Overview
The ADC121S101CIMF/NOPB from Texas Instruments is a low-power, single-channel CMOS 12-bit analog-to-digital converter (ADC) designed for high-speed applications. It features a successive-approximation register architecture with an internal track-and-hold circuit, ensuring accurate and efficient conversions. The ADC operates over a sample rate range of 500 ksps to 1 Msps and is compatible with various serial interfaces such as SPI™, QSPI™, MICROWIRE, and many common DSP serial interfaces. It is available in 6-pin WSON and SOT-23 packages, making it versatile for different design requirements. The device is AEC-Q100 Grade 1 qualified, indicating its suitability for automotive applications, and operates over a temperature range of -40°C to 125°C.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Number of Bits | 12 | |
| Sample Rate | 0.5 to 1 Msps | |
| Supply Voltage Range | 2.7 to 5.25 | V |
| Power Consumption (3V Supply) | 2 mW | |
| Power Consumption (5V Supply) | 10 mW | |
| Power-Down Consumption (5V Supply) | 2.6 µW | |
| Package Types | 6-pin WSON, SOT-23 | |
| Operating Temperature Range | -40°C to 125°C | |
| DNL (Typical) | +0.5 / -0.3 LSB | |
| INL (Typical) | ±0.40 LSB | |
| Maximum Analog Input Voltage | 5.25 V | |
| Maximum Conversion Time | 1.6 µs |
Key Features
- Low-power consumption with 2 mW at 3V and 10 mW at 5V supply, and as low as 2.6 µW in power-down mode.
- High-speed serial interface compatible with SPI™, QSPI™, MICROWIRE, and common DSP serial interfaces.
- Successive-approximation register architecture with an internal track-and-hold circuit.
- AEC-Q100 Grade 1 qualified, suitable for automotive applications.
- Operation over a wide temperature range of -40°C to 125°C.
- Available in 6-pin WSON and SOT-23 packages.
- Variable power management and single power supply with a range from 2.7 V to 5.25 V.
Applications
- Portable systems: Due to its low power consumption, it is ideal for battery-powered devices.
- Remote data acquisition: Suitable for remote sensing and data collection applications.
- Instrumentation and control systems: Used in various measurement and control systems.
- Automotive: AEC-Q100 Grade 1 qualified, making it suitable for automotive applications.
Q & A
- What is the resolution of the ADC121S101CIMF/NOPB?
The ADC121S101CIMF/NOPB has a resolution of 12 bits.
- What is the sample rate range of the ADC121S101CIMF/NOPB?
The sample rate range is from 500 ksps to 1 Msps.
- What are the package options for the ADC121S101CIMF/NOPB?
The device is available in 6-pin WSON and SOT-23 packages.
- What is the operating temperature range of the ADC121S101CIMF/NOPB?
The operating temperature range is from -40°C to 125°C.
- Is the ADC121S101CIMF/NOPB suitable for automotive applications?
Yes, it is AEC-Q100 Grade 1 qualified, making it suitable for automotive applications.
- What is the typical power consumption of the ADC121S101CIMF/NOPB at 3V and 5V supplies?
The typical power consumption is 2 mW at 3V and 10 mW at 5V supply.
- What is the power-down consumption of the ADC121S101CIMF/NOPB?
The power-down consumption is as low as 2.6 µW using a 5-V supply.
- What serial interfaces is the ADC121S101CIMF/NOPB compatible with?
The device is compatible with SPI™, QSPI™, MICROWIRE, and many common DSP serial interfaces.
- What is the maximum analog input voltage for the ADC121S101CIMF/NOPB?
The maximum analog input voltage is 5.25 V.
- What is the typical differential non-linearity (DNL) and integral non-linearity (INL) of the ADC121S101CIMF/NOPB?
The typical DNL is +0.5 / -0.3 LSB, and the typical INL is ±0.40 LSB.
