Overview
The MAX120CNG+ is a high-performance, 12-bit analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This BiCMOS, sampling ADC combines an on-chip track/hold (T/H) and a low-drift voltage reference, offering fast conversion speeds and low-power consumption. The device is designed for a wide range of applications requiring high-speed data acquisition and precision analog-to-digital conversion.
Key Specifications
| Parameter | Value | Notes |
|---|---|---|
| Resolution | 12 bits | |
| Conversion Time | 1.6µs (MAX120) | |
| Throughput Rate | Up to 500ksps (MAX120) | |
| Analog Input Range | -5V to +5V | Bipolar input range |
| Internal Reference | -5V, 20ppm/°C | Low-drift voltage reference |
| Power Supply | +5V (VDD), -12V or -15V (VSS) | |
| Clock Frequency Range | 0.1MHz to 8MHz (MAX120) | |
| Acquisition Time | 350ns | |
| Aperture Delay | 10ns | |
| Aperture Jitter | 30ps | |
| Power Dissipation | 210mW | |
| Logic Compatibility | TTL/CMOS compatible | |
| Package Type | 24-PDIP |
Key Features
- 12-Bit Resolution: Ensures high precision in analog-to-digital conversion.
- No Missing Codes Over Temperature: Maintains data integrity across various temperatures.
- Low-Drift Voltage Reference: -5V internal reference with 20ppm/°C drift.
- Fast Conversion Time: 1.6µs conversion time for MAX120, resulting in up to 500ksps throughput.
- Low Noise and Distortion: Minimum 70dB SINAD and maximum -77dB THD.
- Low Power Dissipation: 210mW power consumption.
- Separate Track/Hold Control Input: Allows for precise control over the track/hold function.
- Standard Microprocessor Interface: Compatible with most popular microprocessors without wait states.
- Direct FIFO Buffer Interface: Reduces 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 MAX120CNG+ ADC?
The MAX120CNG+ has a 12-bit resolution.
- What is the conversion time of the MAX120?
The conversion time of the MAX120 is 1.6µs.
- What is the maximum throughput rate of the MAX120?
The maximum throughput rate of the MAX120 is up to 500ksps.
- What is the analog input voltage range of the MAX120CNG+?
The analog input voltage range is -5V to +5V.
- What type of logic inputs and outputs does the MAX120CNG+ support?
The MAX120CNG+ supports TTL/CMOS compatible logic inputs and outputs.
- Can the MAX120CNG+ interface directly with a FIFO buffer?
Yes, the MAX120CNG+ can interface directly with a FIFO buffer, reducing microprocessor interrupt overhead.
- What is the power dissipation of the MAX120CNG+?
The power dissipation of the MAX120CNG+ is 210mW.
- What is the acquisition time of the MAX120CNG+?
The acquisition time of the MAX120CNG+ is 350ns.
- What are some common applications of the MAX120CNG+?
Common 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 package is the MAX120CNG+ available in?
The MAX120CNG+ is available in a 24-PDIP package.
