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LMV1032-06 - Amplifiers for 3 Wire Analog Electret Microphones

General Description

The LMV1032 is an audio amplifier series for small form factor electret microphones.

It is designed to replace the JFET preamp currently being used.

The LMV1032 series is ideal for extended battery life applications, such as a bluetooth communication link.

Key Features

  • (Typical LMV1032-06, 1.7V Supply; Unless Otherwise Noted) n Output voltage noise (A-weighted).
  • 97 dBV n Low supply current 60 µA n Supply voltage 1.7V to 5V n PSRR 84 dB n Signal to noise ratio 58 dB n Input capacitance 2 pF > 100 MΩ n Input impedance < 200Ω n Output impedance n Max input signal 300 mVPP n Temperature range.
  • 40˚C to 85˚C n Offered in 1.13 x 1.13 x 0.4mm Ultra Thin micro SMD lead free (NOPB) package.

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Other Datasheets by National Semiconductor (now Texas Instruments)

Part Number Description
LMV1032-15 Amplifiers
LMV1032-25 Amplifiers
LMV1031-20 Amplifier
LMV101 Fixed-Gain Amplifiers
LMV1012 Pre-Amplified ICs for High Gain 2-Wire Microphones
LMV1015 Built-in Gain IC
LMV102 Fixed-Gain Amplifiers
LMV1022 PDM Output Pre-Amplifier
LMV1023 PDM Output Pre-Amplifier
LMV1024 (LMV1024 / LMV1026) PDM Output

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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LMV1032-06/LMV1032-15/LMV1032-25 Amplifiers for 3 Wire Analog Electret Microphones February 2004 LMV1032-06/LMV1032-15/LMV1032-25 Amplifiers for 3 Wire Analog Electret Microphones General Description The LMV1032 is an audio amplifier series for small form factor electret microphones. It is designed to replace the JFET preamp currently being used. The LMV1032 series is ideal for extended battery life applications, such as a bluetooth communication link. The addition of a third pin in electret microphones that incorporate the LMV1032 allows for a dramatic reduction in supply current as compared to the JFET equipped electret microphone. Microphone supply current is thus reduced to 60 µA, assuring longer battery life. The LMV1032 series is guaranteed for supply voltages from 1.