MAX9722B中文资料美信数据手册PDF规格书
MAX9722B规格书详情
General Description
The MAX9722A/MAX9722B stereo headphone amplifiers are designed for portable equipment where board space is at a premium. The MAX9722A/MAX9722B use a unique, patented DirectDrive architecture to produce a ground-referenced output from a single supply, eliminating the need for large DC-blocking capacitors, which saves cost, board space, and component height. Additionally, the gain of the amplifier is set internally (-2V/V, MAX9722B) or adjusted externally (MAX9722A).
特性 Features
♦ 2.4V to 5.5V Single-Supply Operation
♦ High PSRR (80dB at 217Hz) Eliminates LDO
♦ No Bulky DC-Blocking Capacitors Required
♦ Ground-Referenced Outputs Eliminate DC Bias Voltage on Headphone Ground Pin
♦ No Degradation of Low-Frequency Response Due to Output Capacitors
♦ Differential Inputs for Enhanced Noise Cancellation
♦ Adjustable Gain (MAX9722A) or Fixed -2V/V Gain (MAX9722B)
♦ 130mW per Channel into 32Ω
♦ Low 0.009 THD+N
♦ Integrated Click-and-Pop Suppression
♦ Low Quiescent Current (5.5mA)
♦ Short-Circuit and Thermal-Overload Protection
♦ ±8kV ESD-Protected Amplifier Outputs (Human Body Model)
♦ Available in a Space-Saving 16-Pin Thin QFN (3mm ✕ 3mm ✕ 0.8mm) Package
Applications
Notebook and Desktop PCs
MP3 Players
Flat-Panel Monitors
Cellular Phones
Smart Phones
PDAs
Portable Audio Equipment
产品属性
- 型号:
MAX9722B
- 功能描述:
音频放大器 DirectDrive 130mW 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 |
23+ |
TQFN16 |
8650 |
受权代理!全新原装现货特价热卖! |
询价 | ||
MaximIntegrated |
2022+ |
56 |
全新原装 货期两周 |
询价 | |||
MAXIM/美信 |
23+ |
QFN16 |
50000 |
全新原装正品现货,支持订货 |
询价 | ||
MAXIM/美信 |
2023+ |
QFN |
6895 |
原厂全新正品旗舰店优势现货 |
询价 | ||
MAXIM |
23+ |
QFN16 |
20000 |
全新原装假一赔十 |
询价 | ||
NA |
23+ |
NA |
26094 |
10年以上分销经验原装进口正品,做服务型企业 |
询价 | ||
Maxim |
22+ |
16TSSOP |
9000 |
原厂渠道,现货配单 |
询价 | ||
MAXIM/美信 |
21+ |
TSSOP-16 |
890000 |
全新原装现货 |
询价 | ||
MAXIM |
NA |
8560 |
一级代理 原装正品假一罚十价格优势长期供货 |
询价 | |||
MAXIM/美信 |
23+ |
QFN |
3000 |
一级代理原厂VIP渠道,专注军工、汽车、医疗、工业、 |
询价 |


