Overview
The AD7875TQ is a 12-bit sampling analog-to-digital converter (ADC) produced by Analog Devices Inc. This component is part of the AD7875 series and is known for its high performance, versatility, and reliability. The AD7875TQ integrates a track-and-hold amplifier, a successive approximation ADC, and a 3 V internal reference on a single chip, making it a comprehensive solution for analog-to-digital conversion. It is suitable for a wide range of electronic projects due to its robust specifications and flexible interface options.
Key Specifications
| Specification | Value |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Package/Case | CDIP-24 |
| Resolution | 12 bits |
| Number of Channels | 1 Channel |
| Interface Type | I2C, Parallel |
| Sampling Rate | 100 kS/s |
| Input Type | Single-Ended |
| Architecture | SAR (Successive Approximation) |
| SNR - Signal to Noise Ratio | 72 dB |
| Minimum Operating Temperature | -55°C |
| Maximum Operating Temperature | +125°C |
| DNL - Differential Nonlinearity | +/- 1.5 LSB |
| INL - Integral Nonlinearity | +/- 1 LSB |
| Gain Error | +/- 8 LSB |
| Operating Supply Voltage | 5 V |
| Power Consumption | 60 mW |
| Reference Type | Internal |
| Sample and Hold | Yes |
Key Features
- Complete 12-bit ADC on a single chip, including a track-and-hold amplifier, successive approximation ADC, and internal 3 V reference.
- Fast microprocessor interface with data access times of 57 ns, compatible with modern 8-bit and 16-bit microprocessors and digital signal processors.
- Dynamic specifications for DSP users, including signal-to-noise ratio, harmonic distortion, and intermodulation distortion.
- Low power consumption of 60 mW and power dissipation of 95 mW.
- Wide operating temperature range from -55°C to +125°C.
- Flexible interface options with both I2C and parallel interfaces.
- Internal clock and self-contained conversion process.
Applications
The AD7875TQ is versatile and can be used in various applications, including:
- Data acquisition systems.
- Digital signal processing (DSP) systems.
- Industrial control systems.
- Medical devices requiring precise analog-to-digital conversion.
- Aerospace and defense applications due to its wide operating temperature range.
- Automotive systems where robust and reliable ADCs are necessary.
Q & A
- What is the resolution of the AD7875TQ ADC?
The AD7875TQ has a resolution of 12 bits.
- What is the sampling rate of the AD7875TQ?
The sampling rate of the AD7875TQ is 100 kS/s.
- What are the interface options available for the AD7875TQ?
The AD7875TQ supports both I2C and parallel interfaces.
- What is the operating temperature range of the AD7875TQ?
The operating temperature range is from -55°C to +125°C.
- Does the AD7875TQ have an internal reference?
Yes, the AD7875TQ has an internal 3 V reference.
- What is the power consumption of the AD7875TQ?
The power consumption is typically 60 mW.
- Is the AD7875TQ RoHS compliant?
No, the AD7875TQ is not RoHS compliant.
- What is the package type of the AD7875TQ?
The package type is CDIP-24.
- What is the signal-to-noise ratio (SNR) of the AD7875TQ?
The SNR is 72 dB.
- Does the AD7875TQ have a sample and hold function?
Yes, the AD7875TQ includes a sample and hold function.
