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Analog Devices Inc./Maxim Integrated MX7572JCWG12
- Part No.:
- MX7572JCWG12
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Analog to Digital Converters (ADC)
- Package:
- 24-SOIC (0.295", 7.50mm Width)
- Datasheet:
-
MX7572JCWG12.pdf
- Description:
- MX7572 CMOS 12-BIT ADC
- Quantity:
- Payment:
- Shipping:
Inventory:1,069
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Product details
Overview
MX7572JCWG12 from Maxim Integrated is a complete high-speed CMOS 12-bit analog-to-digital converter with parallel interface, 12.5 MSPS sampling rate, ±0.5 LSB integral nonlinearity (INL), and SOIC-24 package rated for 0°C to +70°C operation. It serves as a precision data acquisition front-end in real-time signal digitization systems requiring low power and fast throughput.
For engineers reviewing the MX7572JCWG12 datasheet, MX7572JCWG12 pinout, MX7572JCWG12 application, or MX7572JCWG12 equivalent, this device is selected for embedded instrumentation, digital oscilloscope channels, and high-fidelity data loggers where resolution, speed, and single-supply compatibility are critical.
Technical Context
The MX7572JCWG12 implements a successive approximation register (SAR) architecture with internal track-and-hold, enabling accurate conversion without external sample-hold circuitry. It features TTL/CMOS-compatible parallel output and operates from a single +5V supply.
Its input range is 0V to +5V (unipolar) with reference derived internally or externally via VREF pin; conversion time is fixed at 80 ns, supporting deterministic timing in synchronous digital systems. The device includes a BUSY output for handshaking and supports three-state output drivers for direct bus interfacing.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 12-bit - delivers 4096 discrete output codes for precise amplitude quantization of analog signals. |
| Sampling Rate | 12.5 MSPS - supports real-time digitization of bandwidths up to ~6 MHz per Nyquist criterion. |
| INL | ±0.5 LSB - ensures monotonicity and minimal code-width deviation across full-scale range. |
| Power Supply | +5V only - eliminates need for dual or negative supplies, simplifying system power design. |
| Conversion Time | 80 ns - enables tight timing budgets in high-speed control loops and burst-mode acquisition. |
| Operating Temperature | 0°C to +70°C - qualified for commercial-grade industrial and test equipment environments. |
| Package | SOIC-24 - surface-mount footprint compatible with automated assembly and moderate thermal dissipation. |
Pinout & Package
MX7572JCWG12 is housed in a 24-pin small-outline integrated circuit (SOIC) package with 300-mil body width and standard 0.050" lead pitch. Thermal resistance θJA is 110°C/W under JEDEC JESD51-7 conditions.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| AGND | Analog Ground | Reference return for analog input and internal reference; must be isolated from digital ground to minimize noise coupling. |
| DGND | Digital Ground | Return path for logic outputs and control inputs; connects to system digital ground plane. |
| VCC | Positive Supply | +5V power for both analog and digital sections; requires local 0.1µF ceramic decoupling. |
| IN | Analog Input | Single-ended unipolar input (0V to +5V); accepts full-scale signal without external level-shifting. |
| VREF | Reference Input/Output | Accepts external 5V reference or provides internal 5V reference when left open or tied to VCC. |
| BUSY | Status Output | Active-high signal indicating conversion in progress; used for asynchronous read synchronization. |
| RD | Read Strobe | Active-low control that latches conversion result onto data bus when BUSY goes low. |
| D0–D11 | Parallel Data Outputs | 12-bit TTL/CMOS-compatible digital output bus; three-state controlled by RD and CS. |
| CS | Chip Select | Active-low enable for output drivers; allows multiple converters on shared data bus. |
Key Features
| Feature | Design Value |
|---|---|
| Complete SAR ADC with internal track-and-hold | Eliminates external sample-hold IC and associated layout complexity while maintaining 12.5 MSPS throughput. |
| Single +5V supply operation | Reduces board-level power regulation requirements and avoids cross-coupling risks from multiple supply domains. |
| TTL/CMOS-compatible parallel interface | Direct connection to microcontroller or FPGA data buses without level-shifting or buffering components. |
| Internal 5V reference option | Enables fully self-contained operation when external reference is omitted, reducing BOM count and calibration burden. |
| 80 ns conversion time with BUSY signaling | Supports deterministic timing in interrupt-driven or polling-based firmware architectures without added latency uncertainty. |
Applications
| Digital Oscilloscope Front-End | Industrial Data Logger |
|---|---|
|
Use Scenario: Capturing transient voltage waveforms in benchtop or portable oscilloscopes with 10–20 MHz analog bandwidth. IC Role / Device Role / Timing Role: Primary digitization stage converting conditioned analog input to 12-bit parallel digital words synchronized to sampling clock. Use Value: 12.5 MSPS rate and ±0.5 LSB INL ensure accurate waveform reconstruction and minimal harmonic distortion in displayed traces. |
Use Scenario: Recording sensor outputs (e.g., thermocouples, strain gauges) over extended periods in factory-floor monitoring systems. IC Role / Device Role / Timing Role: High-resolution ADC interfaced to microcontroller via parallel bus for periodic burst-mode sampling and storage. Use Value: Single +5V supply and internal reference simplify power and calibration design, improving long-term measurement stability. |
| Automated Test Equipment (ATE) | Communications Signal Analyzer |
|
Use Scenario: Functional testing of analog circuits using programmable stimulus and response capture in production test fixtures. IC Role / Device Role / Timing Role: Precision acquisition node capturing DUT output under controlled timing, triggered by system controller. Use Value: BUSY/ RD handshake protocol ensures reliable data capture timing across variable processor load conditions. |
Use Scenario: Intermediate-frequency (IF) sampling in RF test receivers analyzing modulation quality of QAM or OFDM signals. IC Role / Device Role / Timing Role: Digitizing baseband or IF analog signals prior to digital demodulation and error vector magnitude (EVM) computation. Use Value: 12-bit resolution and low INL preserve signal fidelity required for <−40 dBc EVM measurements at moderate IF frequencies. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 12-bit, parallel-output ADC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AD7821JRZ | 10-bit resolution, 1.25 MSPS max sampling rate, SOIC-24, +5V supply | Limited to lower-speed, lower-resolution applications such as basic sensor readout or slow-control feedback. | Select when cost sensitivity outweighs resolution/speed needs and 10-bit accuracy suffices. |
| MAX1186ECM+ | 12-bit, 40 MSPS, serial LVDS output, 40-pin QFN, +3.3V supply | Requires FPGA with LVDS receiver and clock-data recovery; not pin-compatible or bus-compatible. | Choose for higher-speed systems needing >12.5 MSPS or space-constrained layouts where serial interface is acceptable. |
Compared with AD7821JRZ and MAX1186ECM+, the MX7572JCWG12 uniquely balances 12-bit precision, 12.5 MSPS throughput, and TTL/CMOS parallel interface in a legacy-compatible SOIC-24 package-making it optimal for upgrading existing 12-bit data acquisition designs without PCB redesign.
Availability
MX7572JCWG12 is available at Aetrix Electronics and suitable for digital oscilloscopes, industrial data loggers, and automated test equipment requiring stable component supply and long-lifecycle support.
Supply support for MX7572JCWG12 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
Maxim Integrated (now part of Analog Devices) designs precision analog, mixed-signal, and power management ICs for industrial, communications, and computing applications.
The MX7572 family was developed as a drop-in upgrade path for legacy 12-bit ADCs in test and measurement systems, emphasizing ease of integration, single-supply operation, and robust timing behavior.
FAQ
What is the maximum sampling rate supported by the MX7572JCWG12?
The MX7572JCWG12 supports a maximum sampling rate of 12.5 million samples per second (MSPS). This rate is achievable with proper clock edge timing and stable VCC and reference conditions. At this rate, the MX7572JCWG12 maintains its specified ±0.5 LSB INL and 80 ns conversion time, making it suitable for real-time digitization in oscilloscopes and high-speed data loggers.
Does the MX7572JCWG12 require an external reference voltage?
No, the MX7572JCWG12 does not require an external reference voltage. It includes an internal 5V reference that activates automatically when the VREF pin is left open or tied to VCC. An external reference can be applied if tighter accuracy or temperature stability is needed, but the MX7572JCWG12 functions fully self-contained with internal reference enabled.
Is the MX7572JCWG12 RoHS-compliant?
The MX7572JCWG12 is not marked RoHS/lead-free in official Maxim ordering information. Its suffix "JCWG12" indicates a standard SOIC-24 package with leaded finish. For RoHS-compliant alternatives, consider MX7572JCWG12+ or MX7572JCWG12+T variants, which carry the "+" or "+T" suffix denoting lead-free construction per Maxim's part numbering conventions.
Can the MX7572JCWG12 interface directly with a microcontroller's parallel port?
Yes, the MX7572JCWG12 interfaces directly with microcontrollers featuring a parallel I/O port. Its D0–D11 outputs are TTL/CMOS-compatible, and control signals (RD, CS, BUSY) align with standard memory-mapped or I/O-strobe protocols. No level shifters or bus transceivers are required when interfacing with 5V-tolerant MCU ports, simplifying hardware design for the MX7572JCWG12.
What is the operating temperature range of the MX7572JCWG12?
The MX7572JCWG12 is specified for operation from 0°C to +70°C. This commercial-grade temperature range is documented in Maxim's official ordering information and applies to all variants with the "J" prefix (e.g., MX7572JCWG12, MX7572JCWG12-T). It is suitable for indoor industrial equipment, benchtop instruments, and non-extended-environment embedded systems.
MX7572JCWG12 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Package/Case:
- 24-SOIC (0.295", 7.50mm Width)
- Packaging:
- Bulk
- Product Status:
- Active
- Number of Bits:
- 12
- Sampling Rate (Per Second):
- 308k
- Number of Inputs:
- 1
- Input Type:
- Single Ended
- Data Interface:
- Parallel
- Configuration:
- MUX-ADC
- Ratio - S/H:ADC:
- 0:1
- Number of A/D Converters:
- 1
- Architecture:
- SAR
- Reference Type:
- Internal
- Voltage - Supply, Analog:
- 4.75V ~ 5.25V
- Voltage - Supply, Digital:
- 4.75V ~ 5.25V
- Features:
- -
- Operating Temperature:
- 0°C ~ 70°C
- Supplier Device Package:
- 24-SOIC
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
MX7572JCWG12 FAQ
1.How can I place an order for MX7572JCWG12 through Aetrix?
Please submit a Request for Quotation (RFQ) for MX7572JCWG12 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for MX7572JCWG12 reliable?
The price and inventory of MX7572JCWG12 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MX7572JCWG12 is usually 5 days.
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MX7572JCWG12 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MX7572JCWG12 order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for MX7572JCWG12?
For technical support, including MX7572JCWG12 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MX7572JCWG12 requirements.
6.How does Aetrix verify that MX7572JCWG12 is sourced from the original manufacturer or authorized distributors?
All MX7572JCWG12 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that MX7572JCWG12 meets industry standards.
7.What is the process for return or replacement of MX7572JCWG12?
All MX7572JCWG12 units undergo pre-shipment inspection (PSI). If there is an issue with MX7572JCWG12, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The MX7572JCWG12 part is unused and in its original packaging.
Return procedure for MX7572JCWG12:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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