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MAX4060ETA+T

更新时间: 2024-11-19 13:10:31
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美信 - MAXIM 放大器
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17页 514K
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MAX4060ETA+T 数据手册

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19-2408; Rev 2; 5/05  
Differential Microphone Preamplifiers with  
Internal Bias and Complete Shutdown  
General Description  
Features  
2.4V to 5.5V Single-Supply Operation  
The MAX4060/MAX4061/MAX4062 are differential-input  
microphone preamplifiers optimized for notebook and  
PDA audio systems. These devices feature adjustable  
gain with excellent power-supply rejection and com-  
mon-mode rejection ratios, making them ideal for low-  
noise applications in portable audio systems.  
Adjustable Gain or Fixed-Gain Options  
High PSRR (86dB at 1kHz)  
High CMRR (70dB at 1kHz)  
Low Input-Referred Noise  
Integrated Microphone Bias  
750µA Supply Current  
The MAX4060/MAX4062 are capable of switching their  
output between the differential input and a single-  
ended auxiliary microphone amplifier input. In addition,  
the MAX4060/MAX4062 have a low-noise microphone  
bias generator. The differential gain of the  
MAX4061/MAX4062 is set with a single resistor. The  
MAX4060 has a fixed gain of 10V/V and is PC99/2001  
compliant. The MAX4061 includes a complete shut-  
down mode. In shutdown, the supply current is  
reduced to 0.3µA and the current to the microphone  
bias is cut off for ultimate power savings.  
0.3µA Shutdown Current  
4kV ꢀSꢁ Protection (AꢂUXIN)  
Rail-to-Rail Outputs  
THꢁ+N: 0.04% at 1kHz  
Available in Space-Saving Packages  
8-Pin Thin QFN (MAU4060/MAU4061)  
8-Pin µMAU (MAU4060/MAU4061)  
10-Pin µMAU (MAU4062)  
The MAX4060 operates from a 4.5V to 5.5V single sup-  
ply and the MAX4061/MAX4062 operate from 2.4V to  
5.5V. All devices are specified over the extended oper-  
ating temperature range, -40°C to +85°C. The  
MAX4060/MAX4061 are available in tiny 8-pin thin QFN  
Typical Operating Circuit  
®
(3mm x 3mm x 0.8mm) and 8-pin µMAX packages.  
The MAX4062 is available in a 10-pin µMAX package.  
2.4V TO 5.5V  
4
Applications  
USB Audio Peripherals  
BIAS  
Notebook Audio  
Systems  
V
CC  
AES-42-Compliant  
Microphones  
Tablet PCs  
MAX4060  
PDA Audio Systems  
Signal Conditioning  
AUX_IN  
8
x10  
INT/AUX  
1
Ordering Information  
BIAS  
TꢀMP  
RANGꢀ  
PIN-  
PACKAGꢀ  
TOP  
MARK  
OUT  
2
PART  
5
IN+  
IN-  
MAU4060ETA  
MAX4060EUA  
MAU4061ETA  
MAX4061EUA  
MAU4062EUB  
-40°C to +85°C  
-40°C to +85°C  
-40°C to +85°C  
-40°C to +85°C  
-40°C to +85°C  
8 Thin QFN-EP*  
8 µMAX  
ABY  
x10  
V
8 Thin QFN-EP*  
8 µMAX  
ABZ  
6
BIAS  
3
BIAS  
10 µMAX  
BIAS  
*EP = Exposed paddle.  
GND  
7
Pin Configurations and Selector Guide appear at end of  
data sheet.  
µMAX is a registered trademark of Maxim Integrated Products, Inc.  
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX Maxim Integrated Products  
1
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.  

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