AD7960BCPZ

Product Overview

Category

AD7960BCPZ belongs to the category of analog-to-digital converters (ADCs).

Use

The AD7960BCPZ is used for converting analog signals into digital data. It is commonly employed in various applications that require precise and accurate conversion of analog signals, such as industrial automation, medical equipment, and scientific instruments.

Characteristics

• High resolution: The AD7960BCPZ offers a resolution of up to 18 bits, ensuring accurate digitization of analog signals.
• Fast conversion rate: With a maximum sampling rate of 5 MSPS (Mega Samples Per Second), it enables real-time conversion of high-frequency signals.
• Low power consumption: The device operates at low power levels, making it suitable for battery-powered applications.
• Wide input voltage range: It can handle a wide range of input voltages, allowing flexibility in signal acquisition.
• Integrated features: The AD7960BCPZ incorporates various features like programmable gain amplifiers, reference buffers, and digital filters, enhancing its versatility and performance.

Package and Quantity

The AD7960BCPZ comes in a compact LFCSP (Lead Frame Chip Scale Package) package. It is available in tape and reel packaging, with a quantity of 250 units per reel.

Specifications

• Resolution: Up to 18 bits
• Sampling Rate: Up to 5 MSPS
• Input Voltage Range: ±10V
• Power Supply: 3.3V
• Operating Temperature Range: -40°C to +85°C
• Package Type: LFCSP
• Package Dimensions: 4mm x 4mm

Pin Configuration

The AD7960BCPZ has a total of 32 pins, which are assigned specific functions. Here is the detailed pin configuration:

1. VDD: Power supply input
2. VREF: Reference voltage input
3. AGND: Analog ground
4. VIN(+) and VIN(-): Differential analog input
5. REFOUT: Reference output
6. DGND: Digital ground
7. SCLK: Serial clock input
8. SDI: Serial data input
9. CS: Chip select input
10. SDO: Serial data output
11. DOUT/RDY: Data output/Ready signal 12-19: Reserved 20-32: NC (No Connection)

Functional Features

High Resolution

The AD7960BCPZ offers a resolution of up to 18 bits, ensuring precise and accurate conversion of analog signals. This high resolution enables the capture of fine details in the input signal.

Fast Conversion Rate

With a maximum sampling rate of 5 MSPS, the AD7960BCPZ can convert analog signals into digital data in real-time. This fast conversion rate is particularly useful for applications that involve high-frequency signals.

Low Power Consumption

The AD7960BCPZ operates at low power levels, making it suitable for battery-powered applications. Its efficient power management ensures minimal energy consumption without compromising performance.

Integrated Features

The device incorporates programmable gain amplifiers, reference buffers, and digital filters. These integrated features enhance the versatility and performance of the AD7960BCPZ, allowing for customization and optimization based on specific application requirements.

Advantages and Disadvantages

Advantages

• High resolution for accurate signal digitization.
• Fast conversion rate enables real-time processing.
• Low power consumption for energy-efficient operation.
• Wide input voltage range provides flexibility in signal acquisition.
• Integrated features enhance performance and versatility.

Disadvantages

• Limited pin count may restrict connectivity options in complex systems.
• Higher cost compared to lower-resolution ADCs.
• Requires careful PCB layout and grounding for optimal performance.

Working Principles

The AD7960BCPZ operates based on the successive approximation register (SAR) architecture. It utilizes a sample-and-hold circuit to capture the analog input signal, which is then converted into digital data using a series of comparisons and approximations. The internal programmable gain amplifiers and reference buffers ensure accurate and reliable conversion.

Detailed Application Field Plans

The AD7960BCPZ finds applications in various fields, including:

1. Industrial Automation: Used for precise measurement and control in industrial processes, such as motor control, temperature sensing, and pressure monitoring.
2. Medical Equipment: Enables accurate data acquisition in medical devices like patient monitors, electrocardiographs, and blood analyzers.
3. Scientific Instruments: Suitable for scientific research instruments that require high-resolution data acquisition, such as spectrometers, oscilloscopes, and data loggers.

Detailed Alternative Models

1. AD7980: Similar to AD7960BCPZ but with a higher resolution of 20 bits.
2. ADS8860: Offers comparable performance with a resolution of 18 bits