Overview
The MAX120ENG+ from Analog Devices Inc./Maxim Integrated is a high-performance, 12-bit analog-to-digital converter (ADC) designed for various high-speed data acquisition applications. This BiCMOS ADC integrates an on-chip track/hold (T/H) circuit and a low-drift voltage reference, ensuring fast conversion speeds and low power consumption. The MAX120ENG+ is part of the MAX120 series, which is known for its robust and reliable performance in demanding environments.
Key Specifications
| Parameter | Description | Value |
|---|---|---|
| Resolution | Number of bits | 12 bits |
| Conversion Time | Time taken for one conversion | 1.6 µs (MAX120), 2.6 µs (MAX122) |
| Throughput Rate | Samples per second | Up to 500 ksps (MAX120), up to 333 ksps (MAX122) |
| Analog Input Range | Voltage range of analog input | -5V to +5V |
| Power Supply | Voltage and current requirements | +5V, 210 mW (typical power dissipation) |
| Clock Frequency Range | Frequency range of the clock input | 0.1 MHz to 8 MHz (MAX120), 0.1 MHz to 5 MHz (MAX122) |
| Track/Hold Acquisition Time | Time taken by the T/H circuit to acquire the signal | 350 ns |
| Aperture Delay | Delay in the aperture of the T/H circuit | 10 ns |
| Aperture Jitter | Jitter in the aperture of the T/H circuit | < 50 ps |
| Interface Compatibility | Compatibility with microprocessors and other logic | TTL/CMOS compatible, compatible with most popular microprocessors and FIFO buffers |
Key Features
- High-Speed Conversion: The MAX120ENG+ offers conversion times as low as 1.6 µs, resulting in throughput rates of up to 500 ksps.
- Low Power Consumption: The ADC operates with a typical power dissipation of 210 mW, making it suitable for power-sensitive applications.
- On-Chip Track/Hold and Reference: The integrated track/hold circuit and low-drift voltage reference ensure accurate and stable conversions.
- Wide Analog Input Range: The ADC accepts analog input voltages from -5V to +5V, making it versatile for various signal types.
- TTL/CMOS Compatibility: The logic inputs and outputs are TTL/CMOS compatible, ensuring easy integration with most microprocessors and digital systems.
- No Missing Codes Over Temperature: The ADC ensures no missing codes over the operating temperature range, maintaining data integrity.
- Low Noise and Distortion: The MAX120ENG+ features low noise and distortion, with a minimum SINAD of 70 dB and a maximum THD of -77 dB.
Applications
- Digital Signal Processing: Suitable for high-speed data acquisition and processing in digital signal processing systems.
- Audio and Telecom Processing: Ideal for applications requiring high-speed and accurate analog-to-digital conversion in audio and telecom systems.
- Speech Recognition and Synthesis: Used in speech recognition and synthesis applications where high-speed and low-noise conversion is critical.
- Spectrum Analysis: Applicable in spectrum analysis and other high-speed data acquisition tasks.
- Data Logging Systems: Suitable for data logging systems that require fast and accurate analog-to-digital conversion).
Q & A
- What is the resolution of the MAX120ENG+ ADC?
The MAX120ENG+ has a resolution of 12 bits.
- What is the conversion time of the MAX120ENG+?
The conversion time for the MAX120 is 1.6 µs, and for the MAX122, it is 2.6 µs.
- What is the throughput rate of the MAX120ENG+?
The MAX120 can achieve throughput rates of up to 500 ksps, while the MAX122 can achieve up to 333 ksps.
- What is the analog input voltage range of the MAX120ENG+?
The analog input voltage range is from -5V to +5V.
- What is the power supply requirement for the MAX120ENG+?
The MAX120ENG+ operates with a +5V power supply and has a typical power dissipation of 210 mW.
- Is the MAX120ENG+ compatible with TTL/CMOS logic?
- What is the track/hold acquisition time of the MAX120ENG+?
- What are the typical applications of the MAX120ENG+?
- Does the MAX120ENG+ have an internal reference voltage?
- Can the MAX120ENG+ interface directly with a FIFO buffer?
