Overview
The HX71160005, produced by Diodes Incorporated, is a 24-bit analog-to-digital converter (ADC) specifically designed for weight scale and other precision measurement applications. This chip integrates a preamplifier, an ADC, and a digital interface, making it a comprehensive solution for converting low-voltage analog signals from load cells into digital data that can be read by microcontrollers. The HX71160005 is built on Avia Semiconductor's patented technology and is known for its high precision, low noise, and ease of use.
Key Specifications
| Parameter | Description | Value |
|---|---|---|
| Supply Voltage | Analog and Digital Supply Voltage | 2.6V to 5.5V |
| Operating Temperature | Temperature Range for Operation | -40°C to +85°C |
| Input Channels | Selectable Differential Input Channels | Two (Channel A and Channel B) |
| Gain Settings | Selectable Gain of the PGA | 32, 64, 128 |
| Output Data Rate | Selectable Output Data Rates | 10 SPS or 80 SPS |
| Power Consumption | Current Consumption in Normal Operation and Power Down | <1.5 mA (normal), <1 uA (power down) |
| Package | Package Type | 16-pin SOP-16 |
| Internal Oscillator | Optional Use of External Crystal or On-chip Oscillator | Yes |
| Supply Rejection | Simultaneous 50 and 60Hz Supply Rejection | Yes |
Key Features
- On-chip active low noise Programmable Gain Amplifier (PGA) with selectable gain of 32, 64, and 128.
- On-chip power supply regulator for load-cell and ADC analog power supply.
- On-chip oscillator requiring no external component with optional external crystal.
- On-chip power-on-reset circuitry simplifies digital interface initialization.
- Simple digital control and serial interface: pin-driven controls, no programming needed.
- Selectable 10 SPS or 80 SPS output data rate.
- Simultaneous 50 and 60Hz supply rejection.
- Low current consumption: normal operation < 1.5 mA, power down < 1 uA.
Applications
- Weigh scales.
- Industrial process control.
- Automatic doors.
- Smart elevators.
Q & A
- What is the HX71160005 used for?
The HX71160005 is used for converting low-voltage analog signals from load cells into digital data, primarily in weight scale and precision measurement applications. - What are the key features of the HX71160005?
The key features include an on-chip PGA, on-chip power supply regulator, on-chip oscillator, and simple digital control and serial interface. - What are the selectable gain settings of the HX71160005?
The HX71160005 has selectable gain settings of 32, 64, and 128. - What are the output data rates of the HX71160005?
The output data rates are selectable between 10 SPS and 80 SPS. - What is the operating temperature range of the HX71160005?
The operating temperature range is -40°C to +85°C. - Does the HX71160005 require external components for the oscillator?
No, the HX71160005 has an on-chip oscillator that does not require any external components, though an external crystal can be used if desired. - How does the HX71160005 handle power supply noise?
The HX71160005 has simultaneous 50 and 60Hz supply rejection. - What is the power consumption of the HX71160005?
The power consumption is less than 1.5 mA in normal operation and less than 1 uA in power down mode. - What package type is the HX71160005 available in?
The HX71160005 is available in a 16-pin SOP-16 package. - Does the HX71160005 require programming for its internal registers?
No, the HX71160005 does not require programming for its internal registers; all controls are through pin-driven controls.
