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参数资料
| 型号： | MAX9768BETG+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 1/26页 |
| 文件大小： | 0K |
| 描述： | IC AMP AUDIO 10W MONO D 24TQFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 1 |
| 类型： | D 类 |
| 输出类型： | 1-通道（单声道） |
| 在某负载时最大输出功率 x 通道数量： | 10W x 1 @ 8 欧姆 |
| 电源电压： | 4.5 V ~ 14 V |
| 特点： | 消除爆音，I²C，静音，短路和热保护，关机，音量控制 |
| 安装类型： | 表面贴装 |
| 供应商设备封装： | 24-TQFN-EP（4x4） |
| 封装/外壳： | 24-WFQFN 裸露焊盘 |
| 包装： | 标准包装 |
| 其它名称： | MAX9768BETG+TDKR |
General Description
The MAX9768 mono 10W Class D speaker amplifier
provides high-quality, efficient audio power with an inte-
grated volume control function.
The MAX9768 features a 64-step dual-mode (analog or
digitally programmable) volume control and mute func-
tion. The audio amplifier operates from a 4.5V to 14V
single supply and can deliver up to 10W into an 8
Ω
speaker with a 14V supply.
A selectable spread-spectrum mode reduces EMI-radiat-
ed emissions, allowing the device to pass EMC testing
with ferrite bead filters and cable lengths up to 1m. The
MAX9768 can be synchronized to an external clock,
allowing synchronization of multiple Class D amplifiers.
The MAX9768 features high 77dB PSRR, low 0.08%
THD+N, and SNR up to 97dB. Robust short-circuit and
thermal-overload protection prevent device damage
during a fault condition. The MAX9768 is available in a
24-pin thin QFN-EP (4mm x 4mm x 0.8mm) package
and is specified over the extended -40°C to +85°C tem-
perature range.
Applications
Features
10W Output (8Ω, PVDD = 14V, THD+N = 10%)
Spread-Spectrum Modulation
Meets EN55022B EMC with Ferrite Bead Filters
Amplifier Operation from 4.5V to 14V Supply
64-Step Integrated Volume Control (I2C or Analog)
Low 0.08% THD+N (RL = 8Ω, POUT = 6W)
High 77dB PSRR
Two tON Times Offered
MAX9768—220ms
MAX9768B—15ms
Low-Power Shutdown Mode (0.5A)
Short-Circuit and Thermal-Overload Protection
MAX9768
10W Mono Class D Speaker
Amplifier with Volume Control
________________________________________________________________
Maxim Integrated Products
1
19-0854; Rev 2; 11/08
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.
EVALUATION
KIT
AVAILABLE
Pin Configuration located at end of data sheet.
Ordering Information
Note: All devices are specified over the -40°C to +85°C oper-
ating temperature range.
+
Denotes a lead-free/RoHS-compliant package.
*
EP = Exposed pad.
PART
PIN-PACKAGE
tON (ms)
MAX9768ETG+
24 TQFN-EP*
220
MAX9768BETG+
24 TQFN-EP*
15
MUTE
SHDN
SPEAKER
AUDIO
INPUT
FILTERLESS
CLASS D
SPEAKER
OUTPUT
ANALOG OR
I2C VOLUME
CONTROL
3.3V
4.5V TO 14V
MAX9768
Simplified Block Diagram
MAX9768 EMI WITH FERRITE BEAD FILTERS
(VDD = 12V, 1m CABLE, 8
Ω LOAD)
FREQUENCY (MHz)
900
800
100 200 300
500 600
400
700
5
10
15
20
AMPLITUDE
(dB
μ
V/m) 25
30
35
40
0
1000
OVER 20dB MARGIN
TO EN55022B LIMIT
Notebook Computers
Flat-Panel Displays
Multimedia Monitors
GPS Navigation
Systems
Security/Personal
Mobile Radio
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX9768ETG+ | 功能描述:音频放大器 10W Mono Class D Speaker RoHS:否 制造商:STMicroelectronics 产品:General Purpose Audio Amplifiers 输出类型:Digital 输出功率: THD + 噪声: 工作电源电压:3.3 V 电源电流: 最大功率耗散: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel |
| MAX9768ETG+T | 功能描述:音频放大器 10W Mono Class D Speaker RoHS:否 制造商:STMicroelectronics 产品:General Purpose Audio Amplifiers 输出类型:Digital 输出功率: THD + 噪声: 工作电源电压:3.3 V 电源电流: 最大功率耗散: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel |
| MAX9768EVCMAXQU+ | 功能描述:音频放大器 Evaluation Kit/Evaluation System for the MAX9768 RoHS:否 制造商:STMicroelectronics 产品:General Purpose Audio Amplifiers 输出类型:Digital 输出功率: THD + 噪声: 工作电源电压:3.3 V 电源电流: 最大功率耗散: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel |
| MAX9768EVKIT+ | 功能描述:音频 IC 开发工具 MAX9768 Eval Kit RoHS:否 制造商:Texas Instruments 产品:Evaluation Kits 类型:Audio Amplifiers 工具用于评估:TAS5614L 工作电源电压:12 V to 38 V |
| MAX976ESA | 功能描述:校验器 IC Dual High Speed Comparator RoHS:否 制造商:STMicroelectronics 产品: 比较器类型: 通道数量: 输出类型:Push-Pull 电源电压-最大:5.5 V 电源电压-最小:1.1 V 补偿电压（最大值）:6 mV 电源电流（最大值）:1350 nA 响应时间: 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:SC-70-5 封装:Reel |
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