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The LMV1031 audio amplifier is an ideal replacement for the JFET preamplifier that is currently used in the electret microphones. The LMV1031 is optimized for applications that require extended battery life, such as Bluetooth communication links. The supply current for the LMV1031 is only 72 µA. www.DataSheet4U.com This is a dramatic reduction from that requ.
(Typical LMV1031-20, 2V Supply; Unless Otherwise Noted) n Signal to noise ratio 62 dB n Output voltage noise (A-weighted) −86 dBV n Low supply current 72 µA n Supply voltage 2V to 5V > 100 MΩ n Input impedance n Max input signal 108 mVPP n Output voltage 1.09V n Temperature range −40˚C to 85˚C n Large Dome 4-Bump micro SMD package with improved adhesion technology. Applications n n n n Mobile communications - Bluetooth Accessory microphone products Cellular phones PDAs Block Diagram Electret Microphone 20150804 20150801 © 2005 National Semiconductor Corporation DS201508 www.national.com.
| No. | Partie # | Fabricant | Description | Fiche Technique |
|---|---|---|---|---|
| 1 | LMV1031 |
ETCTI |
LMV1031-20 Amp for Internal 3-Wire Analog Microphones External Preamp (Rev. B) |
|
| 2 | LMV1032 |
ETCTI |
LMV1032-06/LMV1032-15/LMV1032-25 Amps for 3-Wire Analog Electret Microphones (Rev. G) |
|
| 3 | LMV1032-06 |
National Semiconductor |
Amplifiers for 3 Wire Analog Electret Microphones |
|
| 4 | LMV1032-15 |
National Semiconductor |
Amplifiers |
|
| 5 | LMV1032-25 |
National Semiconductor |
Amplifiers |
|
| 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) |
|
| 10 | LMV1015 |
National Semiconductor |
Built-in Gain IC |
|
| 11 | LMV102 |
National Semiconductor |
Fixed-Gain Amplifiers |
|
| 12 | LMV1022 |
National Semiconductor |
PDM Output Pre-Amplifier |
|