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參數(shù)資料
| 型號： | MAX9813LEKA+T |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 1/10頁 |
| 文件大小： | 0K |
| 描述： | IC AMP AUDIO MONO AB MIC SOT23-8 |
| 標準包裝： | 1 |
| 類型： | AB 類 |
| 輸出類型： | 1-通道（單聲道） |
| 電源電壓： | 2.7 V ~ 3.6 V |
| 特點： | 輸入多路復(fù)用器，麥克風(fēng)，關(guān)機，熱保護 |
| 安裝類型： | 表面貼裝 |
| 供應(yīng)商設(shè)備封裝： | SOT-23-8 |
| 封裝/外殼： | SOT-23-8 |
| 包裝： | 標準包裝 |
| 其它名稱： | MAX9813LEKA+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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| 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 |
| MAX9814ETD+T | 功能描述:傳聲器前置放大器 Microphone Amplifier RoHS:否 制造商:Texas Instruments 可用增益調(diào)整:Digital control, 65 dB to 0 dB 共模抑制比（最小值）: 輸入補償電壓: 最大輸入電阻:9200 Ohms 最大工作溫度:+ 85 C 封裝 / 箱體:SSOP-28 封裝:Tube |
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| MAX981CPA | 功能描述:校驗器 IC Single Comparator / Reference RoHS:否 制造商:STMicroelectronics 產(chǎn)品: 比較器類型: 通道數(shù)量: 輸出類型:Push-Pull 電源電壓-最大:5.5 V 電源電壓-最小:1.1 V 補償電壓（最大值）:6 mV 電源電流（最大值）:1350 nA 響應(yīng)時間: 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SC-70-5 封裝:Reel |
| MAX981CPA+ | 功能描述:校驗器 IC Single Comparator / Reference RoHS:否 制造商:STMicroelectronics 產(chǎn)品: 比較器類型: 通道數(shù)量: 輸出類型:Push-Pull 電源電壓-最大:5.5 V 電源電壓-最小:1.1 V 補償電壓（最大值）:6 mV 電源電流（最大值）:1350 nA 響應(yīng)時間: 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SC-70-5 封裝:Reel |
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