富威推Wolfson电源管理、音频解决方案

 Wolfson电源管理解决方案

型号：WM8326
规格：4路DC-DC,2路1.5A,2路1A,10路LDO
产品特性：QFN-81pin,1颗IC解决板上所有电源需求，方便设计，节省PCB资源，且在大电流工作状态下，芯片不会发烫，已与Rockchip, Freescale, Creative, Nvidia等主芯片平台合作并在智能手机和平板产品上设计使用。

2012 Power Management
• State of the art DC-DCs
• 2x 2.5A sync buck converters
• 2x 1.0A sync buck converters
• 10 LDOS plus 1 ‘alive’ LDO
• 2 LED drivers
• ultra low-power consumption.
• <10uA in off mode
• ~100nA in backup mode
• Backup battery support
Auxiliary Functions
• Integrated 32kHz XTAL Osc
• Secure RTC for DRM
• OTP programmable startup/shutdown sequence and startup voltages
• Programmable wake/sleep sequence and sleep voltages.
• Watchdog timer
• Up to twelfthmulti-functional GPIOs
• Control of external regulators
• 12-bitADC

Wolfson音频解决方案

型号：WM8960
规格：Codec with stereo class D speaker driver
产品特性：QFN-32PIN，支持两个1W的 class D，更低功耗，高性价比，已在平板、电子书、无线耳机等市场广泛应用。
Features:
• DAC SNR 98dB (‘A’weighted), THD -84dB at 48kHz, 3.3V
• ADC SNR 94dB (‘A’weighted), THD -82dB at 48kHz, 3.3V
• Pop and click suppression
• 3D Enhancement
• Stereo Class D Speaker Driver
　• <0.1% THD with 1W per channel into 8 BTL speakers
　• 70dB PSRR @217Hz
　• 87% efficiency (1W output)
　• Flexible internal switching clock
• On-chip Headphone Driver
　• 40mW output power into 16 at 3.3V
　• Capless mode support
　• THD -75dB at 20mW, SNR 90dB with 16 load
• Microphone Interface
　• Pseudo differential for high noise immunity
　• Integrated low noise MICBIAS
　• Programmable ALC / Limiter and Noise Gate
• Low Power Consumption
• Low Supply Voltages
　• Analogue 2.7V to 3.6V (Speaker supply up to 5.5V)
　• Digital core and I/O: 1.71V to 3.6V
• On-chip PLL provides flexible clocking scheme
• Sample rates: 8, 11.025, 12, 16, 22.05, 24, 32, 44.1, 48
• 5x5x0.9mm QFN package