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| 型號(hào)： | ISL99201IRTDZ-TK |
| 廠(chǎng)商： | Intersil |
| 文件頁(yè)數(shù)： | 1/11頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC AMP AUDIO 1.5W MONO D 8TDFN |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 類(lèi)型： | D 類(lèi) |
| 輸出類(lèi)型： | 1-通道（單聲道） |
| 在某負(fù)載時(shí)最大輸出功率 x 通道數(shù)量： | 1.4W x 1 @ 8 歐姆 |
| 電源電壓： | 2.4 V ~ 5.5 V |
| 特點(diǎn)： | 消除爆音，差分輸入，短路和熱保護(hù)，關(guān)閉 |
| 安裝類(lèi)型： | 表面貼裝 |
| 供應(yīng)商設(shè)備封裝： | 8-TDFN（3x3） |
| 封裝/外殼： | 8-WDFN 裸露焊盤(pán) |
| 包裝： | 標(biāo)準(zhǔn)包裝 |
| 其它名稱(chēng)： | ISL99201IRTDZ-TKDKR |
1
FN6742.2
ISL99201
Filterless High Efficiency 1.5W Class D
Mono Amplifier
The ISL99201 is a fully integrated high efficiency class-D
mono amplifier. It is designed to maximize performance for
mobile phone applications. The application circuit requires a
minimum requirement of external components and operates
from a 2.4V to 5.5V input supply. It is capable of delivering
1.4W of continuous output power with less than 1% THD+N
driving a 8 load from a 5V supply.
The ISL99201 features a high-efficiency, low-noise
modulation scheme. It operates with 86% efficiency at
400mW into 8 and has a signal-to-noise ratio (SNR) that is
better than 95dB. The ISL99201 has a micro-power
shutdown mode with a typical shutdown current of 200nA.
Shutdown is enabled by applying a logic low to the SD pin.
The architecture of the devices allows it to achieve very low
level of pop-and-click. This minimizes voltage glitches at the
output during turn-on and turn-off, thus reducing audible
noise on activation and deactivation.
The fully differential input of the ISL99201 provides excellent
rejection of common mode noise on the input typically 75dB.
EMI suppression is achieved by SRC (Slew Rate Control).
The ISL99201 oscillator can be synchronized to an external
clock through the SYNC input, allowing the switching
frequency to be externally defined. The SYNC input also
allows multiple ISL99201 to be cascaded and frequency
locked; minimizing interference due to clock intermodulation.
The ISL99201 also has excellent rejection of power supply
noise, including noise caused by GSM transmission bursts
and RF rectification. PSRR is typically 75dB at 217Hz. There
will be 4 versions of the part; they will consist of three fixed
gain settings (6dB, 9. 6dB, 12dB) and one user
programmable gain setting (need external resistors).
The ISL99201 has built-in thermal shutdown and output
short-circuit protection.
Features
Filterless class D with efficiency > 86% at 400mW
Click-pop suppression
Slew rate control
Spread spectrum switching
Optional SYNC pin for master/slave operation without
interface
1.4W into 8 with less than 1% THD+N
2.4V to 5.5V single supply voltage
Built-in resistors to reduce board component count
Only one external component required (Fixed gain mode)
Short circuit and thermal protection
Gain programmable 6dB, 9.6dB, 12dB and User
programmable
Pb-Free (RoHS compliant)
Applications
Mobile phones
MP3 players
Portable gaming
Portable electronics
Educational toys
Data Sheet
November 1, 2013
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-468-3774
| Copyright Intersil Americas LLC 2009, 2012, 2013. All Rights Reserved
Intersil (and design) is a trademark owned by Intersil Corporation or one of its subsidiaries.
All other trademarks mentioned are the property of their respective owners.
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