Overview
The ISL26321FBZ-T7A is a 12-bit, low-power Analog-to-Digital Converter (ADC) from Renesas Electronics America Inc. This device is part of the ISL26320, ISL26321, ISL26322, ISL26323, ISL26324, ISL26325, and ISL26329 family of Successive Approximation Register (SAR) type ADCs. It is designed to offer excellent linearity over supply and temperature variations, making it suitable for a wide range of applications. The ADC features single-ended and differential input channels, a proprietary input multiplexer, and a combination buffer amplifier, which reduce input drive requirements and minimize board space and cost.
Key Specifications
| Specification | Value |
|---|---|
| Resolution | 12 bits |
| Sampling Rate | 250 kSPS |
| Input Type | Single-ended and differential |
| Supply Voltage | +5.25V to +2.7V |
| Operating Current | 3 mA (typical) |
| Power-down Current | 8 µA (typical) |
| Temperature Range | -40°C to +125°C |
| ESD Survivability | 5 kV HBM, 350 V MM, 2 kV CDM |
| Package Type | 8-SOIC |
Key Features
- Pin-compatible family allows easy design upgrades
- Excellent differential non-linearity (0.7 LSB max)
- Low Total Harmonic Distortion (THD): -86 dB (typical)
- Simple SPI-compatible serial digital interface
- Low power consumption: 15 mW at 250 kSPS
- High ESD survivability: 5 kV HBM, 350 V MM, 2 kV CDM
Applications
- Industrial process control
- Energy measurement
- Multichannel data acquisition systems
- Pressure sensors
- Flow controllers
Q & A
- What is the resolution of the ISL26321FBZ-T7A ADC?
The ISL26321FBZ-T7A has a resolution of 12 bits.
- What is the maximum sampling rate of the ISL26321FBZ-T7A?
The maximum sampling rate is 250 kSPS.
- What types of input channels does the ISL26321FBZ-T7A support?
The device supports both single-ended and differential input channels.
- What is the operating current of the ISL26321FBZ-T7A?
The typical operating current is 3 mA.
- What is the power-down current of the ISL26321FBZ-T7A?
The typical power-down current is 8 µA.
- What is the temperature range for the ISL26321FBZ-T7A?
The device operates over the full industrial temperature range of -40°C to +125°C.
- What is the ESD survivability of the ISL26321FBZ-T7A?
The device has an ESD survivability of 5 kV HBM, 350 V MM, and 2 kV CDM.
- In what package type is the ISL26321FBZ-T7A available?
The device is available in an 8-SOIC package.
- What interface does the ISL26321FBZ-T7A use for digital communication?
The device uses a simple SPI-compatible serial digital interface.
- What are some common applications of the ISL26321FBZ-T7A?
Common applications include industrial process control, energy measurement, multichannel data acquisition systems, pressure sensors, and flow controllers.
