Overview
The AD677JD is a 16-bit analog-to-digital converter (ADC) produced by Analog Devices, Inc. This integrated circuit is designed for high-performance applications requiring precise analog-to-digital conversion. The AD677JD utilizes a switched-capacitor/charge redistribution architecture, which enables a 100 kSPS conversion rate and excellent dc and ac performance. The device is particularly suited for signal processing and measurement applications due to its robust specifications and features.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | ADI (Analog Devices, Inc.) |
| Package / Case | 16-CDIP (0.300", 7.62mm) |
| Operating Temperature | 0°C ~ 70°C |
| Number of Inputs | 1 |
| Number of Bits | 16 |
| Number of A/D Converters | 1 |
| Sampling Rate (Per Second) | 100k |
| Reference Type | External |
| Ratio - S/H:ADC | 1:1 |
| Input Type | Single Ended |
| Architecture | SAR (Successive Approximation Register) |
| Voltage - Supply, Digital | 5V |
| Voltage - Supply, Analog | ±12V |
| Data Interface | SPI |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| Lead Free Status / RoHS Status | Contains lead / RoHS non-compliant |
Key Features
- Autocalibration: The AD677JD features on-chip autocalibration, which eliminates the need for user adjustments or additional external circuitry, ensuring excellent dc performance.
- High Conversion Rate: The device operates at a 100 kSPS conversion rate with a total conversion time of 10 µs.
- Excellent AC and DC Performance: It offers -99 dB THD, 92 dB S/(N+D) peak spurious, and -101 dB ac performance. DC performance includes 1.0 LSB INL, ±1 LSB full scale and offset.
- Serial Interface: The AD677JD has an easy-to-use serial interface compatible with standard ADI DSPs.
- Separate Analog and Digital Grounds: The device provides separate analog and digital grounds to reduce digital crosstalk and includes an analog ground sense for remote sensing of the signal source ground potential.
- Sample/Hold Function: The AD677JD includes an integrated sample/hold function without the need for additional external circuitry.
Applications
- Signal Processing: The AD677JD is ideal for signal processing applications due to its high ac performance parameters such as S/(N+D) Ratio, THD, and IMD.
- Measurement Applications: Its excellent dc performance makes it suitable for measurement applications requiring high accuracy and precision.
- Industrial and Medical Devices: The device can be used in various industrial and medical devices where high-resolution analog-to-digital conversion is necessary.
Q & A
- What is the conversion rate of the AD677JD?
The AD677JD operates at a conversion rate of 100 kSPS (100,000 samples per second).
- What is the resolution of the AD677JD?
The AD677JD is a 16-bit analog-to-digital converter.
- What type of architecture does the AD677JD use?
The AD677JD uses a Successive Approximation Register (SAR) architecture.
- What is the input type of the AD677JD?
The AD677JD has a single-ended input type.
- Does the AD677JD require external calibration?
No, the AD677JD features on-chip autocalibration, eliminating the need for user adjustments or additional external circuitry.
- What is the operating temperature range of the AD677JD?
The operating temperature range of the AD677JD is 0°C to 70°C.
- What is the power supply requirement for the AD677JD?
The AD677JD operates from +5 V digital supply and ±12 V analog supplies.
- Is the AD677JD RoHS compliant?
No, the AD677JD contains lead and is not RoHS compliant.
- What is the data interface type of the AD677JD?
The AD677JD uses a Serial Peripheral Interface (SPI).
- Does the AD677JD have separate analog and digital grounds?
