Overview
The MAX120CAG+ is a high-performance, 12-bit analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This BiCMOS sampling ADC integrates an on-chip track/hold (T/H) circuit and a low-drift voltage reference, offering fast conversion speeds and low power consumption. The device is designed for various high-speed data acquisition applications, providing a throughput rate of up to 500ksps.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 12 bits |
| Conversion Time | 1.6µs (MAX120) |
| Throughput Rate | Up to 500ksps (MAX120) |
| Analog Input Range | -5V to +5V |
| Clock Frequency Range | 0.1MHz to 8MHz (MAX120) |
| Acquisition Time | 350ns |
| Aperture Delay | 10ns |
| Aperture Jitter | 30ps |
| Power Supply | +5V (VDD), -12V or -15V (VSS) |
| Power Dissipation | 210mW |
| Logic Compatibility | TTL/CMOS |
Key Features
- 12-bit resolution with no missing codes over temperature
- Low-drift internal reference: 20ppm/°C
- Fast conversion time: 1.6µs for MAX120, 2.6µs for MAX122
- Low noise and distortion: 70dB (min) SINAD, -77dB (max) THD
- Low power dissipation: 210mW
- Separate track/hold control input
- Standard microprocessor interface with three-state data outputs
- Compatible with most popular microprocessors without wait states
- Direct interface to FIFO buffer 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 MAX120CAG+ ADC?
The MAX120CAG+ has a 12-bit resolution. - What is the maximum throughput rate of the MAX120CAG+?
The MAX120CAG+ can achieve a throughput rate of up to 500ksps. - What is the analog input voltage range for the MAX120CAG+?
The analog input voltage range is from -5V to +5V. - What is the clock frequency range for the MAX120CAG+?
The clock frequency range is from 0.1MHz to 8MHz. - How much power does the MAX120CAG+ consume?
The power dissipation is 210mW. - Is the MAX120CAG+ compatible with TTL and CMOS logic?
Yes, the MAX120CAG+ is TTL/CMOS compatible. - Can the MAX120CAG+ interface directly with a FIFO buffer?
Yes, it can interface directly with a FIFO buffer to reduce microprocessor interrupt overhead. - What is the acquisition time of the MAX120CAG+?
The acquisition time is 350ns. - What are the typical applications of the MAX120CAG+?
Typical applications include digital-signal processing, audio and telecom processing, speech recognition and synthesis, high-speed data acquisition, spectrum analysis, and data logging systems. - What type of voltage reference does the MAX120CAG+ use?
The MAX120CAG+ uses a low-drift internal voltage reference.
