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| 型号： | MAX9813HEKA+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 1/10页 |
| 文件大小： | 0K |
| 描述： | IC AMP AUDIO MONO AB MIC SOT23-8 |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 1 |
| 类型： | AB 类 |
| 输出类型： | 1-通道（单声道） |
| 电源电压： | 4.5 V ~ 5.5 V |
| 特点： | 输入多路复用器，麦克风，关机，热保护 |
| 安装类型： | 表面贴装 |
| 供应商设备封装： | SOT-23-8 |
| 封装/外壳： | SOT-23-8 |
| 包装： | 标准包装 |
| 产品目录页面： | 1392 (CN2011-ZH PDF) |
| 其它名称： | MAX9813HEKA+TDKR |
General Description
The MAX9812/MAX9813 are single/dual-input, 20dB
fixed-gain microphone amplifiers. They offer tiny pack-
aging and a low-noise, integrated microphone bias,
making them ideal for portable audio applications such
as notebook computers, cell phones, and PDAs. These
amplifiers feature a 500kHz bandwidth, rail-to-rail out-
puts, an industry-leading 100dB power-supply rejection
ratio, and a very low 0.015% THD+N. Power-saving fea-
tures include very low 230A supply current and a total
shutdown mode that cuts the combined supply and
BIAS currents to only 100nA.
The MAX9812 is a single amplifier in a 6-pin SC70
package (2mm x 2.1mm) and the MAX9813 is a dual-
input amplifier available in an 8-pin SOT23 (3mm x
3mm) package. The MAX9813 has two inputs allowing
two microphones to be multiplexed to a single output.
The MAX9812/MAX9813 are offered in two grades. The
MAX9812L/MAX9813L are optimized for 3.3V supply
operation (2.7V to 3.6V). The MAX9812H/MAX9813H are
PC2001 compliant and are optimized for 5V operation
(4.5V to 5.5V). Both devices are specified over the -40°C
to +85°C extended operating temperature range.
Applications
Notebook Computers
PDAs
Smart Phones
Car Kit Adapters
Digital Cameras
Video Tape Recorders
Features
o PC2001 Compliant
o 100dB at 217Hz Power-Supply Rejection Ratio
o Very Low 230A Quiescent Current
o Low 0.015% THD+N
o Available in Two Versions
MAX9812L/MAX9813L—2.7V to 3.6V
MAX9812H/MAX9813H—4.5V to 5.5V
o Internal Low-Noise Microphone Bias Supply
2.3V for MAX9812L/MAX9813L
4.0V for MAX9812H/MAX9813H
o 100nA Low-Power Shutdown Mode
o Rail-to-Rail Outputs
o 20dB Fixed Gain
o Available in Tiny 6-Pin SC70 (2mm x 2.1mm) and
8-Pin SOT23 (3mm x 3mm) Packages
o Extended Temperature Range -40°C to +85°C
19-2840; Rev 2; 9/12
For pricing, delivery, and ordering information, please contact Maxim Direct
at 1-888-629-4642, or visit Maxim’s website at www.maximintegrated.com.
MAX9812/MAX9813
Tiny, Low-Cost, Single/Dual-Input, Fixed-Gain
Microphone Amplifiers with Integrated Bias
Ordering Information
Pin Configurations, Selector Guide, and Typical Operating
Circuits appear at end of data sheet.
PART
TEMP RANGE
PIN-
PACKAGEVCC (V)
MAX9812LEXT+T
-40
°C to +85°C 6 SC70
2.7 to 3.6
MAX9812LEXT/V+T
-40
°C to +85°C 6 SC70
2.7 to 3.6
MAX9812HEXT+T
-40
°C to +85°C 6 SC70
4.5 to 5.5
MAX9813LEKA+T
-40
°C to +85°C 8 SOT23
2.7 to 3.6
MAX9813HEKA+T
-40
°C to +85°C 8 SOT23
4.5 to 5.5
MAX9812
20dB
REFERENCE
2.3V (L VERSION)
4.0V (H VERSION)
IN
BIAS
OUT
SHDN
VCC
GND
MAX9813
20dB
IN1/IN2
REFERENCE
2.3V (L VERSION)
4.0V (H VERSION)
IN2
IN1
BIAS
OUT
SHDN
VCC
GND
Simplified Block Diagrams
+
Denotes a lead(Pb)-free/RoHS-compliant package.
/V denotes an automotive qualified part.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX9813LEKA | 制造商:Maxim Integrated Products 功能描述:TINY LOW-COST SINGLE/DUAL-INPUT - Cut Tape Product 制造商:Rochester Electronics LLC 功能描述: |
| MAX9813LEKA+ | 制造商:Maxim Integrated Products 功能描述:AUD AMP MCRPH 1CH MONO CLS-AB 8PIN SOT-23 - Rail/Tube |
| MAX9813LEKA+T | 功能描述:传声器前置放大器 Dual Fixed Gain Microphone Amp RoHS:否 制造商:Texas Instruments 可用增益调整:Digital control, 65 dB to 0 dB 共模抑制比（最小值）: 输入补偿电压: 最大输入电阻:9200 Ohms 最大工作温度:+ 85 C 封装 / 箱体:SSOP-28 封装:Tube |
| MAX9813LEKA-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 |
| MAX9814ETD+ | 制造商:Maxim Integrated Products 功能描述:AUD AMP MCRPH 1CH MONO CLS-AB 14TDFN EP - Rail/Tube 制造商:Maxim Integrated Products 功能描述:MICROPHONE AMPLIFIER WITH AGC AND L |
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