Overview
The ADC121S021CIMFX/NOPB is a low-power, single-channel CMOS 12-bit analog-to-digital converter (ADC) manufactured by Texas Instruments. This device features a high-speed serial interface and is designed for applications requiring high accuracy and low power consumption. The ADC operates over a range of sample rates from 50 ksps to 200 ksps and is based on a successive-approximation register architecture with an internal track-and-hold circuit.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 12 bits |
| Sample Rate | 50 ksps to 200 ksps |
| Supply Voltage | 2.7 V to 5.25 V |
| Power Consumption (3.6 V) | 1.5 mW (Typical) |
| Power Consumption (5.25 V) | 7.9 mW (Typical) |
| Power-Down Consumption (5.25 V) | 2.6 µW |
| DNL (Typical) | 0.45 and 0.25 LSB |
| INL (Typical) | 0.45 and 0.4 LSB |
| SNR (Typical) | 72.3 dB |
| Package | SOT-23-6 |
| Operating Temperature Range | -40°C to 85°C |
Key Features
- Low power consumption with variable power management.
- Single power supply with a range of 2.7 V to 5.25 V.
- Compatible with SPI, QSPI, MICROWIRE, and many common DSP serial interfaces.
- High-speed serial interface with straight binary output.
- Internal track-and-hold circuit.
- Power-down feature reducing power consumption to as low as 2.6 µW.
Applications
The ADC121S021CIMFX/NOPB is suitable for a variety of applications that require precise analog-to-digital conversion with low power consumption. These include industrial control systems, medical devices, automotive systems, and any other application where high accuracy and low power are critical. The device's compatibility with various serial interfaces makes it versatile for integration into different system architectures.
Q & A
- What is the resolution of the ADC121S021CIMFX/NOPB?
The ADC121S021CIMFX/NOPB has a resolution of 12 bits. - What is the sample rate range of the ADC121S021CIMFX/NOPB?
The sample rate range is from 50 ksps to 200 ksps. - What is the supply voltage range for the ADC121S021CIMFX/NOPB?
The supply voltage range is from 2.7 V to 5.25 V. - How much power does the ADC121S021CIMFX/NOPB consume at 3.6 V and 5.25 V supplies?
The power consumption is 1.5 mW at 3.6 V and 7.9 mW at 5.25 V (typical). - What is the power consumption in power-down mode?
The power consumption in power-down mode is as low as 2.6 µW using a 5.25-V supply. - What serial interfaces is the ADC121S021CIMFX/NOPB compatible with?
The device is compatible with SPI, QSPI, MICROWIRE, and many common DSP serial interfaces. - What is the operating temperature range of the ADC121S021CIMFX/NOPB?
The operating temperature range is from -40°C to 85°C. - What is the package type of the ADC121S021CIMFX/NOPB?
The package type is SOT-23-6. - Is the ADC121S021CIMFX/NOPB still in production?
No, the ADC121S021CIMFX is obsolete and no longer manufactured. However, substitutes are available. - Where can I purchase the ADC121S021CIMFX/NOPB or its substitutes?
You can purchase it from various electronic component distributors such as X-ON Electronics, Digi-Key, and other authorized suppliers.
