Overview
The ADS1100A5IDBVTG4, produced by Texas Instruments, is a precision, continuously self-calibrating Analog-to-Digital (A/D) converter. This device features differential inputs and offers up to 16 bits of resolution, making it highly suitable for applications requiring high-accuracy measurements. The ADS1100 is packaged in a small SOT23-6 package, which is advantageous for space-constrained designs. It operates from a single power supply ranging from 2.7V to 5.5V and uses an I2C-compatible serial interface for communication.
Key Specifications
| Parameter | Min | Typ | Max | Units |
|---|---|---|---|---|
| Power-Supply Voltage (VDD) | 2.7 | 5.5 | V | |
| Supply Current (Power Down) | 0.05 | 2 | µA | |
| Supply Current (Active Mode) | 90 | 150 | µA | |
| Power Dissipation (VDD = 5.0V) | 450 | 750 | µW | |
| Power Dissipation (VDD = 3.0V) | 210 | µW | ||
| Resolution and No Missing Codes | 12, 14, 15, 16 | Bits | ||
| Data Rate | 8, 16, 32, 128 | SPS | ||
| Programmable Gain Amplifier (PGA) | 1, 2, 4, 8 | |||
| Differential Input Impedance | 2.4/PGA | MΩ | ||
| Common-Mode Input Impedance | 8 | MΩ |
Key Features
- Continuously self-calibrating, ensuring high accuracy without user intervention.
- Differential inputs with up to 16 bits of resolution.
- Programmable Gain Amplifier (PGA) with gains of up to 8, allowing for the measurement of smaller signals with high resolution.
- I2C-compatible serial interface for easy communication.
- Single power supply operation from 2.7V to 5.5V.
- Low power consumption with automatic power-down after a conversion in single-conversion mode.
- Onboard clock generator, eliminating the need for an external clock.
- Small SOT23-6 package, ideal for space-constrained designs.
Applications
The ADS1100A5IDBVTG4 is designed for applications that require high-resolution measurement, such as industrial automation, medical devices, and precision instrumentation. Its low power consumption and small package size make it particularly suitable for battery-powered devices and compact systems. Other potential applications include sensor interfaces, data acquisition systems, and any scenario where precise analog-to-digital conversion is necessary.
Q & A
- What is the resolution of the ADS1100A5IDBVTG4? The ADS1100A5IDBVTG4 offers resolutions of up to 16 bits.
- What are the available gain settings for the PGA? The Programmable Gain Amplifier (PGA) offers gains of 1, 2, 4, and 8.
- What is the operating voltage range of the ADS1100A5IDBVTG4? The device operates from a single power supply ranging from 2.7V to 5.5V.
- How does the ADS1100A5IDBVTG4 communicate? It uses an I2C-compatible serial interface.
- What are the available data rates for the ADS1100A5IDBVTG4? The data rates available are 8, 16, 32, and 128 samples per second (SPS).
- Does the ADS1100A5IDBVTG4 require external calibration? No, it incorporates continuous self-calibration circuitry that requires no user intervention.
- What is the typical power consumption of the ADS1100A5IDBVTG4 in active mode? The typical power consumption in active mode is between 90µA and 150µA.
- How does the ADS1100A5IDBVTG4 manage power in single-conversion mode? In single-conversion mode, the device automatically powers down after a conversion to reduce current consumption.
- What is the input impedance of the ADS1100A5IDBVTG4? The differential input impedance is typically 2.4MΩ/PGA, and the common-mode input impedance is typically 8MΩ.
- What package type is the ADS1100A5IDBVTG4 available in? The device is packaged in a small SOT23-6 package.
