AD2437

量产

A2B Transceiver Supporting 50W Bus Power and Extended Distance

产品模型
4
产品技术资料帮助

ADI公司所提供的资料均视为准确、可靠。但本公司不为用户在应用过程中侵犯任何专利权或第三方权利承担任何责任。技术指标的修改不再另行通知。本公司既没有含蓄的允许,也不允许借用ADI公司的专利或专利权的名义。本文出现的商标和注册商标所有权分别属于相应的公司。

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产品详情

A2B BUS FEATURES

  • Line topology
    • Single main node, up to 16 subordinate nodes
    • Up to 30 m between nodes and up to 300 m overall cable length
  • Communication over distance
    • Synchronous data
      • Multichannel I2S/TDM to I2S/TDM
      • Clock synchronous, phase aligned in all nodes
      • Low latency node to node communication
    • Control and status information I2C to I2C
    • GPIO over distance
  • Bus power or local power subordinate nodes
  • Configurable with SigmaStudio+ graphical software tool

BASELINE A2B TRANSCEIVER FEATURES

  • Configurable as A2B bus main node or subordinate node
  • Programmable via I2C and SPI interfaces
  • 8-bit to 32-bit multichannel I2S/TDM interface
    • I2S/TDM/PDM programmable data rate
    • Up to 51 channels of 16-bit data or 32 channels of 24-bit data between nodes
  • PDM inputs for up to 4 high dynamic range microphones on main or subordinate nodes
  • Support for receiving I2S/TDM and PDM data on the same node
  • Unique ID register for each transceiver
  • Support for crossover or straight-through cabling

AD2437 TRANSCEIVER ENHANCEMENTS

  • Mixed Signal
    • ADC monitoring of supply voltages
    • Supports 3.3 V input at VIN in Low Voltage Input (LVI) mode
  • Digital
    • High speed SPI (up to 10 Mbps) over distance
    • Dedicated hardware reset pin
    • I2S/TDM crossbar switch
      • Flexible mapping of Tx/Rx TDM channel data to A2B slot
    • Support for I2C fast mode plus (1 MHz)
    • Support for LED lighting control using 4 PWM outputs
    • 8 GPIO pins with configurable pin mapping
AD2437
A2B Transceiver Supporting 50W Bus Power and Extended Distance
AD2437 Functional Block Diagram
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软件资源

SigmaStudio®+

汽车音频、连接和算法/IP应用的系统级解决方案

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A2B® 软件

A2B 网络设计工具和嵌入式软件堆栈使音频网络设计人员能够以图形方式设计A2B网络,并将其部署到嵌入式平台中

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评估套件

eval board
EVAL-AD2437B1NZ

AD2437 XLR Bus-Powered Subordinate (BPS) Node

产品详情

The EVAL-AD2437B1NZ is an evaluation board to evaluate various peripherals of the AD2437 A2B (Audio Bus) transceiver. Refer to the datasheet/manual to get more details about the AD2437.

The EVAL-AD2437B1NZ is configured to be a Bus-Powered Sub (BPS) node. The EVAL-AD2437B1NZ can be connected to a Main node, Local-Powered Sub (LPS) or a Bus-Powered Sub (BPS) node. These evaluation boards are intended to be used with the SigmaStudio+® graphical development tool.

A PC host controls the AD2437 A2B main transceiver I2C/SPI signals over the USB-to- I2C/SPI bridge; USBi(EVAL-ADUSB2EB). This allows SigmaStudio+ to directly discover and control an A2B network as well as to read back registers and monitor performance.

The SigmaStudio+® graphical development tool is the programming, development, and tuning software for the SigmaDSP, A2B, and Sharc processors. Familiar audio processing blocks can be wired together as in a schematic, and the compiler generates DSP-ready code and a control surface for setting and tuning parameters. This tool allows engineers with no DSP code writing experience to easily implement a DSP into their design and yet is still powerful enough to satisfy the demands of experienced DSP designers. SigmaStudio+ links with both Analog Devices evaluation boards and production designs to provide full in-circuit real-time IC control.

SigmaStudio+ includes an extensive library of algorithms to perform audio processing such as filtering, mixing, and dynamics processing, as well as basic low-level DSP functions and control blocks. Advanced record-side processing algorithms such as Enhanced Stereo Capture and wind noise detection are included in the standard libraries. Plug-in algorithms from Analog Devices and 3rd party partners can be added to SigmaStudio+'s drag-and-drop library.

Along with its graphical DSP signal flow development, SigmaStudio+ also includes other features to speed up the design cycle from product concept to release. SigmaStudio+ includes tools for intuitively setting control registers, calculating tables of filter coefficients, visualizing filter magnitude and phase responses, generating C header files, and sequencing a series of controls to ease your transition from SigmaStudio+ to system implementation on your microcontroller.

Evaluation Board Comparison Guide
AD2437 Evaluation Board Main/Subordinate Power Supply Connector
EVAL-AD2437A1MZ Main/Sub (Main/LPS) Local RJ45
EVAL-AD2437B1MZ Sub (BPS) Bus RJ45
EVAL-AD2437A1NZ Main/Sub (Main/LPS) Local XLR
EVAL-AD2437B1NZ Sub (BPS) Bus XLR

eval board
EVAL-AD2437B1MZ

AD2437 RJ45 Bus-Powered Subordinate (BPS) Node

产品详情

The EVAL-AD2437B1MZ is an evaluation board to evaluate various peripherals of AD2437 A2B (Audio Bus) transceiver. Refer datasheet/manual to get more details about AD2437.

The EVAL-AD2437B1MZ is configured to be a Bus-Powered Sub (BPS) node. The EVAL-AD2437B1MZ can be connected to a Main Node, Local-Powered Sub (LPS) or a Bus-Powered Sub (BPS) Node. These evaluation boards are intended to be used with the SigmaStudio+ graphical development tool.

A PC host controls the AD2437 A2B main transceiver I2C/SPI signals over the USB-to-I2C/SPI bridge, the USBi(EVAL-ADUSB2EB). This allows the PC to directly discover and control an A2B network as well as to read back registers and monitor performance.

The SigmaStudio+® graphical development tool is the programming, development, and tuning software for the SigmaDSP, A2B, and Sharc processors. Familiar audio processing blocks can be wired together as in a schematic, and the compiler generates DSP-ready code and a control surface for setting and tuning parameters. This tool allows engineers with no DSP code writing experience to easily implement a DSP into their design and yet is still powerful enough to satisfy the demands of experienced DSP designers. SigmaStudio+ links with both Analog Devices evaluation boards and production designs to provide full in-circuit real-time IC control.

SigmaStudio+ includes an extensive library of algorithms to perform audio processing such as filtering, mixing, and dynamics processing, as well as basic low-level DSP functions and control blocks. Advanced record-side processing algorithms such as Enhanced Stereo Capture and wind noise detection are included in the standard libraries. Plug-in algorithms from Analog Devices and 3rd party partners can be added to SigmaStudio+'s drag-and-drop library.

Along with its graphical DSP signal flow development, SigmaStudio+ also includes other features to speed up the design cycle from product concept to release. SigmaStudio+ includes tools for intuitively setting control registers, calculating tables of filter coefficients, visualizing filter magnitude and phase responses, generating C header files, and sequencing a series of controls to ease your transition from SigmaStudio+ to system implementation on your microcontroller.

Evaluation Board Comparison Guide
AD2437 Evaluation Board Main/Subordinate Power Supply Connector
EVAL-AD2437A1MZ Main/Sub (Main/LPS) Local RJ45
EVAL-AD2437B1MZ Sub (BPS) Bus RJ45
EVAL-AD2437A1NZ Main/Sub (Main/LPS) Local XLR
EVAL-AD2437B1NZ Sub (BPS) Bus XLR

eval board
EVAL-AD2437A1NZ

AD2437 XLR Main or Local-Powered Subordinate (LPS) Node

产品详情

The EVAL-AD2437A1NZ is an evaluation board to evaluate various peripherals of the AD2437 A2B (Audio Bus) transceiver. Refer to the datasheet/manual to get more details about the AD2437.

The EVAL-AD2437A1NZ can be configured to be a Main or Local Powered Sub (LPS) node. The EVAL-AD2437A1NZ can be connected to a Main Node, Local Powered Sub (LPS) or a Bus Powered Sub (BPS) node. These evaluation boards are intended to be used with the SigmaStudio+ graphical development tool.

In the default configuration (main mode), this evaluation board provides A2B main node functionality for an A2B network.

A PC host controls the AD2437 A2B main transceiver using I2C or SPI signals over the USB-to- I2C/SPI bridge, USBi(EVAL-ADUSB2EB). This allows SigmaStudio+ to directly discover and control an A2B network as well as to read back registers and monitor performance. Alternatively, the EVAL-AD2437A1NZ is controllable over a SoM interface through an external DSP host device like the SC594. In the default configuration as a main mode, AD2437 digital audio signals interface directly to the ADAU1452 SigmaDSPTM, which provides the clock and frame sync signals to the A2B network.

The evaluation board also supports local-powered sub mode with different jumper settings, where AD2437 digital audio signals could interface to ADAU1937 audio codec or four microphones with the help of the ADAU1452. In the sub mode, AD2437 drives clock and frame sync to ADAU1937 and ADAU1452 for transmitting or receiving data. Four digital MEMS PDM microphones can interface directly with the A2B transceiver.

The SigmaStudio+® graphical development tool is the programming, development, and tuning software for the SigmaDSP, A2B, and Sharc processors. Familiar audio processing blocks can be wired together as in a schematic, and the compiler generates DSP-ready code and a control surface for setting and tuning parameters. This tool allows engineers with no DSP code writing experience to easily implement a DSP into their design and yet is still powerful enough to satisfy the demands of experienced DSP designers. SigmaStudio+ links with both Analog Devices evaluation boards and production designs to provide full in-circuit real-time IC control.

SigmaStudio+ includes an extensive library of algorithms to perform audio processing such as filtering, mixing, and dynamics processing, as well as basic low-level DSP functions and control blocks. Advanced record-side processing algorithms such as Enhanced Stereo Capture and wind noise detection are included in the standard libraries. Plug-in algorithms from Analog Devices and 3rd party partners can be added to SigmaStudio+'s drag-and-drop library.

Along with its graphical DSP signal flow development, SigmaStudio+ also includes other features to speed up the design cycle from product concept to release. SigmaStudio+ includes tools for intuitively setting control registers, calculating tables of filter coefficients, visualizing filter magnitude and phase responses, generating C header files, and sequencing a series of controls to ease your transition from SigmaStudio+ to system implementation on your microcontroller.

Evaluation Board Comparison Guide
AD2437 Evaluation Board Main/Subordinate Power Supply Connector
EVAL-AD2437A1MZ Main/Sub (Main/LPS) Local RJ45
EVAL-AD2437B1MZ Sub (BPS) Bus RJ45
EVAL-AD2437A1NZ Main/Sub (Main/LPS) Local XLR
EVAL-AD2437B1NZ Sub (BPS) Bus XLR

eval board
EVAL-AD2437A1MZ

AD2437 RJ45 Main or Local-Powered Subordinate (LPS) Node

产品详情

The EVAL-AD2437A1MZ is an evaluation board to evaluate various peripherals of the AD2437 A2B (Audio Bus) transceiver. Refer to the datasheet/manual to get more details about the AD2437.

The EVAL-AD2437A1MZ can be configured to be a Main Node or Local-Powered Sub (LPS) Node. The EVAL-AD2437A1MZ can be connected to a Main Node, Local Powered Sub (LPS) or a Bus Powered Sub (BPS) node. These evaluation boards are intended to be used with the SigmaStudio+ graphical development tool.

In the default configuration (Main Mode), this evaluation board provides A2B main node functionality for an A2B network.

A PC host controls the AD2437 A2B main transceiver I2C/SPI signals over the USB-to- I2C/SPI bridge, USBi(EVAL-ADUSB2EB). This allows SigmaStudio+ to directly discover and control an A2B network as well as to read back registers and monitor performance. Alternatively, the EVAL-AD2437A1MZ is controllable over a SOM interface through an external DSP host device like the SC594. In the main mode, AD2437 digital audio signals interface directly to the ADAU1452 SigmaDSPTM, which provides the clock and frame sync signals to the A2B network.

The evaluation board also supports local-powered sub mode with different jumper settings, where AD2437 digital audio signals could interface to ADAU1937 audio codec or four microphones with the help of the ADAU1452. In the sub mode, AD2437 drives clock and frame sync to the ADAU1937 and ADAU1452 for transmitting or receiving data. Four digital MEMS microphones interface directly with the transceiver, they can be either downstream or upstream.

The SigmaStudio+® graphical development tool is the programming, development, and tuning software for the SigmaDSP, A2B, and Sharc processors. Familiar audio processing blocks can be wired together as in a schematic, and the compiler generates DSP-ready code and a control surface for setting and tuning parameters. This tool allows engineers with no DSP code writing experience to easily implement a DSP into their design and yet is still powerful enough to satisfy the demands of experienced DSP designers. SigmaStudio+ links with both Analog Devices evaluation boards and production designs to provide full in-circuit real-time IC control.

SigmaStudio+ includes an extensive library of algorithms to perform audio processing such as filtering, mixing, and dynamics processing, as well as basic low-level DSP functions and control blocks. Advanced record-side processing algorithms such as Enhanced Stereo Capture and wind noise detection are included in the standard libraries. Plug-in algorithms from Analog Devices and 3rd party partners can be added to SigmaStudio+'s drag-and-drop library.

Along with its graphical DSP signal flow development, SigmaStudio+ also includes other features to speed up the design cycle from product concept to release. SigmaStudio+ includes tools for intuitively setting control registers, calculating tables of filter coefficients, visualizing filter magnitude and phase responses, generating C header files, and sequencing a series of controls to ease your transition from SigmaStudio+ to system implementation on your microcontroller.

Evaluation Board Comparison Guide
AD2437 Evaluation Board Main/Subordinate Power Supply Connector
EVAL-AD2437A1MZ Main/Sub (Main/LPS) Local RJ45
EVAL-AD2437B1MZ Sub (BPS) Bus RJ45
EVAL-AD2437A1NZ Main/Sub (Main/LPS) Local XLR
EVAL-AD2437B1NZ Sub (BPS) Bus XLR

EVAL-AD2437B1NZ
AD2437 XLR Bus-Powered Subordinate (BPS) Node
EVAL-AD2437B1NZ Evaluation Board EVAL-AD2437B1NZ Evaluation Board - Top View EVAL-AD2437B1NZ Evaluation Board - Bottom View
EVAL-AD2437B1MZ
AD2437 RJ45 Bus-Powered Subordinate (BPS) Node
EVAL-AD2437B1MZ Evaluation Board EVAL-AD2437B1MZ Evaluation Board - Top View EVAL-AD2437B1MZ Evaluation Board - Bottom View
EVAL-AD2437A1NZ
AD2437 XLR Main or Local-Powered Subordinate (LPS) Node
EVAL-AD2437A1NZ Evaluation Board EVAL-AD2437A1NZ Evaluation Board - Top View EVAL-AD2437A1NZ Evaluation Board - Bottom View
EVAL-AD2437A1MZ
AD2437 RJ45 Main or Local-Powered Subordinate (LPS) Node
EVAL-AD2437A1MZ Evaluation Board EVAL-AD2437A1MZ Evaluation Board - Top View EVAL-AD2437A1MZ Evaluation Board - Bottom View

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