Overview
The ADCS7478AIMF/NOPB is a low-power, monolithic CMOS 8-bit analog-to-digital converter (ADC) produced by Texas Instruments. This device operates at a conversion rate of 1 million samples per second (MSPS) and is packaged in a compact 6-pin SOT-23 package. It is designed for a wide range of applications requiring high-speed and low-power conversion. The ADCS7478 is compatible with several serial interface standards, including SPI, QSPI, MICROWIRE, and many common DSP serial interfaces, making it versatile for various system designs.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Resolution | 8 Bits | |
| Conversion Rate | 1 MSPS | |
| Supply Voltage | 2.7 V to 5.25 V | |
| Power Consumption (Typical) | 2 mW @ 3 V, 10 mW @ 5 V | |
| DNL (Typical) | -0.3 to 0.5 LSB | |
| INL (Typical) | ±0.4 LSB | |
| SNR (Typical) | 49.7 dB @ fIN = 100 kHz | |
| THD (Typical) | -77 dB @ fIN = 100 kHz | |
| Full Power Bandwidth | 11 MHz @ 5 V, 8 MHz @ 3 V | |
| Operating Temperature | -40°C to 125°C | |
| Package Type | SOT-23-6 |
Key Features
- Low power consumption with variable power management.
- Single supply operation from 2.7 V to 5.25 V.
- Compatible with SPI, QSPI, MICROWIRE, and many common DSP serial interfaces.
- Internal track-and-hold circuit.
- Supply voltage used as reference.
- Compact 6-pin SOT-23 package.
- High-speed conversion rate of 1 MSPS.
- Straight (natural) binary output coding.
Applications
- Automotive navigation systems.
- Financial automation (FA) and automated teller machine (ATM) equipment.
- Portable systems.
- Medical instruments.
- Mobile communications.
- Instrumentation and control systems.
Q & A
- What is the resolution of the ADCS7478AIMF/NOPB?
The ADCS7478AIMF/NOPB has a resolution of 8 bits. - What is the conversion rate of this ADC?
The conversion rate is 1 million samples per second (MSPS). - What is the supply voltage range for this device?
The supply voltage range is from 2.7 V to 5.25 V. - How much power does the ADCS7478AIMF/NOPB typically consume?
Typical power consumption is 2 mW at 3 V and 10 mW at 5 V. - What are the typical DNL and INL values for this ADC?
The typical DNL is -0.3 to 0.5 LSB, and the typical INL is ±0.4 LSB. - What is the signal-to-noise ratio (SNR) of the ADCS7478AIMF/NOPB?
The SNR is typically 49.7 dB at an input frequency of 100 kHz. - What is the total harmonic distortion (THD) of this ADC?
The THD is typically -77 dB at an input frequency of 100 kHz. - What is the full power bandwidth of the ADCS7478AIMF/NOPB?
The full power bandwidth is 11 MHz at 5 V and 8 MHz at 3 V. - What is the operating temperature range for this device?
The operating temperature range is from -40°C to 125°C. - In what package type is the ADCS7478AIMF/NOPB available?
The ADCS7478AIMF/NOPB is available in a 6-pin SOT-23 package.
