Overview
The MAX120EWG+T is a high-performance, 12-bit analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This device is part of the MAX120/MAX122 series, known for their fast conversion speeds, low power consumption, and integrated track/hold (T/H) and low-drift voltage reference. The MAX120EWG+T is particularly suited for applications requiring high-speed data acquisition and precision signal processing.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 12 bits |
| Conversion Time | 1.6 µs (MAX120) |
| Throughput Rate | Up to 500 ksps (MAX120) |
| Analog Input Voltage Range | -5V to +5V |
| Internal Reference Drift | 20 ppm/°C |
| Clock Frequency Range | 0.1 MHz to 8 MHz (MAX120) |
| Power Dissipation | 210 mW |
| Signal-to-Noise Plus Distortion (SINAD) | 70 dB (min) at 100 kHz |
| Total Harmonic Distortion (THD) | -77 dB (max) at 100 kHz |
| Logic Compatibility | TTL/CMOS compatible |
Key Features
- 12-bit resolution with no missing codes over temperature
- Fast conversion time of 1.6 µs and throughput rate of up to 500 ksps
- Integrated track/hold circuit with 350 ns acquisition time
- Low-drift internal voltage reference (20 ppm/°C)
- Low noise and distortion: 70 dB SINAD, -77 dB THD
- Low power dissipation of 210 mW
- Separate track/hold control input
- Standard microprocessor interface with three-state data outputs compatible with 12-bit data buses
- Direct interface to FIFO buffers to reduce microprocessor interrupt overhead
Applications
- Digital-Signal Processing
- Audio and Telecom Processing
- Speech Recognition and Synthesis
- High-Speed Data Acquisition
- Spectrum Analysis
- Data Logging Systems
Q & A
- What is the resolution of the MAX120EWG+T ADC?
The MAX120EWG+T has a 12-bit resolution. - What is the conversion time of the MAX120EWG+T?
The conversion time is 1.6 µs. - What is the maximum throughput rate of the MAX120EWG+T?
The maximum throughput rate is up to 500 ksps. - What is the range of analog input voltages for the MAX120EWG+T?
The analog input voltage range is from -5V to +5V. - What is the internal reference drift of the MAX120EWG+T?
The internal reference drift is 20 ppm/°C. - What is the clock frequency range for the MAX120EWG+T?
The clock frequency range is from 0.1 MHz to 8 MHz. - How much power does the MAX120EWG+T dissipate?
The power dissipation is 210 mW. - Is the MAX120EWG+T compatible with TTL and CMOS logic?
Yes, the MAX120EWG+T is TTL/CMOS compatible. - Can the MAX120EWG+T interface directly with a FIFO buffer?
Yes, it can interface directly with a FIFO buffer to reduce microprocessor interrupt overhead. - What are some typical applications of the MAX120EWG+T?
Typical applications include digital-signal processing, audio and telecom processing, speech recognition and synthesis, high-speed data acquisition, spectrum analysis, and data logging systems.
