UDA1342TS/N1,512

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The UDA1342TS/N1,512 IC (Integrated Circuit) is a digital-to-analog converter (DAC) intended for headphone applications. It is a low-power and small-sized interface-CODEC (coder/decoder) that enables audio amplification. It provides 16-bit resolution with an audio sampling frequency of up to 512 kHz over an I2S (Inter-IC Sound) interface. This third-generation UDA1342 IC is designed for car stereo systems, portable stereos, boom-box systems, multimedia system, and so on.

The UDA1342TS/N1,512 IC contains a low-power headphone amplifier, a CODEC, and a 6-band equalizer. It also provides an ADC (Analog to Digital Converter) preprocessing feature and integrates a calorimetric electronic volume control. The integrated power amplifier produces an output up to 2.6 W with a THD (Total Harmonic Distortion) of less than 0.1%, and it is capable of driving both 8 Ω and 16 Ω stereo headphones. Moreover, it features on-chip anti-cross-talk circuitry for a dynamic headphone input impedance control, and supports both dynamic range control and loudness attenuation.

In terms of performance, the UDA1342TS/N1,512 IC provides an audio signal-to-noise ratio of 97 dB and a total harmonic distortion of 0.15%, resulting in a great audio playback. It also features a wide bandwidth equalizer that works over six bands, namely bass, low midrange, upper midrange, treble, high pass, and low pass. The equalizer parameters can be customized to enhance the playback of various types of music.

Moreover, the UDA1342TS/N1,512 IC works on low-voltage power supply of 3.3V (± 5%). It can operate over the temperature range of -40°C to +85°C and provides various protections, such as over-temperature detection, turn-on delay, pop protection, and power-down mode. The IC also uses a low-power shutdown architecture, which reduces the power consumption to less than one microampere when the device is not in use.

In conclusion, the UDA1342TS/N1,512 IC is a highly integrated interface-CODEC designed for headphone applications. It features several components, such as a low-power headphone amplifier, a CODEC, a 6-band equalizer, an ADC preprocessor, and a calorimetric electronic volume control. It supplies great audio performance, efficient power consumption, and provides protection against various conditions.

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