Overview
The ADC081C027CIMKX/NOPB is a low-power, 8-bit analog-to-digital converter (ADC) manufactured by Texas Instruments. This device operates on a single supply voltage ranging from 2.7V to 5.5V and features an I2C-compatible 2-wire serial interface. The ADC is based on a successive approximation register architecture with an internal track-and-hold circuit, capable of handling input frequencies up to 11MHz. It is designed for low power consumption and is suitable for use in battery-operated equipment and applications requiring high precision and reliability.
Key Specifications
| Parameter | Conditions | Typical | Limits | Units |
|---|---|---|---|---|
| Resolution | - | 8 bits | No Missing Codes | - |
| Conversion Time | - | 1 µs | - | - |
| INL & DNL | - | - | ±0.2 LSB (Max) | - |
| Throughput Rate | fSCL = 3.4MHz | - | 188.9 ksps (Max) | - |
| Power Consumption | 3V Supply, 22ksps | 0.26 mW | - | - |
| Power Consumption | 5V Supply, 22ksps | 0.78 mW | - | - |
| Operating Temperature | - | - | -40°C to +105°C | - |
| I2C Serial Clock Frequency | High Speed Mode | - | 3.4 MHz (Max) | - |
Key Features
- I2C-compatible 2-wire serial interface supporting standard (100kHz), fast (400kHz), and high speed (3.4MHz) modes.
- Extended power supply range from 2.7V to 5.5V.
- Up to nine pin-selectable chip addresses available for the VSSOP-8 package.
- Low power consumption with automatic power-down feature reducing power to less than 1µW when not converting.
- High accuracy with Integral Non-Linearity (INL) and Differential Non-Linearity (DNL) of ±0.2 LSB (Max).
- Internal track-and-hold circuit capable of handling input frequencies up to 11MHz.
- Operation over the industrial temperature range of -40°C to +105°C.
Applications
The ADC081C027CIMKX/NOPB is an excellent choice for various applications due to its low power consumption, high accuracy, and compact packaging. It is particularly suitable for:
- Battery-operated equipment where power efficiency is crucial.
- Industrial automation and control systems requiring precise analog-to-digital conversion.
- Medical devices that need reliable and accurate data conversion.
- Automotive systems where the device's ability to operate over a wide temperature range is beneficial.
- Consumer electronics and IoT devices that require low power and high precision ADCs.
Q & A
- What is the resolution of the ADC081C027CIMKX/NOPB?
The resolution of the ADC081C027CIMKX/NOPB is 8 bits with no missing codes.
- What is the typical conversion time of the ADC081C027CIMKX/NOPB?
The typical conversion time is 1 µs.
- What are the INL and DNL specifications of the ADC081C027CIMKX/NOPB?
The Integral Non-Linearity (INL) and Differential Non-Linearity (DNL) are ±0.2 LSB (Max).
- What is the maximum throughput rate of the ADC081C027CIMKX/NOPB?
The maximum throughput rate is 188.9 ksps at an I2C clock frequency of 3.4MHz.
- What is the power consumption of the ADC081C027CIMKX/NOPB at 3V and 5V supplies?
The power consumption is typically 0.26 mW at 3V and 0.78 mW at 5V supply when operating at 22ksps.
- What is the operating temperature range of the ADC081C027CIMKX/NOPB?
The device operates over the industrial temperature range of -40°C to +105°C.
- Does the ADC081C027CIMKX/NOPB support multiple I2C speed modes?
Yes, it supports standard (100kHz), fast (400kHz), and high speed (3.4MHz) I2C modes.
- How many pin-selectable chip addresses are available for the VSSOP-8 package?
Up to nine pin-selectable chip addresses are available for the VSSOP-8 package.
- What is the purpose of the automatic power-down feature in the ADC081C027CIMKX/NOPB?
The automatic power-down feature reduces the power consumption to less than 1µW when the device is not converting.
- What type of architecture is used in the ADC081C027CIMKX/NOPB?
The device uses a successive approximation register architecture with an internal track-and-hold circuit.
