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參數(shù)資料
| 型號(hào)： | MAX4468EKA+T |
| 廠商： | Maxim Integrated Products |
| 文件頁(yè)數(shù)： | 1/12頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC PREAMP AUDIO MONO AB SOT23-8 |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 2,500 |
| 類(lèi)型： | AB 類(lèi) |
| 輸出類(lèi)型： | 1-通道（單聲道） |
| 電源電壓： | 2.4 V ~ 5.5 V |
| 特點(diǎn)： | 麥克風(fēng)，關(guān)機(jī) |
| 安裝類(lèi)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： | 帶卷 (TR) |
General Description
The MAX4465–MAX4469 are micropower op amps opti-
mized for use as microphone preamplifiers. They pro-
vide the ideal combination of an optimized gain
bandwidth product vs. supply current, and low voltage
operation in ultra-small packages. The MAX4465/
MAX4467/MAX4469 are unity-gain stable and deliver a
200kHz gain bandwidth from only 24A of supply cur-
rent. The MAX4466/MAX4468 are decompensated for a
minimum stable gain of +5V/V and provide a 600kHz
gain bandwidth product. In addition, these amplifiers
feature Rail-to-Rail outputs, high AVOL, plus excellent
power-supply rejection and common-mode rejection
ratios for operation in noisy environments.
The MAX4467/MAX4468 include a complete shutdown
mode. In shutdown, the amplifiers’ supply current is
reduced to 5nA and the bias current to the external
microphone is cut off for ultimate power savings. The
single MAX4465/MAX4466 are offered in the ultra-small
5-pin SC70 package, while the single with shutdown
MAX4467/MAX4468 and dual MAX4469 are available in
the space-saving 8-pin SOT23 package.
Applications
Microphone Preamplifiers
Hearing Aids
Cellular Phones
Voice-Recognition Systems
Digital Dictation Devices
Headsets
Portable Computing
Features
o +2.4V to +5.5V Supply Voltage Operation
o Versions with 5nA Complete Shutdown Available
(MAX4467/MAX4468)
o Excellent Power-Supply Rejection Ratio: 112dB
o Excellent Common-Mode Rejection Ratio: 126dB
o High AVOL: 125dB (RL = 100k)
o Rail-to-Rail Outputs
o Low 24A Quiescent Supply Current
o Gain Bandwidth Product:
200kHz (MAX4465/MAX4467/MAX4469)
600kHz AV ≥ 5 (MAX4466/MAX4468)
o Available in Space-Saving Packages
5-Pin SC70 (MAX4465/MAX4466)
8-Pin SOT23 (MAX4467/MAX4468/MAX4469)
MAX4465–MAX4469
Low-Cost, Micropower, SC70/SOT23-8, Microphone
Preamplifiers with Complete Shutdown
19-1950; Rev 2; 6/12
1
For pricing, delivery, and ordering information, please contact Maxim Direct
at 1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
Ordering Information
PART
TEMP RANGE
PIN-PACKAGE
MAX4465EXK+T
-40°C to +85°C
5 SC70
MAX4465EUK+T
-40°C to +85°C
5 SOT23
MAX4466EXK+T
-40°C to +85°C
5 SC70
MAX4466EUK+T
-40°C to +85°C
5 SOT23
Rail-to-Rail is a registered trademark of Nippon Motorola, Ltd.
Ordering Information continued at end of data sheet.
TOP VIEW
GND
OUT
IN-
1
+
5
VCC
IN+
MAX4465
MAX4466
SC70/SOT23
2
3
4
Pin Configurations
Typical Operating Circuit
MAX4467
MAX4468
GND
MICROPHONE
CAPSULE
MAX4467/MAX4468 TYPICAL OPERATING CIRCUIT WITH
COMPLETE SHUTDOWN
RBIAS
RFB
VCC
OUT
IN+
IN-
SHDN
CBIAS
RBIAS
RDC
MIC_BIAS
RIN
CIN
CBYPASS
RDC
Pin Configurations continued at end of data sheet.
+
Denotes a lead(Pb)-free/RoHS-compliant package.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX4468ESA | 制造商:Maxim Integrated Products 功能描述:LOW-COST, MICROPOWER, SC70/SOT23-8, MICROPHON - Bulk |
| MAX4468ESA+ | 制造商:Maxim Integrated Products 功能描述: |
| MAX4469EKA | 制造商:Maxim Integrated Products 功能描述:LOW-COST MICROPOWER SC70/SOT23-8 - Cut Tape Product 制造商:Rochester Electronics LLC 功能描述: |
| MAX4469EKA+ | 制造商:Maxim Integrated Products 功能描述:AUD AMP MCRPH 1CH MONO CLS-AB 8PIN SOT-23 - Rail/Tube |
| MAX4469EKA+T | 功能描述:傳聲器前置放大器 uPower Microphone Preamplifier 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(bǔ)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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