voltage range analogue inputs | AGND -0.3V | AVDD +0.3V |
| Voltage range, COMP3 (pin31) | +5V | |
| Operating temperature range, TA | -25oC | +85oC |
| Storage temperature (TQFP package only) | -65oC | +150oC |
WM9705 Features
• AC'97 rev2.2 compliant codec with pen digitiser
• 18-bit stereo audio codecs
• On-chip sample rate conversion
• Multiple channel input mixer
• S/PDIF digital audio output
• Headphone drivers on AUX and MONO outputs
• 4-wire touch screen interface with co-ordinate and pressure measurement, and pen-down detection
• Wake-up from sleep mode on pen down
• 3V to 5V operation
• Extensive power management features including hardware power down option
• Standard AC'97 pinout in 48-pin TQFP package or 48-pin QFN package.
• 18-bit stereo audio codecs
• On-chip sample rate conversion
• Multiple channel input mixer
• S/PDIF digital audio output
• Headphone drivers on AUX and MONO outputs
• 4-wire touch screen interface with co-ordinate and pressure measurement, and pen-down detection
• Wake-up from sleep mode on pen down
• 3V to 5V operation
• Extensive power management features including hardware power down option
• Standard AC'97 pinout in 48-pin TQFP package or 48-pin QFN package.
WM9705 Typical Application
• Personal Digital Assistants and 'Smartphones'
• PocketPC systems
• PocketPC systems
WM9705 Connection Diagram
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