Texas Instruments PCM1870A
The PCM1870A is a low-power stereo ADC designed for portable digital audio applications, with line-input amplifier, boost amplifier, microphone bias, programmable gain control, sound effects, and auto level control (ALC). It is available in a 24-Pin YZF (2.49-mm × 3.49-mm) package to save footprint. The PCM1870A accepts right-justified, left-justified, I2S, and DSP formats, providing easy interfacing to audio DSP and encoder chips.| Part No. | PCM1870A |
|---|---|
| Datasheet | PCM1870A Download |
| Manufacturer |  Texas Instruments |
| Description | 16-Bit Low-Power Stereo Audio ADC |
| Buy | Stock & Price |
FEATURES
1● Analog Front End: – Stereo Single End Input With MUX – Mono Differential Input – Stereo Programmable Gain Amplifier – Microphone Boost Amplifier and Bias
● Analog Performances Dynamic Range: 90 dB
● Power-Supply Voltage – 1.71 V to 3.6 V for Digital I/O Section – 1.71 V to 3.6 V for Digital Core Section – 2.4 V to 3.6 V for Analog Section
● Low Power Dissipation: – 13 mW in Record, 1.8/2.4 V, 48 kHz, Stereo – 5.3 mW in Record, 1.8/2.4 V, 8 kHz, Mono – 3.3 µW in All Power Down
● Sampling Frequency: 5 kHz to 50 kHz
● Auto Level Control for Recording
● Operation by Single Clock Input Without PLL
● System Clock: Common Audio Clock (256 fS/384 fS), 12/24, 13/26, 13.5/27, 19.2/38.4, 19.68/39.36 MHz
● 2 (I2C) or 3 (SPI) Wire Serial Control
● Programmable Function by Register Control: – Digital Soft Mute – Hi-Z for LRCK, BCK and DOUT – Power Up/Down Control for Each Module – 30-dB to –12-dB Gain for Analog Inputs – 0/12/20-dB Boost for Microphone Input – Parameter Settings for ALC...
