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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 .
(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 Applications n n n n n Mobile communications - Bluetooth Automotive accessories Cellular phones PDAs Accessory microphone products Block Diagram Electret Microphone 20084202 200.
| No. | Partie # | Fabricant | Description | Fiche Technique |
|---|---|---|---|---|
| 1 | LMV1032-06 |
National Semiconductor |
Amplifiers for 3 Wire Analog Electret Microphones |
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| 2 | LMV1032-25 |
National Semiconductor |
Amplifiers |
|
| 3 | LMV1032 |
ETCTI |
LMV1032-06/LMV1032-15/LMV1032-25 Amps for 3-Wire Analog Electret Microphones (Rev. G) |
|
| 4 | LMV1031 |
ETCTI |
LMV1031-20 Amp for Internal 3-Wire Analog Microphones External Preamp (Rev. B) |
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| 5 | LMV1031-20 |
National Semiconductor |
Amplifier |
|
| 6 | LMV101 |
National Semiconductor |
Fixed-Gain Amplifiers |
|
| 7 | LMV1012 |
ETCTI |
LMV1012 Analog Series: Pre-Amplified IC for High Gain 2-Wire Microphones (Rev. H) |
|
| 8 | LMV1012 |
National Semiconductor |
Pre-Amplified ICs for High Gain 2-Wire Microphones |
|
| 9 | LMV1015 |
ETCTI |
LMV1015 Analog Series: Built-in Gain IC for High Sensitivity 2-Wire Microphone (Rev. B) |
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| 10 | LMV1015 |
National Semiconductor |
Built-in Gain IC |
|
| 11 | LMV102 |
National Semiconductor |
Fixed-Gain Amplifiers |
|
| 12 | LMV1022 |
National Semiconductor |
PDM Output Pre-Amplifier |
|