The CXAR41188 is a dual audio power amplifier capable of delivering 145mW per channel of continuous average power with less than 0.1% distortion（THD）when it drives a 16Ω speaker from a 5.0V power supply. It is designed to maximize audio performance in portable applications such as mobile phone. The portable application requires audio power amplifierhas minimum of external components and can operate from a single 2.5V to 5.5V power supply
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[ CXAR41188 ]"
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产品概述 返回TOP
The CXAR41188 is a dual audio power amplifier capable of delivering 145mW per channel of continuous average power with less than 0.1% distortion（THD）when it drives a 16Ω speaker from a 5.0V power supply. It is designed to maximize audio performance in portable applications such as mobile phone. The portable application requires audio power amplifierhas minimum of external components and can operate from a single 2.5V to 5.5V power supply.
CXAR41188 features an externally controlled, active-low, micropower consumption shutdown mode, as well as an internal thermal shutdown protection mechanism.
CXAR41188 does not require bootstrap capacitors or snubber networks. It is optimally suited for low-power portable systems.
For maximum flexibility, the CXAR41188 provides an externally controlled gain (with resistors), as well as an externally controlled turn-on time (with the bypass capacitor).
The CXAR41188 is available in Green TDFN-2×2-8L package. It operates over an ambient temperature range of -40℃ to +85℃.
产品特点 返回TOP
• Active-Low Shutdown Mode
• 145mW into 16Ω Load from 5V Power Supply at
THD+N = 0.1% Typical (per Channel)
• 85mW into 32Ω Load from 5V Power Supply at
THD+N = 0.1% Typical (per Channel)
• Unity Gain Stable
• Shutdown Current: 0.02μA (TYP)
• 2.5V to 5.5V Operation
• Shutdown Pin is Compatible with 1.8V Logic
• Click and Pop Reduction Circuitry
• -40℃ to +85℃ Operating Temperature Range
• Green TDFN-2×2-8L Package
应用范围 返回TOP
Portable Systems
Headphone Amplifier
Microphone Preamplifier
Notebook Computers
Mobile Phone
PDAs
GPS
技术规格书（产品PDF) 返回TOP
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产品封装图 返回TOP
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耳机驱动器 |
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Part Number |
CH |
SHDN |
VCC(Min) (V) |
VCC(Max)(V) |
Differential Input |
Output Power/CH @RL=16Ω(mW) |
Output Power/CH @RL=32Ω(mW) |
Package |
|
Stereo |
L |
2.5 |
5.5 |
N |
158 |
87 |
MSOP-8 |
|
|
Stereo |
H |
2.5 |
5.5 |
N |
158 |
87 |
MSOP-8 |
|
|
Stereo |
H |
2.7 |
5.5 |
Y |
132 |
82 |
MSOP-10 |
|
|
Stereo |
L |
2.7 |
5.5 |
N |
95 |
TQFN-4x4-20L |
||
|
Stereo |
L |
2.5 |
5.5 |
N |
145 |
85 |
TDFN-2x2-8L |
|
|
Stereo |
L |
2.7 |
5.5 |
N |
88 |
TQFN-3x3-12L |
||
|
Stereo |
L |
2.7 |
5.5 |
Y |
80 |
TQFN-3x3-16L |
||
|
Stereo |
L |
2.7 |
5.1 |
N |
80 |
TDFN-3x3-10L |
||
