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MAX9766ETJ+ PDF预览

MAX9766ETJ+

更新时间： 2024-11-19 12:59:03
品牌 Logo 应用领域
美信 - MAXIM 复用器商用集成电路音频放大器信息通信管理
页数 文件大小 规格书
33页 834K
描述
Audio Amplifier, 0.75W, 2 Channel(s), 1 Func, BICMOS, 5 X 5 MM, 0.80 MM HEIGHT, EXPOSED PAD, TQFN-32

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MAX9766ETJ+ 技术参数

是否Rohs认证：符合生命周期：Obsolete
零件包装代码：QFN包装说明：HVQCCN,
针数：32Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.33.00.01
Factory Lead Time：1 week风险等级：5.7
Is Samacsys：N标称带宽：22 kHz
商用集成电路类型：AUDIO AMPLIFIERJESD-30 代码：S-XQCC-N32
JESD-609代码：e3长度：5 mm
湿度敏感等级：1信道数量：2
功能数量：1端子数量：32
最高工作温度：85 °C最低工作温度：-40 °C
标称输出功率：0.75 W封装主体材料：UNSPECIFIED
封装代码：HVQCCN封装形状：SQUARE
封装形式：CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE峰值回流温度（摄氏度）：260
认证状态：Not Qualified座面最大高度：0.8 mm
最大供电电压 (Vsup)：5.5 V最小供电电压 (Vsup)：2.7 V
表面贴装：YES技术：BICMOS
温度等级：INDUSTRIAL端子面层：Matte Tin (Sn)
端子形式：NO LEAD端子节距：0.5 mm
端子位置：QUAD处于峰值回流温度下的最长时间：NOT SPECIFIED
宽度：5 mmBase Number Matches：1

MAX9766ETJ+ 数据手册

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19-2862; Rev 2; 3/07  
750mW Audio Amplifiers with Headphone Amp,  
Microphone Preamp, and Input Mux  
General Description  
Features  
♦ 750mW BTL Stereo Speaker Amplifier  
The MAX9765/MAX9766/MAX9767 family combines  
speaker, headphone, and microphone amplifiers, all in  
a small thin QFN package. The MAX9765 is targeted at  
stereo speaker playback applications and includes a  
stereo bridge-tied load (BTL) speaker amp, stereo  
headphone amp, single-ended output mic amp, input  
♦ 65mW Stereo Headphone Amplifier  
♦ 2.7V to 5.5V Single-Supply Operation  
♦ Patented Click-and-Pop Suppression  
♦ Low 0.003% THD+N  
2
MUX, and I C control. The MAX9766 is targeted at  
♦ Low Quiescent Current: 13mA  
♦ Low-Power Shutdown Mode: 5µA  
♦ MUTE Function  
mono speaker playback applications and includes a  
mono BTL speaker amp, stereo headphone amp, differ-  
2
ential output mic amp, input MUX, and I C control. The  
MAX9767 is targeted at applications that do not require  
a headphone amp and includes a stereo BTL speaker  
amp, differential output mic amp, and parallel control.  
These devices operate from a single 2.7V to 5.5V supply.  
A high 95dB PSRR allows these devices to operate from  
noisy supplies without additional power conditioning. An  
ultra-low 0.003% THD+N ensures clean, low distortion  
amplification of the audio signal. Patented click-and-pop  
suppression eliminates audible transients on power and  
shutdown cycles.  
♦ Headphone Sense Input  
♦ Stereo 2:1 Input Multiplexer  
♦ Optional 2-Wire, I2C-Compatible, or Parallel  
Interface  
♦ Small 32-Pin Thin QFN (5mm ✕ 5mm ✕ 0.8mm)  
Package  
Ordering Information  
PIN-  
PACKAGE  
PKG  
CODE  
PART  
TEMP RANGE  
In speaker mode, the amplifiers can deliver up to  
750mW of continuous average power into a 4Ω load. In  
headphone mode, the amplifier can deliver up to 65mW  
of continuous average power into a 16Ω load. The gain  
of the amplifiers is externally set, allowing maximum  
flexibility in optimizing output levels for a given load.  
The MAX9765/MAX9766 also feature a 2:1 input multi-  
plexer, allowing multiple audio sources to be selected.  
The various functions are controlled by either an I2C-  
compatible (MAX9765/MAX9766) or simple parallel  
control interface (MAX9767).  
T3255-4  
T3255-4  
T3255-4  
MAX9765ETJ  
MAX9766ETJ  
MAX9767ETJ  
-40oC to +85oC  
-40oC to +85oC  
-40oC to +85oC  
32 TQFN-EP*  
32 TQFN-EP*  
32 TQFN-EP*  
*EP = Exposed paddle.  
Pin Configurations and Functional Diagrams appear at end of data  
sheet.  
Simplified Diagram  
MUX  
All devices include two low-noise microphone pre-  
amps, a differential amp for internal microphones, and  
a single-ended amplifier for additional external micro-  
phones. A microphone bias output is provided, reduc-  
ing external component count.  
INL1  
HEADPHONE  
SPKR  
LEFT  
INL2  
MUX  
The MAX9765/MAX9766/MAX9767 are available in a  
thermally efficient 32-pin thin QFN package (5mm ✕  
5mm ✕ 0.8mm). All devices have short-circuit and  
thermal-overload protection (OVP) and are specified  
over the extended -40°C to +85°C temperature range.  
INR1  
INR2  
SPKR  
RIGHT  
DEVICE  
CONTROL  
CONTROL  
Applications  
PDA Audio Systems  
Tablet PCs  
Notebooks  
MICIN-  
MICIN+  
Digital Cameras  
MUX  
MICOUT  
Cell Phones  
AUXIN  
MAX9765  
MICBIAS  
BIAS  
________________________________________________________________ Maxim Integrated Products  
1
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at  
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.  
1234567...33

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