Brax DSP – Upgrade Module – Analog Input with AKM – analog stereo input module with AKM A/D converter
This upgrade module equips a BRAX DSP with a stereo analog input that accepts both RCA (low-level) and highlevel signals. Conversion to the digital domain is handled by an AKM AK5572EN 32-bit, 2-channel A/D converter, with a Texas Instruments LME49720 dual op-amp in the analog signal path.
Input sensitivity is continuously adjustable, and four digital input filters can be selected in software. The highlevel input features the ADEP.3 circuit and an auto turn-on function, which makes the module well suited for integration with factory head units. Made in Germany and supplied in a wooden box with BRAX design.
Key Features
- Inputs: stereo RCA and highlevel inputs
- Adjustable sensitivity: 1–8 V (RCA) and 3.5–30 V (highlevel)
- A/D converter: AKM AK5572EN, 32-bit, 2-channel, 192 kHz sampling rate
- Analog stage: TI LME49720 dual high-performance op-amp
- Input filters: four digital input filters selectable in software
- ADEP.3: on the highlevel inputs, to bypass radio diagnostic systems
- Auto turn-on: the DSP can be switched on via the highlevel inputs
- Auto detection: module is recognised automatically in the DSP PC-Tool
Compatibility
- BRAX DSP (can be retrofitted to any BRAX DSP)
Installation Notes
- Automatic module detection requires DSP PC-Tool version 4.42a or later.
Technical Specifications
| Signal converter | AKM AK5572EN |
| Operational amplifier | TI LME49720 Dual High Performance |
| Sampling rate | 192 kHz |
| Frequency response | 10 Hz – 80 kHz |
| Signal-to-noise ratio (A-weighted) | 116 dB |
| Total harmonic distortion (THD+N) | < -104 dB (0.0006 %) |
| IM distortion (IMD) | < -94 dB (0.002 %) |
| Input sensitivity | RCA / Cinch: 1 – 8 Volts Highlevel: 3.5 – 30 Volts |
Scope of Delivery
1 x BRAX DSP – Upgrade Module – Analog Input with AKM
1 x Exclusive wooden box with BRAX design
