Overview
The MAX1119EKA+T is a low-power, 8-bit, dual-channel analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This device features an internal track/hold (T/H) voltage reference, clock, and a 3-wire serial interface compatible with SPI, QSPI, and other serial protocols. It is designed for applications requiring high accuracy and low power consumption.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Resolution | 8 Bits | |
| Supply Voltage Range | +4.5V to +5.5V | V |
| Supply Current at 100ksps | 175µA | A |
| Operating Temperature Range | -40°C to +85°C | °C |
| Storage Temperature Range | -60°C to +150°C | °C |
| Full-Scale Analog Input Range | +4.096V (internal reference) | V |
| Signal-to-Noise Plus Distortion (SINAD) | 48 dB | dB |
| Total Harmonic Distortion (THD) | -69 dB | dB |
| Spurious-Free Dynamic Range (SFDR) | 66 dB | dB |
| Small Signal Bandwidth | 4 MHz | Hz |
Key Features
- Low power consumption: 175µA at 100ksps.
- Internal track/hold (T/H) voltage reference and clock.
- 3-wire serial interface compatible with SPI, QSPI, and other serial protocols.
- Automatic shutdown mode reducing supply current to <1µA when not in use.
- High accuracy with relative accuracy of ±1 LSB and differential nonlinearity of ±1 LSB.
- Operating temperature range from -40°C to +85°C.
Applications
The MAX1119EKA+T is suitable for a variety of applications requiring low power and high accuracy, such as:
- Portable and battery-powered devices.
- Medical devices and diagnostic equipment.
- Industrial control systems and automation.
- Aerospace and defense systems.
- Automotive systems and sensors.
Q & A
- What is the resolution of the MAX1119EKA+T ADC?
The MAX1119EKA+T has an 8-bit resolution. - What is the supply voltage range for the MAX1119EKA+T?
The supply voltage range is from +4.5V to +5.5V. - How much current does the MAX1119EKA+T consume at 100ksps?
The device consumes 175µA at 100ksps. - What is the operating temperature range of the MAX1119EKA+T?
The operating temperature range is from -40°C to +85°C. - What is the full-scale analog input range for the MAX1119EKA+T?
The full-scale analog input range is +4.096V using the internal reference. - Does the MAX1119EKA+T have an automatic shutdown mode?
Yes, it has an automatic shutdown mode that reduces supply current to <1µA when not in use. - What is the signal-to-noise plus distortion (SINAD) of the MAX1119EKA+T?
The SINAD is 48 dB. - What is the total harmonic distortion (THD) of the MAX1119EKA+T?
The THD is -69 dB. - What is the spurious-free dynamic range (SFDR) of the MAX1119EKA+T?
The SFDR is 66 dB. - What is the small signal bandwidth of the MAX1119EKA+T?
The small signal bandwidth is 4 MHz.
