Overview
The ADCS7478AIMF from Texas Instruments is a low-power, monolithic CMOS analog-to-digital converter (ADC) available in 12-, 10-, and 8-bit resolutions. This device operates at a conversion rate of 1 MSPS and is designed to be a drop-in replacement for Analog Devices AD747x series. It features a successive approximation register architecture with an internal track-and-hold circuit. The ADCS7478AIMF is packaged in a compact 6-pin SOT-23 package, making it ideal for applications where space is critical. It supports a wide operating temperature range from -40°C to 85°C, making it suitable for both automotive and industrial environments.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 12-bit, 10-bit, 8-bit (no missing codes) |
| Conversion Rate | 1 MSPS |
| Differential Non-Linearity (DNL) | 0.5, 0.3 LSB (Typical) |
| Integral Non-Linearity (INL) | ±0.4 LSB (Typical) |
| Power Consumption (3-V Supply) | 2 mW (Typical) |
| Power Consumption (5-V Supply) | 10 mW (Typical) |
| Power Consumption in Shutdown Mode | < 5 µW (using a 5-V supply) |
| Supply Voltage Range | 2.7 V to 5.25 V |
| Operating Temperature Range | -40°C to 85°C |
| Package Type | 6-pin SOT-23 |
Key Features
- Variable Power Management
- Packaged in 6-pin SOT-23 for a small footprint
- Power Supply Used as Reference
- Single 2.7-V to 5.25-V Supply Operation
- Compatible with SPI, QSPI, MICROWIRE, and many common DSP serial interfaces
- Shutdown mode to reduce power consumption
- Internal track-and-hold circuit
Applications
The ADCS7478AIMF is suitable for a variety of applications where low power consumption and high conversion rates are required. These include:
- Automotive systems
- Industrial control systems
- Medical devices
- Portable electronics
- Embedded systems requiring compact and efficient ADC solutions
Q & A
- What is the conversion rate of the ADCS7478AIMF?
The conversion rate of the ADCS7478AIMF is 1 MSPS.
- What are the available resolutions for the ADCS7478AIMF?
The ADCS7478AIMF is available in 12-bit, 10-bit, and 8-bit resolutions with no missing codes.
- What is the operating temperature range of the ADCS7478AIMF?
The operating temperature range is from -40°C to 85°C.
- What is the power consumption of the ADCS7478AIMF during continuous conversion?
The power consumption is 2 mW (typical) with a 3-V supply and 10 mW (typical) with a 5-V supply.
- How does the ADCS7478AIMF reduce power consumption?
The device features a shutdown mode that reduces power consumption to under 5 µW using a 5-V supply.
- What serial interfaces is the ADCS7478AIMF compatible with?
The ADCS7478AIMF is compatible with SPI, QSPI, MICROWIRE, and many common DSP serial interfaces.
- What is the package type of the ADCS7478AIMF?
The ADCS7478AIMF is packaged in a 6-pin SOT-23 package.
- Can the ADCS7478AIMF be used in automotive applications?
- What is the supply voltage range for the ADCS7478AIMF?
The supply voltage range is from 2.7 V to 5.25 V.
- Does the ADCS7478AIMF have an internal track-and-hold circuit?
