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| 型号： | MAX9768ETG+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 12/26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： | 2,500 |
| 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： | 带卷 (TR) |
MAX9768
10W Mono Class D Speaker
Amplifier with Volume Control
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS
(VPVDD = 12V, VDD = 3.3V, VGND = VPGND = 0, V SHDN = VDD, VMUTE = 0; Max volume setting; speaker load resistor connected
between OUT+ and OUT-, RL =
∞, unless otherwise noted. CBIAS = 2.2F, C1 = C2 = 0.1F, CIN = 0.47F, RIN = 20kΩ, RF = 30kΩ,
SSM mode. Filterless modulation mode (see the
Functional Diagram/Typical Application Circuit). TA = TMIN to TMAX, unless otherwise
noted. Typical values are at TA = +25°C.) (Note 1)
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
PVDD to PGND........................................................-0.3V to +16V
VDD to GND ..............................................................-0.3V to +4V
SCLK, SDA/VOL to GND ..........................................-0.3V to +4V
FB, SYNCOUT ............................................-0.3V to (VDD + 0.3V)
BOOT_ to OUT_........................................................-0.3V to +4V
OUT_ to GND ...........................................-0.3V to (PVDD + 0.3V)
PGND to GND ......................................................-0.3V to +0.3V
Any Other Pin to GND ..............................................-0.3V to +4V
OUT_ Short-Circuit Duration.......................................Continuous
Continuous Current (PVDD, PGND, OUT_) ..........................2.2A
Continuous Input Current (Any Other Pin) .......................±20mA
Continuous Input Current (FB_) .......................................±60mA
Continuous Power Dissipation (TA = +70°C)
Single-Layer Board:
24-Pin Thin QFN 4mm x 4mm,
(derate 20.8mW/°C above +70°C) .................................1.67W
Multilayer Board:
24-Pin Thin QFN 4mm x 4mm,
(derate 27.8mW/°C above +70°C) .................................2.22W
θJA, Single-Layer Board…...........................................….48°C/W
θJA, Multilayer Board ...................................................….36°C/W
Operating Temperature Range ...........................-40°C to +85°C
Storage Temperature Range .............................-65°C to +150°C
Lead Temperature (soldering, 10s) ................................+300°C
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
GENERAL
Speaker Supply Voltage
Range
PVDD
Inferred from PSRR test
4.5
14.0
V
Supply Voltage Range
VDD
Inferred from PSRR and UVLO test
2.7
3.6
V
IVDD
7
14.2
Filterless modulation
4
7.6
Quiescent Current
IPVDD
Classic PWM modulation
4
7.6
mA
Shutdown Current
ISHDN
ISHDN = IPVDD + IDD, SHDN = GND, TA = +25°C
0.5
50
A
Filterless modulation, VMUTE = VDD, TA = +25°C
±2
±12.5
Output Offset
VOS
Filterless modulation, VMUTE = 0V, TA = +25°C
±2
±14
mV
MAX9768
220
Turn-On Time
tON
MAX9768B
15
ms
Common-Mode Bias Voltage
VBIAS
1.5
V
Input Amplifier Output-
Voltage Swing High
VOH
Specified as
VDD - VOH
RL = 2k
Ω connect to 1.5V
3.6
100
mV
Input Amplifier Output-
Voltage Swing Low
VOL
Specified as
VOL - GND
RL = 2k
Ω connect to 1.5V
6
50
mV
Input Amplifier Output
Short-Circuit Current Limit
±60
mA
Input Amplifier Gain-
Bandwidth Product
GBW
1.8
MHz
SPEAKER AMPLIFIERS
Internal Gain
AVMAX
Max volume setting; from FB to amplifier outputs
|(OUT+) - (OUT-)|; excludes external gain
resistors
29.27
30.1
31.00
dB
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相关代理商/技术参数 |
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|---|---|
| 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 |
| 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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