Overview
The ADS7816UC from Texas Instruments is a 12-bit, high-speed, micropower sampling analog-to-digital converter (ADC). This device is part of the Data Acquisition range of Integrated Circuits and is designed for industrial and commercial applications that require accurate and fast conversion of analog signals to digital data. The ADS7816UC features a single-input, single-channel architecture, making it ideal for systems monitoring temperature, pressure, vibration, or other process parameters. It operates with low power consumption and includes automatic power down, a synchronous serial interface, and a differential input.
Key Specifications
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Manufacturer | Texas Instruments | Series | ADS7816 |
| Mounting Style | SMD/SMT | Resolution | 12 bit |
| Number of Channels | 1 Channel | Interface Type | 3-Wire, SPI |
| Sampling Rate | 200 kS/s | Input Type | Pseudo-Differential |
| Architecture | SAR (Successive Approximation Register) | Analog Supply Voltage | 4.5 V to 5.25 V |
| Digital Supply Voltage | 4.5 V to 5.25 V | Minimum Operating Temperature | -40°C |
| Maximum Operating Temperature | +85°C | DNL - Differential Nonlinearity | +/- 0.75 LSB |
| INL - Integral Nonlinearity | +/- 1 LSB | Power Consumption | 1.9 mW at 200kHz, 150µW at 12.5kHz |
| Reference Type | External | SINAD - Signal to Noise and Distortion Ratio | 72 dB |
| Package / Case | 8-SOIC | Height | 1.58 mm |
| Length | 4.9 mm | Width | 3.91 mm |
Key Features
- 12-bit resolution
- Single-input, single-channel architecture
- SAR (Successive Approximation Register) architecture
- SPI (Serial Peripheral Interface) data interface
- External reference input with a range from 100mV to VCC
- Operating temperature range: -40°C to 85°C
- Low power operation with automatic power down: 1.9 mW at 200kHz, 150µW at 12.5kHz, and 3µA max in power down mode
- Differential input
- Available in 8-pin plastic mini-DIP, SOIC, and MSOP packages
Applications
- Industrial process control systems
- Medical equipment monitoring
- Aerospace and defense applications
- Automotive sensor systems
- Building automation and control systems
- Battery operated systems
- Remote and/or isolated data acquisition
Q & A
- What is the resolution of the ADS7816UC?
The ADS7816UC has a 12-bit resolution.
- What is the sampling rate of the ADS7816UC?
The sampling rate of the ADS7816UC is up to 200 kHz.
- What type of input does the ADS7816UC support?
The ADS7816UC supports a pseudo-differential input.
- What is the operating temperature range of the ADS7816UC?
The operating temperature range is from -40°C to 85°C.
- What is the power consumption of the ADS7816UC at 200kHz?
The power consumption at 200kHz is 1.9 mW.
- Does the ADS7816UC have an automatic power down feature?
Yes, the ADS7816UC has an automatic power down feature with a maximum power down current of 3µA.
- What type of interface does the ADS7816UC use?
The ADS7816UC uses a 3-wire SPI (Serial Peripheral Interface) data interface.
- What is the reference voltage range for the ADS7816UC?
The reference voltage can be varied from 100mV to VCC.
- In what packages is the ADS7816UC available?
The ADS7816UC is available in 8-pin plastic mini-DIP, SOIC, and MSOP packages.
- What are some typical applications of the ADS7816UC?
Typical applications include industrial process control systems, medical equipment monitoring, aerospace and defense applications, automotive sensor systems, and building automation and control systems.
