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MAX4060 Datasheet

  • MAX4060

  • Dual Microphone Preamplifier+Integrated Bias

  • 443.79KB

  • Maxim   Maxim

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19-2408; Rev 1; 1/03
Differential Microphone Preamplifiers with
Internal Bias and Complete Shutdown
General Description
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.
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 0.3碌A and the current to the microphone
bias is cut off for ultimate power savings.
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掳C to +85掳C. The
MAX4060/MAX4061 are available in tiny 8-pin thin QFN
(3mm x 3mm x 0.8mm) and 8-pin 碌MAX packages. The
MAX4062 is available in a 10-pin 碌MAX package.
o
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Features
2.4V to 5.5V Single-Supply Operation
Adjustable Gain or Fixed-Gain Options
High PSRR (86dB at 1kHz)
High CMRR (70dB at 1kHz)
Low Input-Referred Noise
Integrated Microphone Bias
750碌A Supply Current
0.3碌A Shutdown Current
卤4kV ESD Protection (AUX_IN)
Rail-to-Rail
庐
Outputs
THD+N: 0.04% at 1kHz
Available in Space-Saving Packages
8-Pin Thin QFN (MAX4060/MAX4061)
8-Pin 碌MAX (MAX4060/MAX4061)
10-Pin 碌MAX (MAX4062)
MAX4060/MAX4061/MAX4062
Typical Operating Circuit
2.4V TO 5.5V
BIAS
4
V
CC
Applications
Notebook Audio
Systems
Tablet PCs
PDA Audio Systems
USB Audio Peripherals
AES-42-Compliant
Microphones
Signal Conditioning
MAX4060
8 AUX_IN
x10
INT/AUX 1
Ordering Information
PART
MAX4060ETA
MAX4060EUA
MAX4061ETA
MAX4061EUA
MAX4062EUB
TEMP
RANGE
-40掳C to +85掳C
-40掳C to +85掳C
-40掳C to +85掳C
-40掳C to +85掳C
-40掳C to +85掳C
PIN-
PACKAGE
8 Thin QFN-EP*
8 碌MAX
8 Thin QFN-EP*
8 碌MAX
10 碌MAX
TOP
MARK
ABY
鈥?/div>
ABZ
鈥?/div>
鈥?/div>
BIAS
OUT 2
5 IN+
x10
6 IN-
V
BIAS
GND
BIAS
3
BIAS
*EP = Exposed paddle.
Pin Configurations and Selector Guide appear at end of
data sheet.
Rail-to-Rail is a registered trademark of Nippon Motorola, Ltd.
7
________________________________________________________________
Maxim Integrated Products
1
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim鈥檚 website at www.maxim-ic.com.

MAX4060 PDF文件相关型号

MAX4060-MAX4062,MAX4061,MAX4061ETA,MAX4061EUA,MAX4062,MAX4062EUB

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