Overview
The ISL267450IBZ is a 12-bit, 1MSPS (Mega Samples Per Second) Successive Approximation Register (SAR) type Analog-to-Digital Converter (ADC) produced by Renesas Electronics America Inc. This device is known for its excellent linearity over supply and temperature variations and is drop-in compatible with the AD7450. It operates from a supply voltage of either 5V or 3V and maintains measurement accuracy with input signals up to the supply rails. The ISL267450IBZ features a serial digital interface that is SPI compatible, making it easily interfaced with popular FPGAs and microcontrollers.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 12-bit |
| Sampling Rate | 1MSPS |
| Input Type | Differential |
| Input Span | 2*VREF volts |
| Supply Voltage | 2.7V to 5.25V |
| Power Dissipation | 9.0mW at 1MSPS, 5µW in Auto Power-Down mode (with 3V supply) |
| Temperature Range | –40°C to +85°C |
| Package | 8 Ld SOIC or MSOP |
| Interface | SPI compatible |
Key Features
- Excellent linearity over supply and temperature variations
- Drop-in compatible with the AD7450
- Operates from 2.7V to 5.25V supply voltage
- Maintains measurement accuracy with input signals up to the supply rails
- SPI compatible serial digital interface
- Low power dissipation: 9.0mW at 1MSPS and 5µW in Auto Power-Down mode
- Available in 8 Ld SOIC or MSOP packages
- Industrial temperature range operation: –40°C to +85°C
Applications
The ISL267450IBZ is suitable for a variety of applications that require high accuracy and low power consumption, such as:
- Industrial automation and control systems
- Medical devices and diagnostic equipment
- Aerospace and defense systems
- Automotive systems, especially those requiring high reliability and precision
- Data acquisition systems
Q & A
- What is the resolution of the ISL267450IBZ ADC?
The ISL267450IBZ has a resolution of 12 bits. - What is the maximum sampling rate of the ISL267450IBZ?
The maximum sampling rate is 1MSPS. - What type of input does the ISL267450IBZ support?
The ISL267450IBZ supports differential input. - What is the input span of the ISL267450IBZ?
The input span is 2*VREF volts. - What are the possible supply voltages for the ISL267450IBZ?
The device can operate from a supply voltage of 2.7V to 5.25V. - How much power does the ISL267450IBZ consume at 1MSPS?
The power dissipation is 9.0mW at 1MSPS. - What is the power consumption in Auto Power-Down mode?
In Auto Power-Down mode, the power consumption is 5µW (with a 3V supply). - What are the available package options for the ISL267450IBZ?
The device is available in 8 Ld SOIC or MSOP packages. - What is the operating temperature range of the ISL267450IBZ?
The operating temperature range is –40°C to +85°C. - Is the ISL267450IBZ compatible with other ADC models?
Yes, it is drop-in compatible with the AD7450.
