Overview
The ADS7816E/2K5 is a 12-bit, high-speed, micropower sampling analog-to-digital converter (ADC) produced by Texas Instruments. This device is designed for low power operation and features a synchronous serial interface and differential input. It is fabricated on a 0.6µ CMOS process, allowing for high-speed conversions while consuming minimal power. The ADS7816E/2K5 is suitable for a variety of applications, including battery-operated systems, remote data acquisition, and isolated data acquisition.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Number of Bits | 12 | |
| Sampling Rate | 200 kHz | |
| Input Type | Differential | |
| Data Interface | SPI | |
| Architecture | Successive Approximation Register (SAR) | |
| Reference Type | External | |
| Supply Voltage (Analog/Digital) | 5 V | V |
| Operating Temperature Range | -40°C to 85°C | °C |
| Package Type | 8-VSSOP, 8-MSOP | |
| Power Consumption at 200 kHz | 1.9 mW | mW |
| Power Consumption at 12.5 kHz | 150 µW | µW |
| Power Down Current | 3 µA (max) | µA |
| Integral Linearity Error | ±0.5 LSB | LSB |
| Differential Linearity Error | ±0.5 LSB | LSB |
Key Features
- Low power operation with automatic power down
- Synchronous serial interface
- Differential input
- External reference voltage adjustable from 100 mV to VCC
- High-speed sampling rate of up to 200 kHz
- Small package options including 8-pin VSSOP, SOIC, and MSOP
- Micro power consumption: 1.9 mW at 200 kHz and 150 µW at 12.5 kHz
- Power down current of 3 µA (max)
Applications
- Battery-operated systems
- Remote data acquisition
- Isolated data acquisition
- Systems requiring simultaneous acquisition of multiple signals
Q & A
- What is the resolution of the ADS7816E/2K5?
The ADS7816E/2K5 has a resolution of 12 bits. - What is the maximum sampling rate of the ADS7816E/2K5?
The maximum sampling rate is 200 kHz. - What type of input does the ADS7816E/2K5 support?
The ADS7816E/2K5 supports differential input. - What is the data interface type of the ADS7816E/2K5?
The data interface is SPI (Synchronous Serial Interface). - What is the architecture of the ADS7816E/2K5?
The architecture is based on a Successive Approximation Register (SAR). - What is the operating temperature range of the ADS7816E/2K5?
The operating temperature range is -40°C to 85°C. - How much power does the ADS7816E/2K5 consume at 200 kHz?
The power consumption at 200 kHz is 1.9 mW. - What is the power down current of the ADS7816E/2K5?
The power down current is 3 µA (max). - Can the reference voltage be adjusted?
Yes, the external reference voltage can be adjusted from 100 mV to VCC. - What are the package options for the ADS7816E/2K5?
The package options include 8-pin VSSOP, SOIC, and MSOP.
