The TTK BTM-38-Z1 DSP Audio Module datasheet details its dual‑core DSP chip, ADC/DAC specs, RF audio transmission and extensive I/O options.
The BTM-38-Z1 is a DSP audio processing module that uses a high‑performance professional dual‑core DSP chip and includes built‑in ADC and DAC converters, RF audio transmission, and a wide range of digital and analog interfaces. It is intended for multimedia and automotive sound systems.
The module measures 43 mm × 22 mm × 3 mm and provides four analog inputs, four analog outputs, five I2S digital inputs, six I2S digital outputs, and numerous GPIO, I2C, UART and other expansion pins. RF audio can be transmitted at 4 Mbps with up to 48 kHz sampling and 24‑bit resolution. This manual is written in Chinese.
| DSP Chip | High‑performance professional dual‑core audio DSP |
|---|---|
| Analog Input (ADC) | 4 channels, 8 kHz‑192 kHz, 24‑bit, S/N 102 dB (48 kHz) |
| Analog Output (DAC) | 4 channels, 8 kHz‑192 kHz, 24‑bit, S/N 108 dB (48 kHz) |
| Digital Inputs | 5 independent I2S inputs, supports MSB32, 24‑bit/LSB24, 20/16‑bit |
| Digital Outputs | 6 independent I2S outputs, up to 16 channel audio |
| RF Audio Transmission | 4 Mbps, up to 48 kHz sample rate, 24‑bit resolution |
| Dimensions | L 43 mm × W 22 mm × T 3 mm |
It uses a high‑performance professional dual‑core audio DSP chip.
The module provides four analog inputs, each with an ADC that supports 8 kHz‑192 kHz, 24‑bit resolution and a 102 dB signal‑to‑noise ratio at 48 kHz.
RF audio can be transmitted at a rate of 4 Mbps with sample rates up to 48 kHz and 24‑bit resolution.
The module measures 43 mm in length, 22 mm in width and 3 mm in thickness.