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参数资料
| 型号： | MAX9767ETJ+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 12/33页 |
| 文件大小： | 0K |
| 描述： | IC AMP AUDIO .75W STER AB 32TQFN |
| 标准包装： | 60 |
| 类型： | AB 类 |
| 输出类型： | 2 通道（立体声） |
| 在某负载时最大输出功率 x 通道数量： | 750mW x 2 @ 4 欧姆 |
| 电源电压： | 2.7 V ~ 5.5 V |
| 特点： | 消除爆音，麦克风，静音，短路保护和热保护，关机 |
| 安装类型： | 表面贴装 |
| 供应商设备封装： | 32-TQFN-EP（5x5） |
| 封装/外壳： | 32-WFQFN 裸露焊盘 |
| 包装： | 管件 |
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MAX9765/MAX9766/MAX9767
750mW Audio Amplifiers with Headphone Amp,
Microphone Preamp, and Input Mux
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
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.
VDD to GND ...........................................................................+6V
SVDD to GND .........................................................................+6V
SVDD to VDD.........................................................................-0.3V
PVDD to VDD .......................................................................±0.3V
PGND to GND.....................................................................±0.3V
All Other Pins to GND.................................-0.3V to (VDD + 0.3V)
Output Short-Circuit Duration (to VDD or GND)..........Continuous
Continuous Input Current (into any pin except power-supply
and output pins) ...............................................................±20mA
Continuous Power Dissipation (TA = +70°C)
32-Pin Thin QFN (derate 26.3mW/°C above +70°C) ...2105.3mW
Operating Temperature Range ...........................-40°C to +85°C
Storage Temperature Range .............................-65°C to +150°C
Junction Temperature ......................................................+150°C
Lead Temperature (soldering, 10s) .................................+300°C
ELECTRICAL CHARACTERISTICS
(VDD = PVDD = 3.0V, GND = 0, HPS = MUTE = GND, SHDN = 3V, CBIAS = 1F, RIN = RF = 15k, RL = ∞. TA = TMIN to TMAX, unless
otherwise noted. Typical values are at TA = +25°C.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Supply Voltage Range
VDD/PVDD Inferred from PSRR test
2.7
5.5
V
MAX9765/MAX9767
12
28
Speaker mode
MAX9766
7
17
Quiescent Supply Current
(IVDD + IPVDD)
IDD
Headphone mode, HPS = VDD
717
mA
Shutdown Current
ISHDN
SHDN = GND
5
18
A
Switching Time
tSW
Gain or input switching
(MAX9765/MAX9766)
10
s
CBIAS = 1F, settled to 90%
250
Turn-On/Turn-Off Time
tON/OFF
CBIAS = 0.1F, settled to 90%
25
ms
Input Bias Current
IBIAS
50
nA
Thermal Shutdown Threshold
150
oC
Thermal Shutdown Hysteresis
8
oC
Output Short-Circuit Current
To VDD or GND
1.2
A
STANDBY SUPPLY (SVDD)
VBIAS = 1.25V, VDD = 0V
230
400
Standby Current
ISVDD
VBIAS = 1.5V, VDD = 3V
5
A
OUTPUT AMPLIFIERS (SPEAKER MODE)
Output Offset Voltage
VOS
VOUT_+ - VOUT_-, AV = 1V/V
10
45
mV
VDD = 2.7V to 5.5V
72
85
Power-Supply Rejection Ratio
PSRR
f = 1kHz, VRIPPLE = 200mVP-P
72
dB
RL = 8
450
Output Power
POUT
fIN = 1kHz, THD+N = 1%,
TA = +25
oC (Note 2)
RL = 4
400
750
mW
POUT = 200mW,
RL = 8
0.033
Total Harmonic Distortion Plus
Noise
THD+N
fIN = 1kHz, BW = 22Hz to
22kHz
POUT = 400mW,
RL = 4
0.065
%
Signal-to-Noise Ratio
SNR
RL = 8, VOUT_ = 1.4VRMS, BW = 22Hz to
22kHz
89
dB
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX9767ETJ+ | 功能描述:音频放大器 Integrated Circuits (ICs) 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 |
| MAX9767ETJ+T | 功能描述:音频放大器 Integrated Circuits (ICs) 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 |
| MAX9767ETJ-T | 功能描述:音频放大器 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 |
| MAX9768BETG+ | 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 |
| MAX9768BETG+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 |
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