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参数资料
| 型号： | MAX9720AEUE+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 12/21页 |
| 文件大小： | 0K |
| 描述： | IC AMP AUDIO .05W STER 16TSSOP |
| 标准包装： | 2,500 |
| 系列： | DirectDrive®, SmartSense™ |
| 类型： | AB 类 |
| 输出类型： | 耳机，2-通道（立体声） |
| 在某负载时最大输出功率 x 通道数量： | 50mW x 2 @ 32 欧姆 |
| 电源电压： | 1.8 V ~ 3.6 V |
| 特点： | 消除爆音，短路保护和热保护，关闭 |
| 安装类型： | 表面贴装 |
| 供应商设备封装： | 16-TSSOP |
| 封装/外壳： | 16-TSSOP（0.173"，4.40mm 宽） |
| 包装： | 带卷 (TR) |
MAX9720
50mW, DirectDrive, Stereo Headphone
Amplifier with SmartSense and Shutdown
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS
(VDD = VMODE1 = VMODE2 = 3.0V, PGND = SGND = 0V, RL =
∞, C1 = C2 = 2.2F. 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.
PGND to SGND .....................................................-0.3V to +0.3V
PVSS to SVSS .........................................................-0.3V to +0.3V
VDD to PGND or SGND ............................................-0.3V to +4V
PVSS and SVSS to PGND or SGND ..........................-4V to +0.3V
IN_, OUT_, and HPS to SGND .......(SVSS - 0.3V) to (VDD + 0.3V)
C1P to PGND ...............................(PGND - 0.3V) to (VDD + 0.3V)
C1N to PGND .............................(PVSS - 0.3V) to (PGND + 0.3V)
ALERT to PGND .......................................................-0.3V to +4V
MODE_ to PGND ........................................-0.3V to (VDD + 0.3V)
TIME to SGND ............................................-0.3V to (VDD + 0.3V)
Output Short Circuit to GND or VDD ...............................Continuous
Continuous Power Dissipation (TA = +70°C)
16-Bump UCSP (derate 8.2mW/°C above +70°C) .......659mW
16-Pin TSSOP (derate 9.4mW/°C above +70°C) .......754.7mW
Junction Temperature ......................................................+150°C
Operating Temperature Range ...........................-40°C to +85°C
Storage Temperature Range .............................-65°C to +150°C
Bump Temperature (soldering)
Reflow ...........................................................................+235°C
Lead Temperature (soldering, 10s) .................................+300°C
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
GENERAL
Supply Voltage Range
VDD
Inferred from PSRR test
1.8
3.6
V
Stereo mode
5
8.4
Supply Current
IDD
Mono mode (MODE1 = VDD, MODE2 = GND)
3
mA
Shutdown Supply Current
ISHDN
MODE1 = MODE2 = GND
6
10
A
Turn-On/Turn-Off Time
tS
250
s
CHARGE PUMP
Oscillator Frequency
fOSC
272
320
368
kHz
HEADPHONE AMPLIFIERS
MAX9720A
-1.02
-1
-0.98
Voltage Gain
AV
MAX9720B
-1.443
-1.415
-1.386
V/V
Gain Match
AV
Between OUTL and OUTR
±1%
MAX9720A
-5
-0.8
+3.6
Total Output Offset Voltage
(Note 3)
VOS
MAX9720B
-6.5
-1
+4.5
mV
Input Resistance
RIN
10
15
20
k
1.8V
≤ VDD ≤ 3.6V
(Note 3)
DC
76
92
fRIPPLE = 217Hz
92
fRIPPLE = 1kHz
86
Power-Supply Rejection Ratio
PSRR
VDD = 3.0V,
200mVP-P ripple
(Note 3)
fRIPPLE = 20kHz
61
dB
RL = 32
50
Output Power
POUT
THD+N = 1%, fIN =
1kHz, TA = +25°C
RL = 16
32
50
mW
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| MAX9720BEBE | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
| MAX9720BEBE+ | 制造商:Maxim Integrated Products 功能描述:AUD AMP HDPH 2CH STEREO 0.05W CLS-AB 16UCSP - Rail/Tube |
| MAX9720BEBE+T | 功能描述:音频放大器 50mW DirectDrive Headphone Amplifier 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 |
| MAX9720BEBE-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 |
| MAX9720BEUE | 制造商:Maxim Integrated Products 功能描述:50MW, DIRECTDRIVE, STEREO HEADPHONE AMPLIFIER - Rail/Tube |
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