Overview
The ISL267452IHZ-T from Renesas Electronics America Inc. is a high-performance, 12-bit Successive Approximation Register (SAR) type Analog-to-Digital Converter (ADC). Designed for industrial and instrumentation applications, this ADC features excellent linearity over supply and temperature variations. It is drop-in compatible with the AD7452, making it a versatile solution for various analog-to-digital conversion needs. The ISL267452IHZ-T offers a robust, fully-differential input, high impedance to minimize errors due to leakage currents, and a simple SPI-compatible serial digital interface. This ADC is particularly suited for remote industrial sensors and battery-powered instruments due to its low power consumption and auto power-down mode.
Key Specifications
| Parameter | Description |
|---|---|
| Resolution | 12-bit |
| Sampling Rate | 555 kSPS |
| Supply Voltage | 2.7V to 5.25V |
| Operating Current | 1.25mA at 555kSPS (3V), 1.70mA at 555kSPS (5V) |
| Power-down Current | 1µA between conversions |
| Temperature Range | -40°C to +85°C |
| Package | 8 LD SOT-23 |
| ESD Survivability | Up to 8kV Human Body Model |
| Differential Non-Linearity | Excellent |
| Total Harmonic Distortion (THD) | -83dB (typ) |
Key Features
- Drop-in compatible with AD7452
- Differential input (Span = 2VREF)
- Simple SPI-compatible serial digital interface
- Guaranteed no missing codes
- Low operating current and power-down current
- Excellent differential non-linearity and low THD
- Pb-Free (RoHS Compliant)
- Available in SOT-23 package
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 ISL267452IHZ-T ADC?
The ISL267452IHZ-T has a 12-bit resolution.
- What is the sampling rate of the ISL267452IHZ-T?
The sampling rate is 555 kSPS.
- What is the supply voltage range for the ISL267452IHZ-T?
The supply voltage range is from 2.7V to 5.25V.
- What is the operating current of the ISL267452IHZ-T at 555kSPS?
The operating current is 1.25mA at 3V and 1.70mA at 5V.
- What is the power-down current between conversions?
The power-down current is 1µA between conversions.
- What is the temperature range for the ISL267452IHZ-T?
The temperature range is -40°C to +85°C.
- What package type is the ISL267452IHZ-T available in?
The ISL267452IHZ-T is available in an 8 LD SOT-23 package.
- What is the ESD survivability of the ISL267452IHZ-T?
The ISL267452IHZ-T has up to 8kV Human Body Model ESD survivability.
- Is the ISL267452IHZ-T RoHS compliant?
Yes, the ISL267452IHZ-T is Pb-Free (RoHS Compliant).
- What are some typical applications of the ISL267452IHZ-T?
Typical applications include remote data acquisition, battery-operated systems, industrial process control, energy measurement, data acquisition systems, pressure sensors, and flow controllers.
