Overview
The ADS7816UB/2K5G4 is a 12-bit, single-channel, successive approximation register (SAR) analog-to-digital converter (ADC) produced by Texas Instruments. This device is designed for high-speed, micro-power applications and is particularly suited for industrial and portable instrumentation. It features a synchronous serial interface, low power operation with automatic power down, and a differential input. The ADC operates with a sampling rate of up to 200 kHz and requires an external reference voltage that can range from 100 mV to 5 V. Its compact design and low power consumption make it ideal for battery-operated systems and remote or isolated data acquisition applications.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Units |
|---|---|---|---|---|---|
| Resolution | 12 | Bits | |||
| Sampling Rate | 200 kHz | ||||
| Input Type | Differential | ||||
| Supply Voltage (Analog/Digital) | 4.5 V | 5 V | 5.25 V | V | |
| Operating Temperature | -40°C | +85°C | °C | ||
| Integral Linearity Error | ±0.5 LSB | ±2 LSB | LSB | ||
| Differential Linearity Error | ±0.25 LSB | ±1 LSB | LSB | ||
| Offset Error | ±4 LSB | LSB | |||
| Gain Error | ±4 LSB | LSB | |||
| Package/Case | 8-SOIC |
Key Features
- High-Speed Conversion: The ADS7816UB/2K5G4 operates at a sampling rate of up to 200 kHz, making it suitable for high-speed data acquisition applications.
- Low Power Consumption: It features low power operation with automatic power down, which is ideal for battery-operated systems and power-sensitive applications.
- Differential Input: The ADC has a differential input, which enhances noise immunity and signal integrity.
- External Reference Voltage: The reference voltage can be varied from 100 mV to 5 V, allowing for flexible input range settings.
- Synchronous Serial Interface: The device uses a 3-wire SPI interface for data communication, facilitating easy integration into various systems.
- Compact Packaging: Available in an 8-pin SOIC package, it is suitable for space-constrained designs.
Applications
- Industrial Instrumentation: Ideal for industrial measurement and control systems due to its high accuracy and reliability.
- Portable Instrumentation: Suitable for handheld and portable devices where low power consumption is critical.
- Remote and Isolated Data Acquisition: Its low power and compact design make it suitable for remote sensing and isolated data acquisition applications.
- Battery-Operated Systems: The low power operation and automatic power down feature make it an excellent choice for battery-powered devices.
Q & A
- Q: What is the resolution of the ADS7816UB/2K5G4 ADC?
A: The resolution of the ADS7816UB/2K5G4 is 12 bits.
- Q: What is the maximum sampling rate of the ADS7816UB/2K5G4?
A: The maximum sampling rate is 200 kHz.
- Q: What type of input does the ADS7816UB/2K5G4 have?
A: The ADS7816UB/2K5G4 has a differential input.
- Q: What is the operating temperature range of the ADS7816UB/2K5G4?
A: The operating temperature range is from -40°C to +85°C.
- Q: What is the supply voltage range for the ADS7816UB/2K5G4?
A: The supply voltage range is from 4.5 V to 5.25 V.
- Q: What type of interface does the ADS7816UB/2K5G4 use?
A: The device uses a 3-wire SPI interface.
- Q: Can the reference voltage be adjusted?
A: Yes, the reference voltage can be varied from 100 mV to 5 V.
- Q: What is the package type of the ADS7816UB/2K5G4?
A: The device is available in an 8-pin SOIC package.
- Q: Is the ADS7816UB/2K5G4 suitable for battery-operated systems?
A: Yes, it is suitable due to its low power operation and automatic power down feature.
- Q: What is the architecture of the ADS7816UB/2K5G4 ADC?
A: The ADC uses a successive approximation register (SAR) architecture.
