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AD5144ABRUZ100
+Lista de MateriaisIC DGT POT 100KOHM 256TP 20TSSOP
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FabricanteAnalog Devices Inc.
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Peça do Fabricante #AD5144ABRUZ100
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Ficha Técnica AD5144ABRUZ100 DataSheet
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Especificações
| Atributo | Valor |
| PartStatus | Active |
| DigiKeyProgrammable | Not Verified |
| Taper | Linear |
| Configuration | Potentiometer |
| NumberofCircuits | 4 |
| NumberofTaps | 256 |
| Resistance(Ohms) | 100k |
| Interface | I2C |
| MemoryType | Non-Volatile |
| Voltage-Supply | 2.3V ~ 5.5V, ±2.25V ~ 2.75V |
| Features | Selectable Address |
| Tolerance | ±8% |
| TemperatureCoefficient(Typ) | 35ppm/°C |
| MountingType | Surface Mount |
| SupplierDevicePackage | 20-TSSOP |
| Package/Case | 20-TSSOP (0.173", 4.40mm Width) |
| OperatingTemperature | -40°C ~ 125°C |
| Resistance-Wiper(Ohms)(Typ) | 130 |
| BaseProductNumber | AD5144 |
Visão Geral
Description
Key features include non-volatile memory that retains the resistance setting when powered off, an operating temperature range from -40°C to +125°C, and low power consumption. The AD5144ABRUZ100 can be programmed to operate as a standard digital pot or as a variable resistor, providing flexibility in design.
Its compact package size (TSSOP) is suitable for space-constrained applications. Overall, the AD5144ABRUZ100 is a versatile component for designers looking to incorporate programmable resistance into their systems efficiently.
Equivalent
1. MCP41010 – Microchip
2. DS1803 – Maxim Integrated
3. Wiper 10K - NVE Corporation
4. POT-DIGITAL-100K - Texas Instruments
When selecting alternatives, consider specifications like resistance value, number of positions, and interface type to ensure compatibility.
Features
1. Resolution: 1024 steps (10-bit) for fine control over resistance.
2. Interface: SPI-compatible interface for easy communication with microcontrollers.
3. Resistance: 100 kΩ nominal resistance, suitable for a variety of applications.
4. Low Power Consumption: Operates at low supply voltages, enhancing battery life in portable applications.
5. Multiple Channels: Supports dual-channel operation, allowing for simultaneous adjustment of two potentiometers.
6. Non-volatile Memory: Retains settings even when powered off, thanks to its onboard EEPROM.
7. Operating Voltage: Wide supply voltage range from 2.7V to 5.5V for flexibility in different circuits.
8. Temperature Range: Industrial-grade performance with an operational temperature range of -40°C to +125°C.
9. Small Package: Available in a compact LFCSP package, ideal for space-constrained designs.
These features make the AD5144ABRUZ100 suitable for applications in industrial automation, consumer electronics, and automotive systems.
Pinout
1. VDD (Pin 1): Power supply.
2. GND (Pin 2): Ground connection.
3. SCL (Pin 3): Serial clock input for I2C communication.
4. SDA (Pin 4): Serial data input/output for I2C communication.
5. CS (Pin 5): Chip select for enabling the device.
6. RESET (Pin 6): Reset pin for restoring default settings.
7. WIPER (Pin 7): Wiper terminal to output variable resistance.
8. RH (Pin 8): High terminal of the potentiometer.
9. RL (Pin 9): Low terminal of the potentiometer.
10. VOUT (Pin 10): Output voltage.
11. A0, A1 (Pins 11-12): Address selection pins for I2C.
12. NC (Pins 13-14): No connect, not internally connected.
This device features 256 taps, allowing for precise adjustment of resistance via digital control.
Manufacturer
Application
1. Audio Control: Volume adjustment in audio devices.
2. Sensor Calibration: Fine-tuning sensor outputs in measurement systems.
3. Gain Adjustment: Modifying gain levels in amplifiers and signal processing.
4. Programmable Resistors: Replacing mechanical potentiometers in various circuits.
5. Offset and Biasing: Setting offsets in analog systems.
6. Temperature Compensation: Adjusting circuits for temperature variations.
7. Embedded Systems: Integration in microcontroller-based projects for variable resistance control.
Its non-volatile memory enables the storage of configurations, enhancing flexibility in these applications.