DAQ on a Stick with Semitec RTD Temperature Sensor Kit
This reference design shows the operation of Renesas' precision products in a temperature sensor application. The application uses Renesas' data acquisition (DAQ) on a...
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Overview
Description
The ISL26102 and ISL26104 provide a low-noise programmable gain amplifier along with a 24-bit Delta-Sigma Analog-to-Digital Converter with two channel (ISL26102) or four channel (ISL26104) differential, multiplexed inputs. The devices feature exceptional noise performance for conversion rates ranging from 2. 5Sps to 4kSps. The on-chip low-noise programmable-gain amplifier provides gains ranging from 1 to 128, which supports ±19. 5mVFS from a 5V reference. The high input impedance allows direct connection of sensors such as load cell bridges to ensure the specified measurement accuracy without additional circuitry. The Delta-Sigma ADC features a 3rd-order modulator providing up to 21. 5 bit noise-free performance (10Sps), with user-selectable word rates. The converter can be operated from an external clock source, an external crystal (typically 4. 9152MHz), or the on-chip oscillator. The ISL26102 and ISL26104 offer a simple-to-use serial interface. The ISL26102 and ISL26104 are available in a Thin Shrink Small Outline Package (TSSOP). The devices are specified for operation over the automotive temperature range (-40°C to +105°C).
Features
- Programmable gain amplifier with gains of 1 to 128
- Low noise: 7nV/√Hz @ PGA = 128
- Linearity error: 0.0002% FS
- Output word rates up to 4kSps
- Low-side switch for load cell power management
- +5V analog and +2.7V to +5V digital supplies
- ISL26102 in 24 Ld TSSOP
- ISL26104 in 28 Ld TSSOP
- ESD 7.5kV - HBM
Comparison
Applications
- Weigh scales
- Temperature monitors and controls
- Load safety systems
- Industrial process control
- Pressure sensors
Design & Development
Software & Tools
Boards & Kits
DAQ on a Stick Strain Gauge with Programmable Chopper Stabilized In Amp
The DAQ on a Stick Strain Gauge with Programmable In Amp is one of a series of reference designs highlighting Renesas' precision products with different...
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Models
ECAD Models
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Processing table
| TSSOP | 28 | Tube | 2 | Yes | Pb-Free 100% Matte Tin Plate w/Anneal-e3 | -40 to +105°C | ||
| TSSOP | 28 | Reel | No | -40 to +105°C | ||||
| TSSOP | 28 | Reel | 2 | Yes | Pb-Free 100% Matte Tin Plate w/Anneal-e3 | -40 to +105°C |
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