The LMV1012 is an audio amplifier series for small form factor electret microphones. This 2-wire portfolio is designed to replace the JFET amplifier currently being used. The LMV1012 series is ideally suited for applications requiring high signal integrity in the presence of ambient or RF noise, such as in cellular communications. The LMV1012 audio amplifiers are specified 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 accuracy and temperature stability as compared to a JFET microphone.
The LMV1012 series enables a two-pin electret microphone solution, which provides direct pin-to-pin compatibility with the existing JFET market.
The devices are offered in extremely thin space saving 4-bump DSBGA packages. The LMV1012XP is designed for 1.0 mm canisters and thicker ECM canisters. These extremely miniature packages are designed for electret condenser microphones (ECM) form factor.
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| Gain range (dB) | Fixed Gain, 7.8dB, 15.6dB, 20.9dB, 23.8dB |
| Input voltage noise (typ) (nV√Hz) | 56 |
| Power supply (typ) (V) | 2 to 5 |
| Iq (typ) (mA) | 0.158, 0.16, 0.188, 0.2 |
| Interface type | Analog 3 Wire |
| Operating temperature range (°C) | -40 to 85 |
| Rating | Catalog |
| DSBGA (YPB) | 4 | 1.5625 mm² 1.25 x 1.25 |
| DSBGA (YPC) | 4 | 1.5625 mm² 1.25 x 1.25 |
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