Datasheet > AAP803

AAP803

更新时间： 2023-12-06 20:02:46

品牌	Logo	应用领域
美国微芯 - MICROCHIP		/
页数	文件大小	规格书
7页	356K
描述
The AAP803AX ECM microphone preamplifier is a chip-scale device developed specifically for integra

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AAP803 数据手册

AAP803Ax

Electret Condenser Microphone Pre-Amplifer

Features

Description

Adjustable Voltage Gain up to 27dB, 100Hz

The AAP803AX ECM microphone preamplifier is a

chip-scale device developed specifically for

to 10kHz

integrating in small form factor two terminal electret

condenser microphones.

Quiescent Current 125µA

Low Voltage Operation 1.5V with 450Ω

Load

The AAP803Ax preamplifier provides reduced input

capacitance, improved noise performance and larger

output swing at a lower supply voltage.

Low Input Capacitance 0.7pF

Low Output Impedance <30Ω

The AAP803Ax is offered in two versions with the part

numbers AAP803A1 and AAP803A3. The AAP803A1

has 3 gain settings (low, mid and high and the A3 has

2 gain settings (mid and max) both are designed with

low quiescent current consumption for use in lower

power typically battery powered applications. The gain

setting is done by selecting the proper FB pin for the

signal path (1, 2, or 1 and 2).

Low Noise <1.3µV RMS Input Noise (A-

weighted, input shorted)

ESD Protection 7.5kV Minimum at Output

High Pass, Low Pass and Band Pass

Filtering with External Components

RoHS Compliant & Halogen Free

The AAP803Ax is provided in a chip scale SMD

package. The package size is 820µm x 550µm; with

an overall height of 315µm including solder bumps.

This extremely small package size and aspect ratio is

optimum for use in small diameter microphones.

Applications

. Small Diameter Electret Microphones

Available for purchase in either waffle pack for low

volume orders or in tape & reel for larger quantities.

Functional Block Diagram

C_C

V_DD

HPF

FB1

FB2

R_L

Microphone

OUT

AGND

AAP803Ax

Figure 1 · Functional Block Diagram

October 2014 Rev. 1.1

www.microsemi.com

12 3 4 5 6 7

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