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| 型号： | MAX9725DETC+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 10/17页 |
| 文件大小： | 0K |
| 描述： | IC AMP AUDIO .025W STER 12TQFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 75 |
| 系列： | DirectDrive® |
| 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： | 25mW x 2 @ 16 欧姆 |
| 电源电压： | 900 mV ~ 1.8 V |
| 特点： | 消除爆音，短路保护，关机 |
| 安装类型： | 表面贴装 |
| 供应商设备封装： | 12-TQFN-EP（4x4） |
| 封装/外壳： | 12-WQFN 裸露焊盘 |
| 包装： | 管件 |
MAX9725
1V, Low-Power, DirectDrive, Stereo Headphone
Amplifier with Shutdown
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.
SGND to PGND .....................................................-0.3V to +0.3V
VDD to SGND or PGND ............................................-0.3V to +2V
VSS to PVSS ...........................................................-0.3V to +0.3V
C1P to PGND..............................................-0.3V to (VDD + 0.3V)
C1N to PGND............................................(PVSS - 0.3V) to +0.3V
VSS, PVSS to GND ....................................................+0.3V to -2V
OUTR, OUTL, INR, INL to SGND
(MAX9725A–MAX9725D)..............(VSS - 0.3V) to (VDD + 0.3V)
OUTR, OUTL to SGND
(MAX9725E) ..................................(VSS - 0.3V) to (VDD + 0.3V)
INR, INL to SGND (MAX9725E)...................................-4V to +4V
SHDN to SGND or PGND .........................................-0.3V to +4V
Output Short-Circuit Current ......................................Continuous
Continuous Power Dissipation (TA = +70
°C)
12-Bump UCSP (derate 6.5mW/
°C above +70°C)....518.8mW
12-Pin Thin QFN (derate 16.9mW/
°C above +70°C) ..1349.1mW
Junction Temperature ......................................................+150
°C
Operating Temperature Range ...........................-40
°C to +85°C
Storage Temperature Range .............................-65
°C to +150°C
Bump Temperature (soldering) Reflow............................+230
°C
Lead Temperature (soldering, 10s) .................................+300
°C
ELECTRICAL CHARACTERISTICS (MAX9725A–MAX9725D)
(VDD = 1.5V, VPGND = VSGND = 0V, VSHDN = 1.5V, VSS = VPVSS, C1 = C2 = 1F, CIN = 1F, RL = ∞, TA = TMIN to TMAX, unless other-
wise noted. Typical values are at TA = +25
°C.) (See the Functional Diagrams.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Supply Voltage Range
VDD
Guaranteed by PSRR test
0.9
1.8
V
Quiescent Supply Current
IDD
Both channels active
2.1
3.3
mA
TA = +25
°C
0.6
10
Shutdown Current
ISHDN
VSHDN = 0V
TA = -40
°C to +85°C30
A
Shutdown to Full Operation
tON
180
s
VIH
VDD = 0.9V to 1.8V
0.7 x VDD
SHDN Thresholds
VIL
VDD = 0.9V to 1.8V
0.3 x VDD
V
SHDN Input Leakage Current
ILEAK
VDD = 0.9V to 1.8V (Note 2)
±1A
CHARGE PUMP
Oscillator Frequency
fOSC
493
580
667
kHz
AMPLIFIERS
MAX9725A
-2.04
-2.00
-1.96
MAX9725B
-1.53
-1.5
-1.47
MAX9725C
-1.02
-1.00
-0.98
Voltage Gain
AV
MAX9725D
-4.08
-4.00
-3.92
V/V
Gain Match
ΔAV
±0.5
%
MAX9725A/MAX9725D
±0.3
±1.05
MAX9725B
±0.45
±1.58
Total Output Offset Voltage
VOS
Input AC-coupled,
RL = 32
Ω to GND,
TA = +25
°C
MAX9725C
±0.6
±2.1
mV
Input Resistance
RIN
15
25
35
k
Ω
VDD = 0.9V to 1.8V, TA = +25
°C60
80
fIN = 1kHz
70
Power-Supply Rejection Ratio
PSRR
100mVP-P ripple
fIN = 20kHz
62
dB
RL = 32
Ω
10
20
VDD = 1.5V
RL = 16
Ω
25
VDD = 1.0V, RL = 32
Ω
7
Output Power (Note 3)
POUT
VDD = 0.9V, RL = 32
Ω
6
mW
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX9725DETC+ | 功能描述:音频放大器 1V 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 |
| MAX9725DETC+T | 功能描述:音频放大器 1V 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 |
| MAX9725DETC-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 |
| MAX9725EC/W WAF | 制造商:Maxim Integrated Products 功能描述: |
| MAX9725EEBC+ | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
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