Overview
Description
The ISL267452 is a 12-bit, 555kSPS sampling SAR-type ADC featuring excellent linearity over supply and temperature variations, and is drop-in compatible with the AD7452. The robust, fully-differential input offers high impedance to minimize errors due to leakage currents, and the specified measurement accuracy is maintained with input signals up to the supply rails. The reference accepts inputs from 0. 1V to 2. 2V for 3V operation and 0. 1V to 3. 5V for 5V operation, which provides design flexibility in a wide variety of applications. The ISL267452 also features up to 8kV Human Body Model ESD survivability. The serial digital interface is SPI compatible and is easily interfaced to all popular FPGAs and microcontrollers. Power dissipation is 7mW at a sampling rate of 555kSPS, and just 5µW between conversions utilizing Auto Power-Down mode (with a 5V supply), making the ISL267452 an excellent solution for remote industrial sensors and battery-powered instruments. The ISL267452 is available in an 8 LD SOT-23 package, and is specified for operation over the Industrial temperature range (-40°C to +85°C).
Features
- Differential Input (Span = 2VREF)
- Simple SPI-compatible Serial Digital Interface
- Guaranteed No Missing Codes
- 555kHz Sampling Rate
- 3V or 5V Operation
- Low Operating Current
- 1.25mA at 555kSPS with 3V Supplies
- 1.70mA at 555kSPS with 5V Supplies
- Power-down Current between Conversions: 1µA
- Excellent Differential Non-Linearity
- Low THD: -83dB (typ)
- Pb-Free (RoHS Compliant)
- Available in SOT-23 Package
Comparison
Applications
- Remote Data Acquisition
- Battery Operated Systems
- Industrial Process Control
- Energy Measurement
- Data Acquisition Systems
- Pressure Sensors
- Flow Controllers
Documentation
Featured Documentation
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| Type | Title | Date |
| Datasheet | PDF 1.07 MB | |
| Brochure | PDF 5.41 MB 日本語 | |
| End Of Life Notice | PDF 1.17 MB | |
| Price Increase Notice | PDF 208 KB | |
| Application Note | PDF 843 KB | |
| Application Note | PDF 503 KB | |
| Application Note | PDF 1.08 MB | |
| Application Note | PDF 287 KB | |
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Design & Development
Models
ECAD Models
Schematic symbols, PCB footprints, and 3D CAD models from SamacSys can be found by clicking on products in the Product Options table. If a symbol or model isn't available, it can be requested directly from the website.
Processing table
| SOT23 | 8 | Reel | No | -40 to +85°C | ||
| SOT23 | 8 | Reel | No | -40 to +85°C |
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