The ZTS6556 is a high quality, low cost, low power analog output bottom-ported omni-directional MEMS microphone.ZTS6556 consists of a MEMS microphone element and an preamplifier. ZTS6556 has a high SNR and flat wideband frequency response, resulting in natural sound with high intelligibility. Extra EMI filter for RF noise attenuation is built inside. Due to the built-in filter, ZTS6556 shows high immunity to EMI. The ZTS6556 is available in a thin 2.75mm × 1.85mm × 0.90mm surface-mount package. It is reflow solder compatible with no sensitivity degradation. The ZTS6556 is halide free.