Overview
The ISL26134AVZ is a 24-bit Delta-Sigma Analog-to-Digital Converter (ADC) produced by Renesas Electronics America Inc. This device is designed for high-resolution measurement applications and features a low-noise amplifier and a programmable-gain amplifier. It is available in a 28-lead TSSOP package and is specified for operation over the automotive temperature range of -40°C to +105°C. The ISL26134AVZ is part of the ISL26132 and ISL26134 family, which offers improved noise performance and is functionally compatible with the ADS1232 and ADS1234 devices.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Renesas Electronics America Inc. |
| Part Number | ISL26134AVZ |
| Package | 28-TSSOP (0.173, 4.40mm Width) |
| Number of Bits | 24 |
| Number of Analog In Channels | 4 (differential multiplexer inputs) |
| Voltage - Supply, Analog | 5V |
| Voltage - Supply, Digital | 2.7V ~ 5.25V |
| Operating Temperature | -40°C ~ 105°C |
| Sampling Rate (Per Second) | 10 Sps (low speed), 80 Sps (high speed) |
| Programmable Gain Amplifier (PGA) Gains | 1x, 2x, 64x, 128x |
| Analog Input Voltage Range | -2.5V to 2.5V |
| Output Format | SERIAL |
Key Features
- Low-noise 24-bit Delta-Sigma ADC with high input impedance, allowing direct connection of sensors such as load cell bridges.
- Programmable-gain amplifier with gains of 1x, 2x, 64x, and 128x.
- Four-channel differential multiplexer inputs (ISL26134 only).
- Operates from an external clock source, crystal (4.9152MHz typical), or the on-chip oscillator.
- Pb-Free (RoHS compliant).
- High resolution measurement capabilities with up to 21.6-bit noise-free performance.
Applications
- Weigh scales.
- Temperature monitors and controls.
- Industrial process control.
- Pressure sensors.
Q & A
- What is the resolution of the ISL26134AVZ ADC?
The ISL26134AVZ is a 24-bit Delta-Sigma Analog-to-Digital Converter.
- How many analog input channels does the ISL26134AVZ have?
The ISL26134AVZ has four differential multiplexer input channels).
- What are the operating voltage ranges for the ISL26134AVZ?
The analog supply voltage is 5V, and the digital supply voltage ranges from 2.7V to 5.25V).
- What are the gain options for the programmable-gain amplifier in the ISL26134AVZ?
The PGA gains are 1x, 2x, 64x, and 128x).
- What is the operating temperature range of the ISL26134AVZ?
The operating temperature range is -40°C to +105°C).
- Can the ISL26134AVZ be used with external clock sources?
- What is the typical sampling rate of the ISL26134AVZ?
The sampling rates are 10 Sps (low speed) and 80 Sps (high speed)).
- Is the ISL26134AVZ RoHS compliant?
- What types of applications is the ISL26134AVZ suitable for?
The ISL26134AVZ is suitable for applications such as weigh scales, temperature monitors and controls, industrial process control, and pressure sensors).
- What is the output format of the ISL26134AVZ?
The output format is SERIAL).
