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參數(shù)資料
| 型號： | MAX4466EUK-T |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | Low-Cost, Micropower, SC70/SOT23-8, Microphone Preamplifiers with Complete Shutdown |
| 中文描述： | 1 CHANNEL, AUDIO PREAMPLIFIER, PDSO5 |
| 封裝： | SOT-23, 5 PIN |
| 文件頁數(shù)： | 1/14頁 |
| 文件大?。?/td> | 502K |
| 代理商： | MAX4466EUK-T |
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 24μA 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 A
VOL
, 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 A
VOL
: 125dB (R
L
= 100k
)
o
Rail-to-Rail Outputs
o
Low 24μA Quiescent Supply Current
o
Gain Bandwidth Product:
200kHz (MAX4465/MAX4467/MAX4469)
600kHz A
V
≥
5 (MAX4466/MAX4468)
o
Available in Space-Saving Packages
5-Pin SC70 (MAX4465/MAX4466)
8-Pin SOT23 (MAX4467/MAX4468/MAX4469)
M
Low-Cost, Micropower, SC70/SOT23-8, Microphone
Preamplifiers with Complete Shutdown
________________________________________________________________
Maxim Integrated Products
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
1
19-1950; Rev 1; 4/01
Ordering Information
PART
TEMP. RANGE
-40
°
C to +85
°
C
-40
°
C to +85
°
C
-40
°
C to +85
°
C
-40
°
C to +85
°
C
PIN-PACKAGE
5 SC70-5
5 SOT23-5
5 SC70-5
5 SOT23-5
MAX4465
EXK-T
MAX4465EUK-T
MAX4466
EXK-T
MAX4466EUK-T
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
V
CC
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
R
BIAS
R
FB
V
CC
OUT
IN+
IN-
SHDN
C
BIAS
R
BIAS
R
DC
MIC_BIAS
R
IN
C
IN
C
BYPASS
R
DC
Pin Configurations continued at end of data sheet.
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| MAX4468ESA | Low-Cost, Micropower, SC70/SOT23-8, Microphone Preamplifiers with Complete Shutdown |
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| MAX4468EKA-T | Low-Cost, Micropower, SC70/SOT23-8, Microphone Preamplifiers with Complete Shutdown |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| MAX4466EXK | 制造商:Maxim Integrated Products 功能描述:LOW-COST MICROPOWER SC70/SOT23 MI - Cut Tape Product |
| MAX4466EXK+ | 制造商:Maxim Integrated Products 功能描述:AUD AMP MCRPH 1CH MONO CLS-AB 5PIN SC-70 - Rail/Tube |
| MAX4466EXK+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 |
| MAX4466EXK-T | 功能描述:傳聲器前置放大器 RoHS:否 制造商:Texas Instruments 可用增益調整: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 |
| MAX4467EKA | 制造商:Maxim Integrated Products 功能描述:- Cut Tape Product 制造商:Rochester Electronics LLC 功能描述: |
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