Overview
The MAX122ACAG+ 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
| Specification | Value |
|---|---|
| Resolution | 12 bits |
| Number of Channels | 1 Channel |
| Interface Type | Parallel |
| Sampling Rate | 333 kS/s (MAX122) |
| Conversion Time | 2.6 µs (MAX122) |
| Analog Input Voltage Range | -5V to +5V |
| Clock Frequency Range | 0.1 MHz to 5 MHz (MAX122) |
| Power Supply Voltage | 5V (Analog and Digital) |
| Operating Temperature | 0°C to 70°C |
| Package/Case | 24-SSOP (0.209") |
Key Features
- 12-bit resolution with no missing codes over temperature
- Low-drift internal voltage reference (20 ppm/°C)
- Fast conversion time: 2.6 µs for MAX122, resulting in 333 kS/s throughput
- Low noise and distortion: 70 dB SINAD, -77 dB THD
- Low power dissipation: 210 mW
- Separate track/hold control input
- Standard microprocessor interface with three-state data outputs compatible with 12-bit data buses
- TTL/CMOS compatible logic inputs and outputs
- Direct interface to FIFO buffer, reducing 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 MAX122ACAG+ ADC?
The MAX122ACAG+ has a 12-bit resolution. - What is the sampling rate of the MAX122ACAG+?
The MAX122ACAG+ has a sampling rate of 333 kS/s. - What is the conversion time of the MAX122ACAG+?
The conversion time of the MAX122ACAG+ is 2.6 µs. - What is the analog input voltage range of the MAX122ACAG+?
The analog input voltage range is from -5V to +5V. - What is the clock frequency range for the MAX122ACAG+?
The clock frequency range is from 0.1 MHz to 5 MHz. - Is the MAX122ACAG+ compatible with TTL/CMOS logic?
Yes, the MAX122ACAG+ is TTL/CMOS compatible. - What is the power consumption of the MAX122ACAG+?
The power dissipation is 210 mW. - Can the MAX122ACAG+ interface directly with a FIFO buffer?
Yes, it can interface directly with a FIFO buffer, reducing microprocessor interrupt overhead. - What are the operating temperature ranges for the MAX122ACAG+?
The operating temperature range is from 0°C to 70°C. - What package type is the MAX122ACAG+ available in?
The MAX122ACAG+ is available in a 24-SSOP package.
