Overview
The ISL267450IUZ is a 12-bit, 1MSPS (Mega Samples Per Second) sampling SAR (Successive Approximation Register) type Analog-to-Digital Converter (ADC) produced by Renesas Electronics America Inc. This device is designed for high accuracy and efficiency, featuring a differential input span of 2*VREF volts. It is drop-in compatible with the AD7450, making it a versatile option for various applications. The ISL267450IUZ operates from a supply voltage of either 3V or 5V, ensuring measurement accuracy with input signals up to the supply rails. The device is also notable for its low power consumption, with a power dissipation of 9.0mW at 1MSPS and as low as 5µW between conversions in Auto Power-Down mode with a 3V supply.
Key Specifications
| Specification | Value |
|---|---|
| Resolution | 12-bit |
| Sampling Rate | 1MSPS |
| Input Type | Differential |
| Architecture | SAR |
| Analog Supply Voltage | 2.7V to 5.25V |
| Operating Temperature Range | -40°C to +85°C |
| Package Types | 8 Ld SOIC, MSOP |
| Power Dissipation at 1MSPS | 9.0mW |
| Power-Down Current between Conversions | 1µA (with 3V supply) |
| Serial Interface | SPI compatible |
Key Features
- Drop-in compatible with AD7450
- Differential input
- Simple SPI-compatible serial digital interface
- Guaranteed no missing codes
- Low operating current: 1.25mA at 833kSPS with 3V supplies, 1.7mA at 1MSPS with 5V supplies
- Low THD: -83dB (typical)
- Pb-Free (RoHS Compliant)
- Excellent differential non-linearity
- Auto Power-Down mode for low power consumption
Applications
- Remote Data Acquisition
- Battery Operated Systems
- Industrial Process Control
- Energy Measurement
- Data Acquisition Systems
- Pressure Sensors
- Flow Controllers
Q & A
- What is the resolution of the ISL267450IUZ ADC?
The ISL267450IUZ has a 12-bit resolution.
- What is the maximum sampling rate of the ISL267450IUZ?
The maximum sampling rate is 1MSPS.
- What types of input does the ISL267450IUZ support?
The ISL267450IUZ supports differential inputs.
- What are the operating supply voltage ranges for the ISL267450IUZ?
The device operates from a supply voltage of 2.7V to 5.25V.
- What is the operating temperature range of the ISL267450IUZ?
The operating temperature range is -40°C to +85°C.
- What types of packages are available for the ISL267450IUZ?
The device is available in 8 Ld SOIC and MSOP packages.
- How much power does the ISL267450IUZ consume at 1MSPS?
The power dissipation at 1MSPS is 9.0mW.
- What is the power-down current between conversions for the ISL267450IUZ?
The power-down current between conversions is 1µA with a 3V supply.
- Is the ISL267450IUZ compatible with other ADC models?
Yes, it is drop-in compatible with the AD7450.
- What kind of serial interface does the ISL267450IUZ use?
The device uses an SPI-compatible serial digital interface.
