Microchip Technology DV3204A

Overview

DV3204A from Microchip Technology is a daughter board designed for evaluating the MCP3204/08 12-bit successive-approximation analog-to-digital converters (ADCs). It provides jumper-selectable ADC input channel selection, on-board or external reference voltage sourcing, and configurable signal routing through buffers and low-pass filters - enabling precise characterization in lab and design validation environments.

For engineers reviewing the DV3204A datasheet, DV3204A pinout, DV3204A application, or DV3204A equivalent, this board supports real-time data acquisition up to 50 ksps, FFT-based spectral analysis with Blackman-Harris/Hamming windowing, and flexible signal stimulus via on-board potentiometer or external connectors - all integrated with the MXDEV™1 Analog Evaluation System's Driver Board and PIC16C63 firmware.

Technical Context

The DV3204A interfaces directly with the DVMCPA Driver Board via a standardized edge connector and executes device-specific evaluation firmware loaded on a socketed PIC16C63 MCU. It implements hardware-level configuration for single-ended or pseudo-differential input modes, selectable VREF sources (internal bandgap or external), and programmable ADC channel routing per MCP3204/08 specifications.

Signal conditioning includes user-selectable low-pass filter modules and buffer stages before ADC sampling, while jumpers enable deterministic control over reference selection, input source (potentiometer vs. external BNC), and channel mapping - ensuring alignment with MCP3204/08 timing, resolution, and interface requirements.

Key Specifications

Availability

DV3204A is available at Aetrix Electronics and suitable for ADC evaluation, mixed-signal prototyping, and embedded sensor interface development requiring stable component supply and full toolchain integration with Microchip's MXDEV™1 system.

Supply support for DV3204A includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Microchip Technology Inc. is a U.S.-based semiconductor company specializing in microcontrollers, analog devices, and development tools for embedded control applications.

The DV3204A belongs to Microchip's MXDEV™1 Analog Evaluation System product line, engineered specifically to accelerate validation and characterization of Microchip's standalone ADC families including MCP30xx and MCP32xx series.

FAQ

What is the DV3204A used for?

The DV3204A is a daughter board used exclusively to evaluate the MCP3204 and MCP3208 12-bit SAR ADCs within Microchip's MXDEV™1 Analog Evaluation System. It provides hardware-configurable signal routing, reference selection, and filtering - allowing engineers to verify ADC performance under real-world conditions before final PCB layout. The DV3204A requires the DVMCPA Driver Board and PIC16C63 firmware to operate.

Does the DV3204A support both MCP3204 and MCP3208 devices?

Yes, the DV3204A is explicitly designated for evaluating both the MCP3204 (4-channel) and MCP3208 (8-channel) ADCs. Its jumper-selectable channel routing and input configuration are designed to accommodate the shared architecture and register map of both devices, as confirmed in Microchip's DS50028B documentation and ordering matrix.

What firmware runs on the DV3204A?

The DV3204A uses a socketed PIC16C63 microcontroller pre-programmed with device-specific evaluation firmware. This firmware handles SPI communication with the MCP3204/08, manages jumper-configured settings (e.g., reference source, input mode), and relays acquired data to the DVMCPA Driver Board. The DV3204A does not contain flash memory or reprogrammable logic - firmware resides solely on the removable PIC16C63.

Can I use the DV3204A without the DVMCPA Driver Board?

No - the DV3204A is not a standalone unit. It relies entirely on the DVMCPA Driver Board for power, RS-232 communication, LCD display, SRAM data storage, and host PC connectivity. The DV3204A lacks its own microcontroller runtime environment, USB/serial interface, or data visualization capability - it functions only as a plug-in peripheral within the MXDEV™1 system.

Is there a prototype area on the DV3204A?

No - the prototype area is located on the DVMCPA Driver Board, not on the DV3204A. The DV3204A contains only the MCP3204/08 ADC, supporting passive components, jumpers, filters, and connectors for signal stimulus. Its layout is fixed and optimized for evaluation fidelity, not user circuit modification.