LMV1012 Pre-Amplified ICs for High Gain 2-Wire Microphones

National Semiconductor

Description

LMV1012 Analog Series Pre-Amplified IC’s for High Gain 2-Wire Microphones August 2004 LMV1012 Analog Series: Pre-Amplified IC’s for High Gain 2-Wire.
The LMV1012 is an audio amplifier series for small form factor electret microphones.

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Datasheet Specifications

Part number: LMV1012
Manufacturer: National Semiconductor
File Size: 497.34 KB
Datasheet: LMV1012_NationalSemiconductor.pdf
Description: Pre-Amplified ICs for High Gain 2-Wire Microphones

Features

* (Typical LMV1012-15, 2.2V supply, RL = 2.2 kΩ, C = 2.2 µF, VIN = 18 mVPP, unless otherwise specified) n Supply voltage 2V - 5V < 180 µA n Supply current n Signal to noise ratio (A-weighted) 60 dB n Output voltage noise (A-weighted)
* 89 dBV n Total harmonic distortion 0.09% n Voltage gain

Applications

* requiring high signal integrity in the presence of ambient or RF noise, such as in cellular communications. The LMV1012 audio amplifiers are guaranteed to operate over a 2.2V to 5.0V supply voltage range with fixed gains of 7.8 dB, 15.6 dB, 20.9 dB, and 23.8 dB. The devices offer excellent THD, gain

LMV1012 Distributors

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LMV1012 Pre-Amplified ICs for High Gain 2-Wire Microphones National Semiconductor

National Semiconductor LMV1012-like datasheet