Overview
The ADS7816EB/250 is a 12-bit, high-speed, micro-power sampling analog-to-digital converter (ADC) produced by Texas Instruments. This device is designed for low power operation with automatic power down, making it ideal for battery-operated systems and applications where multiple signals need to be acquired simultaneously. It features a synchronous serial interface and a differential input, with a reference voltage that can be varied from 100mV to 5V, corresponding to a resolution range of 24µV to 1.22mV. The ADS7816EB/250 is available in various packages, including 8-pin plastic mini-DIP, 8-lead SOIC, and 8-lead MSOP.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Resolution (Bits) | 12 | Bits |
| Sample Rate (max) | 200 | ksps |
| Number of Input Channels | 1 | |
| Interface Type | SPI | |
| Architecture | SAR | |
| Input Type | Single-ended, Pseudo-Differential | |
| Operating Temperature Range | -40 to 85 | °C |
| Power Consumption (typ) | 1.9 | mW |
| Analog Supply Voltage (min/max) | 4.5 / 5.25 | V |
| Digital Supply Voltage (min/max) | 4.5 / 5.25 | V |
| SNR | 72 | dB |
| Input Voltage Range (max/min) | 0 / 5.25 | V |
Key Features
- Fast conversion time
- High accuracy sampling
- Low power consumption with automatic power down
- Robust electromagnetic immunity
- Wide input range compatibility
- Flexible communication interface (SPI)
Applications
The ADS7816EB/250 is ideal for various applications, including battery-operated systems, remote and/or isolated data acquisition, and systems requiring the simultaneous acquisition of multiple signals. Its low power consumption and small size make it suitable for use in portable devices, industrial automation, medical devices, and other applications where power efficiency and high-speed data conversion are critical.
Q & A
- What is the resolution of the ADS7816EB/250?
The resolution of the ADS7816EB/250 is 12 bits.
- What is the maximum sample rate of the ADS7816EB/250?
The maximum sample rate is 200 kHz.
- What types of packages are available for the ADS7816EB/250?
The device is available in 8-pin plastic mini-DIP, 8-lead SOIC, and 8-lead MSOP packages.
- What is the operating temperature range of the ADS7816EB/250?
The operating temperature range is -40°C to 85°C.
- What is the typical power consumption of the ADS7816EB/250?
The typical power consumption is 1.9 mW.
- What is the input voltage range for the ADS7816EB/250?
The input voltage range is from 0 V to 5.25 V.
- Does the ADS7816EB/250 support differential inputs?
Yes, the ADS7816EB/250 supports differential inputs as well as single-ended inputs.
- What is the signal-to-noise ratio (SNR) of the ADS7816EB/250?
The SNR is 72 dB.
- Is the ADS7816EB/250 suitable for battery-operated systems?
Yes, it is ideal for battery-operated systems due to its low power consumption and automatic power down feature.
- What interface type does the ADS7816EB/250 use?
The device uses a synchronous serial interface (SPI).
