Overview
The Texas Instruments ADCS7478AIMFX/NOPB is a low-power, monolithic CMOS 8-bit analog-to-digital converter (ADC). This device is part of the ADCS747x series, which includes 12-bit, 10-bit, and 8-bit ADCs. The ADCS7478 is designed for high-speed and low-power applications, making it suitable for a variety of industrial, automotive, and consumer electronics.
Key Specifications
| Parameter | Description |
|---|---|
| Resolution | 8-bit |
| Sampling Rate | 1 MSPS (Mega Samples Per Second) |
| Supply Voltage | 2.7V to 5.25V |
| Package | 6-Pin SOT-23 |
| Input Range | 0 to VDD |
| Signal-to-Noise Ratio (SNR) | 72 dB at fIN = 100 kHz, TA = 25°C |
| Total Harmonic Distortion (THD) | -80 dB at fIN = 100 kHz |
| Spurious-Free Dynamic Range (SFDR) | 82 dB at fIN = 100 kHz |
| Power Consumption (Normal Mode) | 10 mW at VDD = 5 V, fSAMPLE = 1 MSPS, TA = 25°C |
| Power Consumption (Shutdown Mode) | 2.5 µW at VDD = 5 V, SCLK Off |
| Analog Input Capacitance | 30 pF |
| Digital Input High Voltage | 2.4 V at -40°C ≤ TA ≤ 85°C |
| Digital Input Low Voltage | 0.8 V at VDD = 5 V, -40°C ≤ TA ≤ 85°C |
Key Features
- Low power consumption with variable power management.
- Single supply operation from 2.7V to 5.25V.
- High-speed sampling rate of 1 MSPS.
- Compact 6-pin SOT-23 package.
- Power supply used as reference voltage.
- Low leakage current and high input impedance.
- RoHS compliant.
Applications
- Industrial automation and control systems.
- Automotive systems, including sensor interfaces and data acquisition.
- Consumer electronics, such as audio and video equipment.
- Medical devices requiring high accuracy and low power consumption.
- Embedded systems and IoT devices.
Q & A
- What is the resolution of the ADCS7478AIMFX/NOPB?
The ADCS7478AIMFX/NOPB has an 8-bit resolution.
- What is the sampling rate of this ADC?
The sampling rate is 1 MSPS (Mega Samples Per Second).
- What is the supply voltage range for this device?
The supply voltage range is from 2.7V to 5.25V.
- What package type is used for the ADCS7478AIMFX/NOPB?
The device is packaged in a 6-pin SOT-23.
- What is the input range for the analog input?
The input range is from 0 to VDD (supply voltage).
- How much power does the ADC consume in normal mode?
The power consumption in normal mode is approximately 10 mW at VDD = 5 V and fSAMPLE = 1 MSPS at TA = 25°C.
- Is the ADCS7478AIMFX/NOPB RoHS compliant?
Yes, the device is RoHS compliant.
- What are some typical applications for this ADC?
Typical applications include industrial automation, automotive systems, consumer electronics, medical devices, and embedded systems.
- What is the signal-to-noise ratio (SNR) of the ADCS7478AIMFX/NOPB?
The SNR is 72 dB at fIN = 100 kHz and TA = 25°C.
- How does the device manage power consumption?
The device features variable power management, allowing for efficient power use in different operating modes.
