Overview
The MAX122BEWG is a high-performance, 12-bit analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This BiCMOS ADC is designed to offer fast conversion speeds and low-power consumption, making it suitable for a wide range of high-speed and accurate analog-to-digital conversion applications. The device features an on-chip track/hold and a low-drift voltage reference, ensuring high throughput rates and minimal noise and distortion.
Key Specifications
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Series | MAX122B | Mounting Style | SMD/SMT |
| Resolution | 12 bit | Number of Channels | 1 Channel |
| Interface Type | SPI | Sampling Rate | 333 kS/s |
| Input Type | Single-Ended | Architecture | SAR |
| Minimum Operating Temperature | -40°C | Maximum Operating Temperature | +85°C |
| Brand | Analog Devices / Maxim Integrated | DNL - Differential Nonlinearity | +/- 1 LSB |
| Height | 2.35 mm | INL - Integral Nonlinearity | +/- 1 LSB |
| Length | 15.6 mm | Number of Converters | 1 Converter |
| Operating Supply Voltage | 5 V | Power Dissipation | 210 mW |
| Reference Type | Internal | Reference Voltage | 4.096 V |
| Package/Case | SOIC-24 | Supply Voltage - Max | 5 V |
| Supply Voltage - Min | 5 V | Width | 7.6 mm |
Key Features
- 12-Bit Resolution
- No Missing Codes Over Temperature
- 20ppm/°C -5V Internal Reference
- 2.6µs Conversion Time/333ksps Throughput
- Low Noise and Distortion:
- 70dB Minimum SINAD
- -77dB Max THD
- Low Power Dissipation: 210mW
- Separate Track/Hold Control Input
- Continuous-Conversion Mode Available
- ±5V Input Range, Overvoltage Tolerant to ±15V
- 24-Pin Narrow DIP, Wide SO and SSOP Packages
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 MAX122BEWG ADC?
The MAX122BEWG has a 12-bit resolution.
- What is the sampling rate of the MAX122BEWG?
The MAX122BEWG has a sampling rate of 333 kS/s.
- What is the operating temperature range of the MAX122BEWG?
The operating temperature range is from -40°C to +85°C.
- What type of interface does the MAX122BEWG use?
The MAX122BEWG uses an SPI interface.
- What is the power dissipation of the MAX122BEWG?
The power dissipation is 210 mW.
- Is the MAX122BEWG RoHS compliant?
Yes, the MAX122BEWG is RoHS compliant.
- What is the input voltage range of the MAX122BEWG?
The input voltage range is ±5V, and it is overvoltage tolerant to ±15V.
- What type of architecture does the MAX122BEWG use?
The MAX122BEWG uses a Successive Approximation Register (SAR) architecture.
- Does the MAX122BEWG have an internal reference voltage?
Yes, the MAX122BEWG has an internal reference voltage of 4.096 V.
- What is the package type of the MAX122BEWG?
The MAX122BEWG comes in a 24-pin SOIC package.
