Overview
The AD674BKN is a 12-bit successive-approximation analog-to-digital converter (ADC) produced by Analog Devices Inc. This component is part of the AD674B series, known for its high precision and fast conversion times. The AD674BKN is designed to be pin-compatible with the industry-standard AD574A but offers improved performance, including faster conversion times and lower power consumption. It features an on-chip high-precision voltage reference and clock, making it a versatile choice for various applications.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 12 bits |
| Conversion Time | 15 µs (maximum) |
| Input Voltage Ranges | 0 V to 10 V, 0 V to 20 V (unipolar); –5 V to +5 V, –10 V to +10 V (bipolar) |
| Operating Supply Voltage | +5 V, ±12 V or ±15 V |
| Package Type | 28-lead plastic DIP (PDIP) |
| Temperature Range | 0°C to 70°C (J and K grades) |
| Integral Nonlinearity (INL) | ±0.5 LSB |
| Sampling Rate | 66 ksps |
| Power Dissipation | 375 mW |
Key Features
- High-Precision Voltage Reference and Clock: Integrated on-chip for reliable operation.
- Fast Conversion Time: Converts in 15 µs (maximum), making it suitable for high-speed applications.
- Flexible Digital Interface: Multiple-mode three-state output buffers allow direct connection to most microprocessors.
- Industry Standard Pinout: Compatible with the AD574A, ensuring ease of integration into existing designs.
- Low Power Consumption: Optimized for power efficiency, reducing the overall power requirements of the system.
- Bipolar and Unipolar Operation: Supports four calibrated ranges for both bipolar and unipolar inputs.
Applications
- Industrial Automation: Suitable for high-precision measurement and control systems.
- Consumer Electronics: Used in various consumer electronic devices requiring accurate analog-to-digital conversion.
- Medical Devices: Ideal for medical equipment that demands high precision and reliability.
- Aerospace and Defense: Meets the stringent requirements of aerospace and defense applications due to its high performance and reliability.
Q & A
- What is the resolution of the AD674BKN ADC?
The AD674BKN has a resolution of 12 bits.
- What are the input voltage ranges supported by the AD674BKN?
The AD674BKN supports input voltage ranges of 0 V to 10 V, 0 V to 20 V (unipolar), and –5 V to +5 V, –10 V to +10 V (bipolar).
- What is the maximum conversion time of the AD674BKN?
The maximum conversion time of the AD674BKN is 15 µs.
- What are the operating supply voltages for the AD674BKN?
The AD674BKN operates on +5 V and ±12 V or ±15 V power supplies.
- What is the package type of the AD674BKN?
The AD674BKN is available in a 28-lead plastic DIP (PDIP) package.
- What is the temperature range for the AD674BKN?
The AD674BKN is specified for operation over the 0°C to 70°C temperature range.
- What is the integral nonlinearity (INL) of the AD674BKN?
The integral nonlinearity (INL) of the AD674BKN is ±0.5 LSB.
- Is the AD674BKN compatible with industry-standard pinouts?
Yes, the AD674BKN is pin-compatible with the industry-standard AD574A.
- What are some typical applications of the AD674BKN?
The AD674BKN is used in industrial automation, consumer electronics, medical devices, and aerospace and defense applications.
- Is the AD674BKN still in production?
No, the AD674BKN is obsolete and no longer manufactured. However, substitutes are available.
