Overview
The AD674BJN is a 12-bit successive-approximation analog-to-digital converter (ADC) produced by Analog Devices Inc. This component is part of the AD674B series, which is known for its high precision, fast conversion times, and low power consumption. The AD674BJN is designed to be pin-compatible with the industry standard AD574A but offers improved performance characteristics such as faster conversion times and enhanced bus-access speeds.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 12 bits |
| Conversion Time | Maximum 15 µs |
| Architecture | Successive-Approximation (SAR) |
| Input Type | Single-Ended, Bipolar |
| Input Ranges | 0 V to 10 V, 0 V to 20 V (unipolar); –5 V to +5 V, –10 V to +10 V (bipolar) |
| Power Supplies | +5 V, ±12 V or ±15 V |
| Operating Temperature Range | 0°C to 70°C (J and K grades) |
| Package | 28-lead plastic DIP (AD674BJN) |
| Interface | Three-state output buffer for direct interface to 8- and 16-bit microprocessor busses |
Key Features
- High-precision voltage reference and clock included on-chip.
- Active laser trimming of thin-film resistors to minimize offset, linearity, and scaling errors.
- Flexible digital interface with multiple-mode three-state output buffers.
- Direct connection to most microprocessors.
- Low power consumption.
- Industry standard pinout compatible with AD574A.
Applications
The AD674BJN is suitable for a variety of applications requiring high-precision analog-to-digital conversion, such as data acquisition systems, industrial control systems, medical devices, and automotive systems. Its fast conversion times and low power consumption make it particularly useful in applications where speed and efficiency are critical.
Q & A
- What is the resolution of the AD674BJN?
The AD674BJN has a resolution of 12 bits. - What is the maximum conversion time of the AD674BJN?
The maximum conversion time is 15 µs. - What are the input ranges for the AD674BJN?
The input ranges are 0 V to 10 V, 0 V to 20 V (unipolar); –5 V to +5 V, –10 V to +10 V (bipolar). - What power supplies are required for the AD674BJN?
The component requires +5 V, ±12 V or ±15 V power supplies. - What is the operating temperature range for the AD674BJN?
The operating temperature range is 0°C to 70°C for the J and K grades. - What type of package is the AD674BJN available in?
The AD674BJN is available in a 28-lead plastic DIP package. - Is the AD674BJN compatible with other industry standards?
Yes, it is pin-compatible with the industry standard AD574A. - What is the architecture of the AD674BJN?
The architecture is Successive-Approximation (SAR). - How does the AD674BJN interface with microprocessors?
The AD674BJN has a three-state output buffer for direct interface to 8- and 16-bit microprocessor busses. - What are some typical applications of the AD674BJN?
Typical applications include data acquisition systems, industrial control systems, medical devices, and automotive systems.
