Overview
The ADC121S051CIMF from Texas Instruments is a low-power, single-channel 12-bit analog-to-digital converter (ADC) designed with a high-speed serial interface. This CMOS-based ADC operates over a sample rate range of 200 ksps to 500 ksps and is fully specified across this range, ensuring consistent performance. It features a successive-approximation register architecture with an internal track-and-hold circuit, making it suitable for various applications requiring precise analog-to-digital conversion.
Key Specifications
| Parameter | Conditions | Typical Units |
|---|---|---|
| Resolution | No missing codes | 12 Bits |
| Integral Non-Linearity (INL) | VA = +2.7V to +5.25V | +0.45/-0.40 LSB |
| Differential Non-Linearity (DNL) | VA = +2.7V to +5.25V | +0.5/-0.25 LSB |
| Signal-to-Noise Ratio (SNR) | fIN = 100 kHz | 72.0 dB |
| Power Consumption | VA = +3.6V, fSAMPLE = 200 ksps | 1.7 mW |
| Power Consumption | VA = +5.25V, fSAMPLE = 200 ksps | 8.7 mW |
| Supply Voltage | 2.7V to 5.25V | |
| Input Range | 0 to VA | |
| Full Power Bandwidth | VA = +3V | 8 MHz |
| Full Power Bandwidth | VA = +5V | 11 MHz |
Key Features
- Low-power operation with variable power management.
- Single supply voltage range from +2.7V to +5.25V.
- High-speed serial interface compatible with SPI, QSPI, MICROWIRE, and common DSP serial interfaces.
- Output serial data in straight binary format.
- Available in 6-lead WSON and SOT-23 packages.
- Power-down feature reducing power consumption to as low as 2.6 µW.
Applications
- Portable systems.
- Remote data acquisition.
- Instrumentation and control systems.
Q & A
- What is the resolution of the ADC121S051CIMF?
The ADC121S051CIMF has a resolution of 12 bits. - What is the sample rate range of the ADC121S051CIMF?
The sample rate range is from 200 ksps to 500 ksps. - What is the typical power consumption of the ADC121S051CIMF at 3.6V supply voltage?
The typical power consumption is 1.7 mW at a 3.6V supply voltage. - What is the typical power consumption of the ADC121S051CIMF at 5.25V supply voltage?
The typical power consumption is 8.7 mW at a 5.25V supply voltage. - What are the compatible serial interfaces for the ADC121S051CIMF?
The ADC is compatible with SPI, QSPI, MICROWIRE, and many common DSP serial interfaces. - What is the input range of the ADC121S051CIMF?
The input range is from 0V to VA (supply voltage). - What are the available packages for the ADC121S051CIMF?
The ADC is available in 6-lead WSON and SOT-23 packages. - How low can the power consumption be reduced in power-down mode?
The power consumption can be reduced to as low as 2.6 µW in power-down mode. - What is the full power bandwidth of the ADC121S051CIMF at 3V supply voltage?
The full power bandwidth is 8 MHz at a 3V supply voltage. - What is the full power bandwidth of the ADC121S051CIMF at 5V supply voltage?
The full power bandwidth is 11 MHz at a 5V supply voltage.
