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參數(shù)資料
| 型號(hào)： | MAX4298 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | Ultra-High PSRR Stereo Drivers + Microphone Amp + 100mA Linear Regulator |
| 中文描述： | 超高PSRR立體聲驅(qū)動(dòng)器 + 麥克風(fēng)放大器 + 100mA線性穩(wěn)壓器 |
| 文件頁(yè)數(shù)： | 1/14頁(yè) |
| 文件大小： | 311K |
| 代理商： | MAX4298 |
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For price, delivery, and to place orders, please contact Maxim Distribution at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.
General Desc ription
The MAX4298 and MAX4299 are audio system ICs
designed for single +5V applications. The MAX4299
features a stereo headphone driver, a microphone
amplifier, and a +3.3V linear regulator; the MAX4298
features the stereo headphone driver only. The
MAX4298/ MAX4299 are designed specifically for harsh
digital environments where board space is at a premi-
um and the digital power supply is noisy. The design
uses innovative design techniques to achieve ultra-high
power-supply rejection across the audio signal band
while, at the same time, delivering a high-current Rail-
to-Rail
output drive capability. The chip is designed to
drive highly capacitive loads that may be encountered
when driving long cables to a remote load such as
desktop/notebook headphones or speakers. These
devices are fully compliant with PC99 standards.
The amplifiers exhibit 115dB of DC power-supply rejec-
tion and 80dB at 100kHz. The output amplifiers are
capable of driving a 1.5V
RMS
signal into a 10k
load
with 0.0008% THD+N. They can also drive 32
head-
phones to 1.2V
RMS
with 0.02% distortion. At +3.3V, the
linear regulator can output 100mA of current. The
MAX4298 is available in a tiny 10-pin μMAX while the
MAX4299 is available in the space-saving 16-pin
TSSOP package.
________________________Applic ations
Notebook and Desktop Audio
Hands-Free Headsets
USB Audio Peripherals
IP Telephones
Wireless Internet Devices
MP3 Players/Recorders
Features
o
Audio System IC (MAX4299)
Ultra-High PSRR Stereo Headphone Driver
Ultra-High PSRR Microphone Amp
100mA, 3.3V Linear Regulator
o
93dB typ PSRR at 20kHz Operates Directly from
Noisy Digital Supplies
o
Clickless/Popless Power-Up, Power-Down, Mute
and Unmute
o
PC99-Compliant Output Drivers:
Better than 1V
RMS
Output into 16
Load and
1.5V
RMS
and 0.0008% THD+N into 10k
Load
o
PC99-Compliant Microphone Amplifier:
0.005% THD+N into 10k
Load
o
22nF Capacitive Load Drive Capability
o
4.5V to 5.5V Single-Supply Operation
o
Internally Generated Bias Voltage
o
All Gains Externally Adjustable
o
Available in Space-Saving Packages
10-Pin μMAX (MAX4298)
16-Pin TSSOP (MAX4299)
M
Ultra-High PS RR S tereo Drivers +
Mic rophone Amp + 100mA Linear Regulator
________________________________________________________________
Maxim Integrated Products
1
TOP VIEW
1
2
3
4
5
10
9
8
7
6
V
CC
OUT2
IN2
BIAS
IN1
GND
OUT1
MAX4298
μ
MAX
MUTE
SV
CC
C
BYPASS
PS RR vs. Frequenc y
19-1743; Rev 1; 2/01
Ordering Information
Rail-to-Rail is a registered trademark of Nippon Motorola, Ltd.
Typical Operating Circuit appears at end of data sheet.
PART
TEMP. RANGE
-40
o
C to +85
°
C
-40
o
C to +85
°
C
-40
o
C to +85
°
C
-40
o
C to +85
°
C
PIN-PACKAGE
10 μMAX
14 SO
20 SO
16 TSSOP
MAX4298
EUB
MAX4298ESD
MAX4299
EWP
MAX4299EUE
Pin Configurations
100
1k
FREQUENCY (Hz)
10k
100k
P
-50
-150
-140
-130
-120
-110
-100
-90
-60
-70
-80
M
Pin Configurations continued at end of data sheet.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MAX4298ESD | Ultra-High PSRR Stereo Drivers + Microphone Amp + 100mA Linear Regulator |
| MAX4299 | Ultra-High PSRR Stereo Drivers + Microphone Amp + 100mA Linear Regulator |
| MAX4299EUE | Ultra-High PSRR Stereo Drivers + Microphone Amp + 100mA Linear Regulator |
| MAX4298EUB | Ultra-High PSRR Stereo Drivers + Microphone Amp + 100mA Linear Regulator |
| MAX4299EWP | Ultra-High PSRR Stereo Drivers + Microphone Amp + 100mA Linear Regulator |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX4298ESD | 功能描述:音頻放大器 RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| MAX4298ESD+ | 功能描述:音頻放大器 High PSRR Stereo Driver + Mic Amp RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| MAX4298ESD+T | 功能描述:音頻放大器 High PSRR Stereo Driver + Mic Amp RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| MAX4298ESD-T | 功能描述:音頻放大器 RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| MAX4298EUB | 功能描述:音頻放大器 RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
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