Overview
The ISL26104AVZ-T7A, produced by Renesas Electronics America Inc., is a low-noise 24-bit Delta-Sigma Analog-to-Digital Converter (ADC) with a programmable gain amplifier. This device is part of the ISL26104 series and is designed to offer high precision and low noise performance. It features four differential, multiplexed input channels, making it suitable for a variety of applications requiring high accuracy and reliability.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Number of Channels | 4 | |
| Resolution | 24 bits | |
| Conversion Rate | 2.5 Sps to 4 kSps | |
| Programmable Gain | 1 to 128 | |
| Noise Performance | 7 nV/√Hz @ PGA = 128 | |
| Integral Nonlinearity (INL) | ±0.0002% FS (Gain = 1) | |
| Analog Supply Voltage | 4.75 V to 5.25 V | V |
| Digital Supply Voltage | 2.7 V to 5.25 V | V |
| Operating Temperature Range | -40°C to +105°C | °C |
| Package | 28 Ld TSSOP | |
| Power Consumption | 33.75 mW | mW |
Key Features
- Low-noise programmable gain amplifier with gains ranging from 1 to 128.
- High input impedance allowing direct connection of sensors like load cell bridges.
- 24-bit Delta-Sigma ADC with a 3rd-order modulator providing up to 21.5 bit noise-free performance.
- User-selectable word rates and conversion rates from 2.5 Sps to 4 kSps.
- Low-side switch for load cell power management.
- Simple-to-use serial interface.
- Operates from an external clock source, external crystal, or on-chip oscillator.
- ESD protection of 7.5 kV - HBM.
Applications
- Weigh scales
- Temperature monitors and controls
- Load safety systems
- Industrial process control
- Pressure sensors
Q & A
- What is the resolution of the ISL26104AVZ-T7A ADC?
The resolution of the ISL26104AVZ-T7A is 24 bits.
- How many channels does the ISL26104AVZ-T7A have?
The ISL26104AVZ-T7A has four differential, multiplexed input channels.
- What is the range of programmable gain for the ISL26104AVZ-T7A?
The programmable gain ranges from 1 to 128.
- What is the noise performance of the ISL26104AVZ-T7A?
The noise performance is 7 nV/√Hz at a gain of 128.
- What is the operating temperature range of the ISL26104AVZ-T7A?
The operating temperature range is -40°C to +105°C.
- What types of power supplies does the ISL26104AVZ-T7A require?
The device requires an analog supply voltage of 4.75 V to 5.25 V and a digital supply voltage of 2.7 V to 5.25 V.
- How is the ISL26104AVZ-T7A packaged?
The device is packaged in a 28 Ld Thin Shrink Small Outline Package (TSSOP).
- What is the power consumption of the ISL26104AVZ-T7A?
The power consumption is approximately 33.75 mW.
- Can the ISL26104AVZ-T7A be used with external clock sources?
Yes, the device can be operated from an external clock source, an external crystal, or the on-chip oscillator.
- What are some common applications for the ISL26104AVZ-T7A?
Common applications include weigh scales, temperature monitors and controls, load safety systems, industrial process control, and pressure sensors.
