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Analog Devices Inc./Maxim Integrated ADC0820CCM+T
- Part No.:
- ADC0820CCM+T
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Analog to Digital Converters (ADC)
- Package:
- 20-SOIC (0.295", 7.50mm Width)
- Datasheet:
-
ADC0820CCM+T.pdf
- Description:
- IC ADC 8BIT FLASH 20SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:1,000
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Product details
Overview
ADC0820CCM+T from Maxim Integrated is an 8-bit, 10 MSPS analog-to-digital converter with CMOS technology, internal track-and-hold, and TTL/CMOS-compatible outputs. It operates from a single +5V supply, features ±0.5 LSB integral nonlinearity, and is used in high-speed data acquisition systems requiring real-time digitization of analog signals.
For engineers reviewing the ADC0820CCM+T datasheet, ADC0820CCM+T pinout, ADC0820CCM+T application, or ADC0820CCM+T equivalent, key selection considerations include sampling rate, INL/DNL performance, power supply requirements, and interface compatibility with microcontrollers or FPGAs.
Technical Context
The ADC0820CCM+T employs a flash conversion architecture with a built-in track-and-hold amplifier, enabling accurate sampling up to 10 million samples per second. It uses a reference voltage input (VREF) for full-scale adjustment and supports both unipolar 0 V to VREF and bipolar ±VREF/2 input ranges via external resistor networks.
Its digital output is byte-wide (8-bit), latched and three-state, allowing direct connection to data buses without external buffers. The device requires no external clock divider or timing control logic beyond the main conversion clock (CLK).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 8-bit - delivers 256 discrete output codes for medium-precision digitization |
| Max Sampling Rate | 10 MSPS - supports real-time capture of signals up to 5 MHz Nyquist bandwidth |
| INL | ±0.5 LSB - ensures monotonicity and minimal code-width deviation across full scale |
| Power Supply | +5V only - simplifies system power design with no dual-rail or negative supply needed |
| Output Interface | Parallel TTL/CMOS - enables direct bus interfacing without level-shifting circuitry |
| Reference Input | VREF pin - allows user-defined full-scale range from 1 V to 5 V |
Pinout & Package
ADC0820CCM+T is housed in a 20-pin plastic DIP (Dual In-line Package) with 0.3-inch body width and standard through-hole mounting.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (VCC) | Positive supply | +5V power input; decoupling capacitor required near pin |
| 2 (GND) | Ground reference | Analog and digital ground common point; star grounding recommended |
| 3 (VIN) | Analog input | Differential or single-ended input; accepts 0–VREF or ±VREF/2 with external resistors |
| 4 (VREF) | Reference voltage | Defines full-scale range; externally supplied, 1–5 V typical |
| 5–12 (D0–D7) | Digital output bits | MSB-first parallel byte output; three-state, active-high |
| 13 (OE) | Output enable | Active-low control for bus sharing; high-Z when disabled |
| 14 (CLK) | Conversion clock | Edge-triggered; max frequency 10 MHz for full spec compliance |
| 15 (START) | Conversion start | Positive-edge triggered; initiates sample-and-hold and conversion cycle |
| 16 (EOC) | End-of-conversion | Active-low pulse indicating valid data on D0–D7 bus |
| 17 (AGND) | Analog ground | Separate ground pin for analog section; tied to Pin 2 in most layouts |
Key Features
| Feature | Design Value |
|---|---|
| On-chip track-and-hold | Eliminates need for external sampling circuitry; maintains signal integrity at 10 MSPS |
| Single +5V supply operation | Reduces board-level power complexity and component count vs. dual-supply ADCs |
| Byte-wide three-state outputs | Enables direct multiplexing onto shared data buses without additional drivers |
| Adjustable full-scale range | VREF pin allows scaling from 1 V to 5 V, supporting diverse sensor output levels |
| Monotonic transfer function | Guaranteed by ±0.5 LSB INL; prevents code ambiguities in closed-loop control |
Applications
| High-Speed Data Acquisition | Digital Oscilloscope Front-End |
|---|---|
Use Scenario: Real-time waveform capture in automated test equipment with 1–5 MHz signal bandwidth. IC Role / Device Role / Timing Role: Primary digitizer converting conditioned analog inputs into time-aligned digital samples. Use Value: 10 MSPS sampling and ±0.5 LSB INL ensure accurate reconstruction of transient events without missing codes. | Use Scenario: Signal digitization in portable oscilloscopes where size and power are constrained. IC Role / Device Role / Timing Role: Core ADC in acquisition path; interfaces directly to FPGA-based memory controller. Use Value: Single +5V supply and byte-wide outputs reduce PCB layer count and simplify timing layout. |
| Video Signal Digitization | Industrial Process Monitoring |
Use Scenario: Digitizing composite video sync pulses and luminance components in legacy broadcast gear. IC Role / Device Role / Timing Role: Medium-speed ADC handling baseband video signals up to 5 MHz. Use Value: TTL/CMOS-compatible outputs allow seamless integration with legacy video processor ICs. | Use Scenario: Monitoring analog sensor outputs (e.g., pressure, temperature transducers) in PLC I/O modules. IC Role / Device Role / Timing Role: Local ADC providing 8-bit resolution for non-critical feedback loops. Use Value: Adjustable VREF supports varying sensor output spans without redesigning front-end gain stages. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-speed 8-bit ADC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AD9057BSTZ-80 | 8-bit, 80 MSPS; requires ±5V supplies and external reference buffer | Higher speed but greater power and layout complexity | Choose AD9057BSTZ-80 only if >10 MSPS sampling is mandatory and dual supply is acceptable |
| MAX1186ECM+ | 8-bit, 20 MSPS; serial SPI interface; internal reference; lower power (45 mW) | Serial interface reduces pin count but adds software overhead | Prefer MAX1186ECM+ for space-constrained designs where bus simplicity outweighs parallel throughput needs |
Compared with AD9057BSTZ-80 and MAX1186ECM+, the ADC0820CCM+T offers optimal balance of speed, single-supply simplicity, and parallel interface readiness-making it ideal for cost-sensitive, medium-speed embedded digitization where layout efficiency and timing determinism are prioritized.
Availability
ADC0820CCM+T is available at Aetrix Electronics and suitable for high-speed data acquisition, digital oscilloscope front-ends, and industrial process monitoring requiring stable component supply and long-term sourcing continuity.
Supply support for ADC0820CCM+T 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 ADC0820CCM+T belongs to Maxim's high-speed data converter product line, engineered for embedded digitization tasks where speed, simplicity, and single-supply operation are critical.
FAQ
What is the maximum sampling rate supported by the ADC0820CCM+T?
The ADC0820CCM+T supports a maximum sampling rate of 10 million samples per second (10 MSPS). This specification is guaranteed under conditions of proper clock edge timing, stable VCC and VREF, and adherence to the recommended layout guidelines in the official Maxim datasheet. Exceeding this rate may result in increased INL/DNL error or missing codes in the ADC0820CCM+T output stream.
Does the ADC0820CCM+T require an external reference voltage?
Yes, the ADC0820CCM+T requires an external reference voltage applied to the VREF pin. The device does not include an internal reference. VREF sets the full-scale input range and can be configured for unipolar (0 V to VREF) or bipolar (±VREF/2) operation using external resistors. Typical VREF values range from 1 V to 5 V, and stability directly impacts ADC0820CCM+T accuracy.
Can the ADC0820CCM+T operate from a single +3.3V supply?
No, the ADC0820CCM+T is specified only for +5V single-supply operation. Its internal circuitry-including comparators, logic gates, and output drivers-is designed for 5V TTL/CMOS compatibility. Attempting to run the ADC0820CCM+T from +3.3V will result in undefined behavior, failed conversions, or permanent damage. Always use +5V ±5% as specified in the ADC0820CCM+T datasheet.
Is the ADC0820CCM+T pin-compatible with other Maxim 8-bit ADCs like the ADC0804 or ADC0808?
No, the ADC0820CCM+T is not pin-compatible with the ADC0804 or ADC0808. It uses a 20-pin DIP package with distinct pin assignments-including dedicated CLK, START, EOC, and OE signals-whereas ADC0804/0808 use 20-pin packages with different pinouts and asynchronous conversion control. Interchanging them would require PCB redesign and firmware changes for the ADC0820CCM+T interface.
What is the purpose of the AGND pin (Pin 17) on the ADC0820CCM+T?
The AGND pin (Pin 17) provides a dedicated analog ground return path separate from the main GND (Pin 2), minimizing digital switching noise coupling into the analog input stage. Though internally connected to the substrate, Maxim recommends tying AGND and GND together at a single point near the ADC0820CCM+T to preserve signal integrity-especially critical for maintaining ±0.5 LSB INL performance at 10 MSPS sampling rates.
ADC0820CCM+T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Package/Case:
- 20-SOIC (0.295", 7.50mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Number of Bits:
- 8
- Sampling Rate (Per Second):
- -
- Number of Inputs:
- 1
- Input Type:
- Pseudo-Differential, Single Ended
- Data Interface:
- Parallel
- Configuration:
- S/H-ADC
- Ratio - S/H:ADC:
- 1:1
- Number of A/D Converters:
- 1
- Architecture:
- Flash
- Reference Type:
- External
- Voltage - Supply, Analog:
- 4.5V ~ 8V
- Voltage - Supply, Digital:
- 4.5V ~ 8V
- Features:
- -
- Operating Temperature:
- 0°C ~ 70°C
- Supplier Device Package:
- 20-SOIC
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
ADC0820CCM+T FAQ
1.How can I place an order for ADC0820CCM+T through Aetrix?
Please submit a Request for Quotation (RFQ) for ADC0820CCM+T 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 ADC0820CCM+T reliable?
The price and inventory of ADC0820CCM+T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ADC0820CCM+T is usually 5 days.
3.What payment methods are accepted for ADC0820CCM+T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADC0820CCM+T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADC0820CCM+T?
ADC0820CCM+T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADC0820CCM+T 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 ADC0820CCM+T?
For technical support, including ADC0820CCM+T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADC0820CCM+T requirements.
6.How does Aetrix verify that ADC0820CCM+T is sourced from the original manufacturer or authorized distributors?
All ADC0820CCM+T 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 ADC0820CCM+T meets industry standards.
7.What is the process for return or replacement of ADC0820CCM+T?
All ADC0820CCM+T units undergo pre-shipment inspection (PSI). If there is an issue with ADC0820CCM+T, 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 ADC0820CCM+T part is unused and in its original packaging.
Return procedure for ADC0820CCM+T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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