Overview
The ADS1000A0IDBVRG4, produced by Texas Instruments, is a low-power, 12-bit analog-to-digital converter (A/D) with an I2C-compatible serial interface. This device is packaged in a tiny SOT-23-6 package, making it ideal for applications where space and power consumption are critical. The ADS1000 operates from a single power supply ranging from 2.7V to 5.5V and features a programmable gain amplifier (PGA) with gains of 1, 2, 4, or 8. It performs conversions at a rate of 128 samples per second (SPS) and is designed for applications such as portable instrumentation, consumer goods, voltage monitoring, battery management, and industrial process control.
Key Specifications
| Parameter | Min | Max | Unit | |
|---|---|---|---|---|
| Resolution | 12 Bits | |||
| Data Rate | 104 | 128 | 184 | SPS |
| Integral Nonlinearity (INL) | ±0.1 | 1 | LSB | |
| Offset Error | ±2 | LSB | ||
| Gain Error | 0.01 | 0.1 | % | |
| Power-Supply Voltage | 2.7 | 5.5 | V | |
| Supply Current (Active) | 90 | 150 | μA | |
| Supply Current (Power-Down) | 0.05 | 2 | μA | |
| Operating Temperature | -40 | 125 | °C | |
| Storage Temperature | -60 | 150 | °C | |
Key Features
- Low current consumption: Only 90μA in active mode and 0.05μA to 2μA in power-down mode.
- Integral nonlinearity: 1LSB max.
- Single-cycle conversion.
- Programmable gain amplifier with gains of 1, 2, 4, or 8.
- I2C interface with two available addresses.
- Pin- and software-compatible with 16-bit ADS1100.
- Automatic power-down after conversion in single-conversion mode.
- Support for Standard, Fast, and High-speed I2C modes.
Applications
- Portable instrumentation.
- Consumer goods.
- Voltage monitoring.
- Battery management.
- Industrial process control.
- Temperature measurement.
- Low-side current measurement using shunt resistors.
Q & A
- What is the resolution of the ADS1000A0IDBVRG4? The resolution is 12 bits.
- What are the available gains for the PGA in the ADS1000A0IDBVRG4? The PGA offers gains of 1, 2, 4, or 8.
- What is the data rate of the ADS1000A0IDBVRG4? The data rate is up to 128 samples per second (SPS).
- What is the power supply voltage range for the ADS1000A0IDBVRG4? The power supply voltage ranges from 2.7V to 5.5V.
- How does the ADS1000A0IDBVRG4 handle power consumption in idle periods? In single-conversion mode, the device automatically powers down after a conversion, greatly reducing current consumption during idle periods.
- Is the ADS1000A0IDBVRG4 compatible with different I2C speed modes? Yes, it is compatible with Standard, Fast, and High-speed I2C modes.
- How can the ADS1000A0IDBVRG4 be used for single-ended measurements? The device can be configured for single-ended measurements by grounding one of the input pins (usually VIN–) and applying the input signal to the other pin (VIN+).
- What are some typical applications of the ADS1000A0IDBVRG4? Typical applications include portable instrumentation, consumer goods, voltage monitoring, battery management, and industrial process control.
- What is the operating temperature range of the ADS1000A0IDBVRG4? The operating temperature range is from -40°C to 125°C.
- How does the ADS1000A0IDBVRG4 handle differential and single-ended inputs? The device has fully differential inputs but can easily measure single-ended signals by grounding one of the input pins.
