Overview
The CAT5132ZI-50-GT3 is a high-voltage digital potentiometer produced by onsemi. This component operates like a mechanical potentiometer but offers the advantages of digital control and non-volatile memory. It features 128 taps and an I2C interface, allowing for precise and flexible resistance adjustments. The device is designed to handle high analog voltages up to 16 V, while the digital supply range is from 2.7 V to 5.5 V. This makes it suitable for a variety of applications requiring accurate voltage division and resistance control.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Potentiometer Resistance | 50 kΩ | Ω |
| Number of Taps | 128 | - |
| Digital Supply Voltage (VCC) | 2.7 V to 5.5 V | V |
| Analog Supply Voltage (V+) | +8 V to +16 V | V |
| Operating Temperature Range | −40°C to +85°C | °C |
| Standby Current (VCC) | 5 μA | μA |
| Standby Current (V+) | 10 μA | μA |
| Wiper Current | ±3 mA | mA |
| Package Type | 10-pin MSOP | - |
Key Features
- Single Linear Digital Potentiometer with 128 Taps
- I2C Interface
- Fast Up/Down Wiper Control Mode
- Non-volatile Wiper Setting Storage
- Automatic Wiper Setting Recall at Power-up
- Low Standby Current: 15 μA
- 100 Year Wiper Setting Memory
- Industrial Temperature Range: −40°C to +85°C
- Pb-Free, Halogen Free/BFR Free and RoHS Compliant
Applications
- LCD Screen Adjustment
- Volume Control
- Mechanical Potentiometer Replacement
- Gain Adjustment
- Line Impedance Matching
- VCOM Setting Adjustments
Q & A
- What is the maximum analog voltage the CAT5132ZI-50-GT3 can handle?
The CAT5132ZI-50-GT3 can handle analog voltages up to 16 V.
- How many taps does the CAT5132ZI-50-GT3 have?
The CAT5132ZI-50-GT3 has 128 taps.
- What is the digital supply voltage range for the CAT5132ZI-50-GT3?
The digital supply voltage range is from 2.7 V to 5.5 V.
- Does the CAT5132ZI-50-GT3 have non-volatile memory?
Yes, the CAT5132ZI-50-GT3 has non-volatile memory for wiper setting storage.
- What is the operating temperature range of the CAT5132ZI-50-GT3?
The operating temperature range is from −40°C to +85°C.
- What is the standby current of the CAT5132ZI-50-GT3?
The standby current is 5 μA for VCC and 10 μA for V+.
- Is the CAT5132ZI-50-GT3 RoHS compliant?
Yes, the CAT5132ZI-50-GT3 is Pb-Free, Halogen Free/BFR Free and RoHS Compliant.
- How is the wiper position recalled on power-up?
The wiper position is automatically recalled from the non-volatile memory on power-up.
- What interface does the CAT5132ZI-50-GT3 use for communication?
The CAT5132ZI-50-GT3 uses an I2C interface for communication.
- What is the package type of the CAT5132ZI-50-GT3?
The package type is a 10-pin MSOP.
