MAX9879中文资料美信数据手册PDF规格书
MAX9879规格书详情
General Description
The MAX9879 combines a high-efficiency stereo Class D audio power amplifier with a stereo capacitor-less DirectDrive® headphone amplifier. Maxim’s filterless class D amplifiers with active emissions limiting technology provide Class AB performance with Class D efficiency.
The Class D power amplifier delivers up to 715mW from a 3.7V supply into an 8Ω load with 88 efficiency to extend battery life. The filterless modulation scheme combined with active emission limiting circuitry and spread-spectrum modulation greatly reduces EMI while eliminating the need for output filtering used in traditional Class D devices.
特性 Features
♦ Better than 9dB Margin Under EN 55022 Class B
Limits with No Filter Components
♦ Low RF Susceptibility Design Rejects TDMA
Noise from GSM Radios
♦ Input Mixer with User Defined Input Mode
♦ Stereo 715mW Speaker Output (RL = 8Ω,
VDD = 3.7V)
♦ Stereo 58mW Headphone Output (16Ω,
VDD = 3.7V)
♦ Low 0.04 THD+N at 1kHz (Class D Power
Amplifier)
♦ Low 0.018 THD+N at 1kHz (Headphone
Amplifier)
♦ 88 Efficiency (RL = 8Ω, POUT = 750mW)
♦ 1.6Ω Analog Switch for Speaker Amplifier Bypass
♦ High Speaker Amplifier PSRR (72dB at 217Hz)
♦ High Headphone Amplifier PSRR (84dB at 217Hz)
♦ I2C Control
♦ Hardware and Software Shutdown Mode
♦ Ultra-Low Click and Pop
♦ Robust Design with Current and Thermal
Protection
♦ Available in Space-Saving Package
5x6 UCSP (2.5mm x 3mm)
Applications
Cell Phones
Portable Multimedia Players
产品属性
- 型号:
MAX9879
- 功能描述:
音频放大器 Stereo Class D Audio Subsystem with DirectDrive Headphone Amplifier
- RoHS:
否
- 制造商:
STMicroelectronics
- 产品:
General Purpose Audio Amplifiers
- 输出类型:
Digital
- 输出功率:
THD +
- 工作电源电压:
3.3 V
- 安装风格:
SMD/SMT
- 封装/箱体:
TQFP-64
- 封装:
Reel
| 供应商 | 型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
|---|---|---|---|---|---|---|---|
MAXIM/美信 |
24+ |
UCSP(R)30 |
25050 |
原厂支持公司优势现货 |
询价 | ||
MAX |
24+ |
BGA |
598000 |
原装现货假一赔十 |
询价 | ||
MAXIM |
16+ |
CSP30 |
1638 |
询价 | |||
MAXIM |
25+23+ |
BGA |
39756 |
绝对原装正品现货,全新深圳原装进口现货 |
询价 | ||
美信/MAXIM |
24+ |
SMD |
26970 |
郑重承诺只做原装进口现货 |
询价 | ||
MAXIM |
2025+ |
UCSP30 |
3550 |
全新原厂原装产品、公司现货销售 |
询价 | ||
Maxim |
22+ |
30WFBGA CSPBGA |
9000 |
原厂渠道,现货配单 |
询价 | ||
MAXIM |
25+ |
UCSP-30 |
30000 |
代理全新原装现货,价格优势 |
询价 | ||
MAXIM |
24+ |
37200 |
原装现货/放心购买 |
询价 | |||
MAXIM |
25+ |
UCSP30 |
90000 |
一级代理商进口原装现货、假一罚十价格合理 |
询价 |


