Analog Devices Inc. AD678KD
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $693.49 | $693.49 |
| 15+ | $159.50 | $2,392.50 |
| 25+ | $156.03 | $3,900.75 |
| 50+ | $147.36 | $7,368.00 |
| 100+ | $130.03 | $13,003.00 |
| N+ | $26.01 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Analog Devices Inc. |
| Product Series | |
| Packaging | Marketplace | Tube |
| Number of Bits | 12 |
| Sampling Rate (Per Second) | 200k |
| Number of Inputs | 1 |
| Input Type | 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 | Internal |
| Voltage - Supply, Analog | ±12V |
| Voltage - Supply, Digital | 5V |
| Features | - |
| Operating Temperature | 0°C ~ 70°C |
| Mounting Type | Through Hole |
| Grade | - |
| Qualification | - |
| Package / Case | 28-CDIP (0.600", 15.24mm) |
| Supplier Device Package | 28-CDIP |
| ROHS |  |
The AD678KD from Analog Devices is a high-performance 12-bit analog-to-digital converter featuring a sample-and-hold architecture and a maximum sampling rate of 200k SPS. This single-channel device integrates an internal voltage reference, simplifying circuit design and reducing external component count. Its parallel interface ensures seamless integration with microprocessors and DSPs in embedded systems. Designed for industrial temperature ranges (0°C to 70°C), the AD678KD is well-suited for data acquisition, industrial control, and medical instrumentation applications where accuracy and reliability are paramount.
- Integrated Sample-and-Hold: The built-in S/H circuit eliminates the need for external track-and-hold amplifiers, reducing board space and design complexity.
- Internal Reference: The on-chip voltage reference ensures stable conversion accuracy without requiring additional precision components.
- Parallel Interface: High-speed parallel output simplifies connection to 8-bit or 16-bit data buses, enabling fast data transfer to host processors.
- Proven Reliability: Analog Devices' ceramic DIP packaging provides robust thermal and mechanical performance for long-term industrial use.
Industrial Process Control
The AD678KD's 12-bit resolution and 200k SPS sampling rate enable accurate digitization of 4-20 mA loop signals and voltage outputs from industrial transducers, ensuring precise process monitoring and control in factory automation systems.
Data Acquisition Systems
With its internal reference and parallel interface, the AD678KD simplifies the design of multi-channel data acquisition boards, allowing direct connection to DSPs or microcontrollers for high-speed data logging and analysis.
Medical Instrumentation
In patient monitoring equipment, the AD678KD converts analog biosignals such as ECG and EEG with 12-bit precision, providing reliable data for diagnostic algorithms while maintaining low power consumption.
Test and Measurement Equipment
The device's 200k SPS throughput and sample-and-hold architecture make it ideal for benchtop multimeters and waveform digitizers, capturing transient signals with minimal aperture error.
Automotive Sensor Interfaces
Operating from 0°C to 70°C, the AD678KD can be used in automotive test benches to digitize temperature, pressure, and position sensor outputs, delivering stable performance in controlled environments.
Robotics and Motion Control
For servo feedback loops, the AD678KD converts encoder and potentiometer signals with 12-bit accuracy, enabling precise position and velocity control in robotic arms and CNC machinery.
- Q: What type of ADC is the AD678KD?
- A: The AD678KD is a 12-bit successive approximation (S/H-ADC) analog-to-digital converter with a built-in sample-and-hold function.
- Q: What is the resolution of the AD678KD?
- A: The AD678KD offers 12-bit resolution, providing 4096 discrete output levels for precise signal digitization.
- Q: What is the maximum sampling rate?
- A: The AD678KD supports a maximum sampling rate of 200k SPS (samples per second), suitable for moderate-speed data acquisition.
- Q: How many input channels does it have?
- A: It features a single input channel (1 channel) for analog signal conversion.
- Q: What interface does the AD678KD use?
- A: It uses a parallel interface for direct connection to microprocessors or digital systems.
- Q: What package is the AD678KD available in?
- A: It comes in a 28-CDIP (0.600", 15.24mm) ceramic dual-inline package, operating from 0°C to 70°C.
AD678KD.pdf
- Q: What type of ADC is the AD678KD?
- A: The AD678KD is a 12-bit successive approximation (S/H-ADC) analog-to-digital converter with a built-in sample-and-hold function.
- Q: What is the resolution of the AD678KD?
- A: The AD678KD offers 12-bit resolution, providing 4096 discrete output levels for precise signal digitization.
- Q: What is the maximum sampling rate?
- A: The AD678KD supports a maximum sampling rate of 200k SPS (samples per second), suitable for moderate-speed data acquisition.
- Q: How many input channels does it have?
- A: It features a single input channel (1 channel) for analog signal conversion.
- Q: What interface does the AD678KD use?
- A: It uses a parallel interface for direct connection to microprocessors or digital systems.
- Q: What package is the AD678KD available in?
- A: It comes in a 28-CDIP (0.600", 15.24mm) ceramic dual-inline package, operating from 0°C to 70°C.
