Overview
The ISL267450AIUZ-T7A is a 12-bit, 1MSPS (Mega Samples Per Second) SAR (Successive Approximation Register) 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, making it a reliable choice for various applications. It is drop-in compatible with the AD7450A, offering a seamless transition for designers familiar with these parts. The ADC features a robust, fully-differential input and a simple SPI-compatible serial digital interface, which facilitates easy integration with popular FPGAs and microcontrollers.
Key Specifications
| Parameter | Value | Notes |
|---|---|---|
| Resolution | 12-bit | |
| Sampling Rate | 1 MSPS | |
| Supply Voltage | 2.7V to 5.25V | |
| Operating Temperature | -40°C to +85°C | Industrial temperature range |
| Input Type | Differential | |
| Reference Voltage Range | 0.1V to 2.2V (3V operation), 0.1V to 3.5V (5V operation) | |
| Power Consumption | 8.5mW at 1MSPS, 5µW between conversions (Auto Power-Down mode with 5V supply) | |
| Package | 8-lead MSOP | |
| ESD Protection | Up to 8kV Human Body Model |
Key Features
- Drop-in compatible with AD7440 and AD7450A
- Differential input with high impedance to minimize errors due to leakage currents
- Simple SPI-compatible serial digital interface
- Guaranteed no missing codes
- Low operating current: 1.25mA at 1MSPS with 3V supplies, 1.70mA at 1MSPS with 5V supplies
- Low power-down current between conversions: 1µA
- Excellent differential non-linearity and low THD: -83dB (typical)
- Pb-Free (RoHS compliant)
Applications
- Remote data acquisition
- Battery-operated systems
- Industrial process control
- Remote industrial sensors
Q & A
- What is the resolution of the ISL267450AIUZ-T7A ADC?
The ISL267450AIUZ-T7A is a 12-bit ADC.
- What is the sampling rate of the ISL267450AIUZ-T7A?
The sampling rate is 1 MSPS.
- What is the operating temperature range of the ISL267450AIUZ-T7A?
The operating temperature range is -40°C to +85°C.
- What type of input does the ISL267450AIUZ-T7A have?
The input is differential.
- What is the reference voltage range for the ISL267450AIUZ-T7A?
The reference voltage range is 0.1V to 2.2V for 3V operation and 0.1V to 3.5V for 5V operation.
- How much power does the ISL267450AIUZ-T7A consume at 1MSPS?
The power consumption is 8.5mW at 1MSPS.
- What is the package type of the ISL267450AIUZ-T7A?
The package type is 8-lead MSOP.
- Does the ISL267450AIUZ-T7A have ESD protection?
Yes, it has up to 8kV Human Body Model ESD protection.
- Is the ISL267450AIUZ-T7A RoHS compliant?
Yes, it is Pb-Free and RoHS compliant.
- What are some typical applications of the ISL267450AIUZ-T7A?
Typical applications include remote data acquisition, battery-operated systems, industrial process control, and remote industrial sensors.
