WM8961中文资料PDF规格书
WM8961规格书详情
DESCRIPTION
The WM8961 is a low power, high quality stereo CODEC designed for portable digital audio applications.
An integrated charge pump provides a ground referenced output which removes the need for DC-blocking capacitors on the output, and uses the Wolfson ‘Class-W’ amplifier techniques - incorporating an innovative dual-mode charge pump architecture - to optimise efficiency and power consumption during playback. A DC Servo is used to reduce DC ground offsets. This improves power consumption and minimises pops and clicks.
FEATURES
• DAC SNR 98dB (‘A’ weighted), THD -83dB at 48kHz, 1.8V
• ADC SNR 88dB (‘A’ weighted), THD -75dB at 48kHz, 1.8V
• Stereo Class D Speaker Driver
- 1W per channel into 8Ω BTL speakers.
- Flexible internal switching clock
• Wolfson ‘Class-W’ ultra-low power headphone Driver
- Up to 22mW per channel output power at -80dB THD+N into 16Ω at 1.8V
- Ground Referenced
- Low offset (+/- 1.5mV)
- Pop and click suppression
- Control sequencer for pop-minimised start-up and shut-down
- Single register write for default start-up sequence
• Microphone Interface
- Single ended stereo input
- Integrated low noise MICBIAS
- Programmable ALC / Limiter and Noise Gate
• Low Power Consumption
- 6.99mW headphone playback (1.8V supplies, Low Power mode)
• Low Supply Voltages
- Analogue 1.71V to 2.0V (Speaker supply up to 5.5V)
- Charge pump 1.71V to 2.0V
- MIC bias amp supply 1.71V to 3.6V
- Digital 1.62V to 2.0V
• 2-wire serial control interface including read-back
• Sample rates: 8, 11.025, 12, 16, 22.05, 24, 32, 44.1, 48
• 5x5x0.9mm 32 pin QFN package
APPLICATIONS
• Games consoles
• Portable media / DVD players
• Mobile multimedia
产品属性
- 型号:
WM8961
- 制造商:
WOLFSON
- 制造商全称:
WOLFSON
- 功能描述:
Ultra-Low Power Stereo CODEC with 1W Stereo Class D Speaker Drivers and Ground Referenced Headphone Drivers
供应商 | 型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
---|---|---|---|---|---|---|---|
WOLFSON |
23+ |
NA/ |
4095 |
原厂直销,现货供应,账期支持! |
询价 | ||
WOLFSON |
QFN32 |
396379 |
集团化配单-有更多数量-免费送样-原包装正品现货-正规 |
询价 | |||
WOLFSON |
22+23+ |
QFN32 |
21416 |
绝对原装正品全新进口深圳现货 |
询价 | ||
求购IC |
2016+ |
QFN-32 |
5083 |
询价 | |||
Wolfson |
21+ |
QFN |
12588 |
原装正品,自己库存 假一罚十 |
询价 | ||
WOLFSON |
22+ |
QFN |
10725 |
原装现货假一赔十 |
询价 | ||
WOLFSON |
2020+ |
QFN |
8000 |
只做自己库存,全新原装进口正品假一赔百,可开13%增 |
询价 | ||
WM |
2021+ |
QFN |
100500 |
一级代理专营品牌!原装正品,优势现货,长期排单到货 |
询价 | ||
WOLFSONM |
11+ |
QFN |
284 |
全新原装 实单必成 |
询价 | ||
Wolfson |
22+ |
QFN |
32350 |
原装正品 假一罚十 公司现货 |
询价 |