Overview
The ADS7830IPWTG4, produced by Texas Instruments, is a single-supply, low-power, 8-bit analog-to-digital converter (ADC) with an I2C serial interface. This device is designed for applications requiring high accuracy and low power consumption. It features an 8-channel multiplexer, a sample-and-hold amplifier, and an internal asynchronous clock, making it ideal for remote data acquisition and isolated data acquisition systems. The ADS7830IPWTG4 operates over a wide supply voltage range of 2.7V to 5V and is available in a TSSOP-16 package.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Voltage (+VDD) | 2.7 | - | 5.25 | V |
| Sampling Rate | - | - | 70 kSPS (High-Speed Mode) | kSPS |
| Resolution | - | - | 8 bits | - |
| Integral Linearity Error (INL) | ±0.1 | - | ±0.5 | LSB |
| Differential Linearity Error (DNL) | ±0.1 | - | ±0.5 | LSB |
| Power Consumption (High-Speed Mode) | - | - | 675 µW | µW |
| Operating Temperature Range | -40 | - | +125 | °C |
| Number of Analog Inputs | - | - | 8 | - |
| I2C Modes Supported | - | - | Standard, Fast, High-Speed | - |
Key Features
- Low Power Consumption: The ADS7830IPWTG4 consumes as low as 180 µW in Standard Mode, 300 µW in Fast Mode, and 675 µW in High-Speed Mode.
- High Accuracy: Features ±0.5 LSB integral and differential linearity error, ensuring high accuracy in data conversion.
- Multiple I2C Modes: Supports Standard, Fast, and High-Speed I2C modes, providing flexibility in data transfer rates.
- Internal Reference and Buffer: Includes a built-in 2.5V reference and buffer, which can also be configured to use an external reference.
- 8-Channel Multiplexer: Allows for the selection of up to 8 analog input channels, either single-ended or differential.
- Sample-and-Hold Amplifier: Integrated sample-and-hold amplifier ensures accurate sampling of the analog input signals.
- Wide Operating Range: Operates over a temperature range of -40°C to +125°C and a supply voltage range of 2.7V to 5V.
Applications
- Voltage Supply Monitoring: Ideal for monitoring voltage levels in various systems.
- Isolated Data Acquisition: Suitable for applications requiring isolation between the analog input and the digital output.
- Transducer Interface: Can be used to interface with various transducers in industrial and medical applications.
- Battery-Operated Systems: Low power consumption makes it suitable for battery-operated devices.
- Remote Data Acquisition: Perfect for remote sensing and data acquisition applications due to its low power and high accuracy.
Q & A
- What is the resolution of the ADS7830IPWTG4?
The ADS7830IPWTG4 has an 8-bit resolution.
- What are the supported I2C modes for the ADS7830IPWTG4?
The device supports Standard, Fast, and High-Speed I2C modes.
- What is the maximum sampling rate of the ADS7830IPWTG4?
The maximum sampling rate is 70 kSPS in High-Speed Mode.
- What is the power consumption in High-Speed Mode?
The power consumption in High-Speed Mode is 675 µW.
- How many analog input channels does the ADS7830IPWTG4 have?
The device has 8 analog input channels.
- What is the operating temperature range of the ADS7830IPWTG4?
The operating temperature range is -40°C to +125°C.
- Can the ADS7830IPWTG4 use an external reference voltage?
Yes, the device can be configured to use an external reference voltage.
- What is the typical integral linearity error of the ADS7830IPWTG4?
The typical integral linearity error is ±0.5 LSB.
- Is the ADS7830IPWTG4 suitable for battery-operated systems?
Yes, due to its low power consumption, it is suitable for battery-operated systems.
- What package type is the ADS7830IPWTG4 available in?
The device is available in a TSSOP-16 package.
