Overview
The AD7880BN is a 12-bit, low-power, successive approximation register (SAR) analog-to-digital converter (ADC) produced by Analog Devices Inc. This component is designed for high accuracy and efficiency in data acquisition applications. It operates on a single 5V supply voltage and features a sample-and-hold (S/H) circuit with a 1:1 ratio to the ADC, ensuring precise and rapid analog-to-digital conversion. The AD7880BN is packaged in a 24-pin DIP (Dual In-Line Package) with dimensions of 0.300 inches by 7.62 mm, making it suitable for a variety of electronic systems.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Bits | 12 |
| Sampling Rate (Per Second) | 100 ksps (66 ksps for some configurations) |
| Number of Inputs | 2 |
| Input Type | Single Ended |
| Data Interface | Parallel |
| Configuration | S/H-ADC |
| Ratio - S/H:ADC | 1:1 |
| Number of A/D Converters | 1 |
| Architecture | SAR (Successive Approximation Register) |
| Reference Type | External, Supply |
| Voltage - Supply, Analog | 5V |
| Voltage - Supply, Digital | 5V |
| Operating Temperature | -40°C ~ 85°C |
| Package / Case | 24-DIP (0.300", 7.62mm) |
| Integral Nonlinearity (INL) | 1 LSB |
| Differential Nonlinearity | 1 LSB |
Key Features
- High Accuracy: The AD7880BN features high accuracy with an integral nonlinearity (INL) and differential nonlinearity (DNL) of 1 LSB, ensuring precise analog-to-digital conversion.
- Low Power Consumption: Designed for low power consumption, making it suitable for battery-powered and power-sensitive applications.
- Single Supply Operation: Operates on a single 5V supply voltage, simplifying system design and reducing component count.
- Parallel Data Interface: Provides a parallel data interface for easy integration with microprocessors and other digital systems.
- Sample-and-Hold Circuit: Includes a built-in sample-and-hold circuit with a 1:1 ratio to the ADC, ensuring accurate and rapid signal conversion.
Applications
- Data Acquisition Systems: Ideal for use in data acquisition systems where high accuracy and low power consumption are critical.
- Industrial Control Systems: Suitable for industrial control systems that require precise analog-to-digital conversion.
- Medical Devices: Used in medical devices where accuracy and reliability are paramount.
- Automotive Systems: Applicable in automotive systems for sensor data conversion and other control functions.
Q & A
- What is the resolution of the AD7880BN ADC?
The AD7880BN is a 12-bit analog-to-digital converter.
- What is the sampling rate of the AD7880BN?
The sampling rate of the AD7880BN is 100 ksps (66 ksps for some configurations).
- How many analog input channels does the AD7880BN have?
The AD7880BN has 2 analog input channels.
- What is the supply voltage for the AD7880BN?
The AD7880BN operates on a single 5V supply voltage.
- What is the package type of the AD7880BN?
The AD7880BN is packaged in a 24-pin DIP (Dual In-Line Package).
- What is the operating temperature range of the AD7880BN?
The operating temperature range of the AD7880BN is -40°C to 85°C.
- Does the AD7880BN have a built-in sample-and-hold circuit?
Yes, the AD7880BN includes a built-in sample-and-hold circuit with a 1:1 ratio to the ADC.
- What is the data interface type of the AD7880BN?
The AD7880BN has a parallel data interface.
- Is the AD7880BN suitable for low power applications?
Yes, the AD7880BN is designed for low power consumption, making it suitable for battery-powered and power-sensitive applications.
- What are some common applications of the AD7880BN?
The AD7880BN is commonly used in data acquisition systems, industrial control systems, medical devices, and automotive systems.
