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| 型号： | MAX9787ETI+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 8/15页 |
| 文件大小： | 0K |
| 描述： | IC AMP AUDIO PWR 2.2W AB 28TQFN |
| 标准包装： | 2,500 |
| 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： | 2.2W x 2 @ 3 欧姆 |
| 电源电压： | 4.5 V ~ 5.5 V |
| 特点： | 消除爆音，短路保护和热保护，关机，音量控制 |
| 安装类型： | 表面贴装 |
| 供应商设备封装： | 28-TQFN-EP（5x5） |
| 封装/外壳： | 28-WFQFN 裸露焊盘 |
| 包装： | 带卷 (TR) |
MAX9787
2.2W Stereo Audio Power Amplifier
with Analog Volume Control
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.
Supply Voltage (VDD, PVDD, CPVDD to GND) .......................+6V
GND to PGND.....................................................................±0.3V
CPVSS, C1N, VSS to GND .........................-6.0V to (GND + 0.3V)
Any Other Pin .............................................-0.3V to (VDD + 0.3V)
Duration of OUT_ Short Circuit to GND or PVDD........Continuous
Duration of OUT_+ Short Circuit to OUT_- .................Continuous
Continuous Current (PVDD, OUT_, PGND) ...........................1.7A
Continuous Current (CPVDD, C1N, C1P, CPVSS, VSS)......850mA
Continuous Input Current (all other pins) .........................±20mA
Continuous Power Dissipation (TA = +70°C)
28-Pin Thin QFN (derate 23.8mW/°C above +70°C) .......1.9W
Junction Temperature ......................................................+150°C
Operating Temperature Range ...........................-40°C to +85°C
Storage Temperature Range .............................-65°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
ELECTRICAL CHARACTERISTICS
(VDD = PVDD = CPVDD = 5V, GND = PGND = CPGND = 0V, SHDN = VDD, CBIAS = 1F, C1 = C2 = 1F, speaker load
terminated between OUT_+ and OUT_-, GAIN1 = GAIN2 = VOL = 0V, TA = TMIN to TMAX, unless otherwise noted. Typical values are
at TA = +25°C.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
GENERAL
Supply Voltage Range
VDD, PVDD
Inferred from PSRR test
4.5
5.5
V
Quiescent Supply Current
IDD
14
29
mA
Shutdown Supply Current
ISHDN
SHDN = GND
0.2
5
A
Bias Voltage
VBIAS
1.7
1.8
1.9
V
Switching Time
tSW
Gain or input switching
10
s
Input Resistance
RIN
Amplifier inputs (Note 2)
10
20
30
k
Turn-On Time
tSON
25
ms
Output Offset Voltage
VOS
Measured between OUT_+ and OUT_-,
TA = +25°C
±0.4
±6mV
PVDD or VDD = 4.5V to 5.5V (TA = +25°C)
75
90
f = 1kHz, VRIPPLE = 200mVP-P
80
Power-Supply Rejection Ratio
(Note 3)
PSRR
f = 10kHz, VRIPPLE = 200mVP-P
55
dB
RL = 8
0.65
0.8
RL = 4
1.2
1.5
Output Power (Note 4)
POUT
THD+N = 1%,
f = 1kHz,
TA = +25°C
RL = 3
2.2
W
RL = 8
, POUT = 500mW, f = 1kHz
0.01
Total Harmonic Distortion Plus
Noise
THD+N
RL = 4
, POUT = 1W, f = 1kHz
0.02
%
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相关代理商/技术参数 |
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| MAX9788EBP+ | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
| MAX9788EBP+T | 制造商:Maxim Integrated Products 功能描述:AUD AMP SPKR 1CH MONO 2.4W CLS-G 20UCSP - Tape and Reel |
| MAX9788ETI+ | 功能描述:音频放大器 14VP-P Class G Cer Speaker Driver 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 |
| MAX9788ETI+ | 制造商:Maxim Integrated Products 功能描述:IC AUDIO PWR AMP CLASS G 2.4W TQFN-28 |
| MAX9788ETI+T | 功能描述:音频放大器 14VP-P Class G Cer Speaker Driver 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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