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This version (19 Jan 2024 11:31) is a draft.
Approvals: 0/1The Previously approved version (05 Oct 2023 14:33) is available.Diff

Table of Contents

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AD243x High Power

Evaluation boards

The AD243x high power evaluation boards used in the demos are explained in the following subsections.

EVAL-AD2435WA3LZ

Figure 1 shows a EVAL-AD2435WA3LZ board which can be used as a high power A2B main or a local powered A2B sub node. The board has following peripherals

  • AD2435 A2B transceiver
  • Stereo Audio Codec (ADAU1961) with Line I/O
  • Sigma DSP (ADAU1452) with Optical SPDIF I/O
  • 512K Self-Boot Memory (EEPROM)

Figure 1: EVAL-AD2435WA3LZ board

EVAL-AD2435WJ3LZ

Figure 2 shows EVAL-AD2435WJ3LZ board which can be used as a high power bus powered A2B sub node. The board has following peripherals

  • AD2435 A2B transceiver
  • Stereo Audio Codec (ADAU1961) with Line I/O
  • Onboard Class D (FDA802S) Amplifier
  • 4 Microphones
  • Onboard RGB LED

Figure 2: EVAL-AD2435WJ3LZ board

Connections

To run the sample demo, the following setup connections are to be made.

Evaluation boards

A2B Evaluation boards shall be connected in the following order

  1. EVAL-AD2435WA3LZ (Main) → EVAL-AD2435WJ3LZ (Sub 0) → EVAL-AD2435WJ3LZ (Sub 1)
  2. Connect twisted-pair wire between the “B” connector on the Main board and the “A” connector on the Sub 0 board.
  3. Connect twisted-pair wire between the “B” connector on the Sub 0 board and the “A” connector on the Sub 1 board.
  4. Connect 12V power supply to the power connector on Main board.
This connection is recommended for running the High-power sample demo using PC as host.

Figure 3: A2B Eval board connections: High Power

USBi/Aardvark

For Aardvark, download and install the “USB Drivers – Windows” from Total Phase website.

  • Attach an USBi/Aardvark cable to the main board (SIGMA STUDIO PLUS) connector as shown in Figure 3. Other end of the cable should be connected to the PC.
  • This connection is required to override the schematic for the main node SigmaDSP ADAU1452. The connection is also used to directly control A2B system when PC is used as the target processor.

Audio In/out

  • Connect separate audio sources (e.g., output from an iPod) to ‘Audio Line- in’ ports, shown in Figure 3, on A2B sub boards.
  • Connect separate audio sinks (e.g., headphones and speakers) to ‘Audio Line-out’ and output of Class-D amplifier ports as shown in Figure 3, on A2B main and sub boards.
resources/tools-software/a2bv2/quickstartguide/hardware-setup/ad243x-high-power.txt · Last modified: 19 Jan 2024 11:31 by Praveen Kumar

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