Specifications
SKU: 925532
LC2MOS Quad 8-Bit D/A Converter
Parameter | Symbol | Min | Typical | Max | Unit | Notes |
---|---|---|---|---|---|---|
Supply Voltage | VDD | 4.5 | 5.0 | 5.5 | V | |
Supply Current | IDD | - | 2.5 | - | mA | |
Output Voltage Range | VOUT | 0 | - | VDD | V | |
Resolution | - | - | 12-bit | - | bits | |
Differential Nonlinearity | DNL | -1 | 0 | +1 | LSB | |
Integral Nonlinearity | INL | -1 | 0 | +1 | LSB | |
Settling Time | tS | - | 10 | - | μs | |
Power-Down Mode Current | IDD-PD | - | 1.0 | - | μA | |
Operating Temperature | Toper | -40 | - | 85 | °C |
Instructions for Use
Power Supply:
- Connect the VDD pin to a stable 5V power supply.
- Ensure the ground (GND) is properly connected to the system ground.
Digital Interface:
- The AD7226TQ supports a parallel interface.
- Connect the data lines (D0-D11) to the microcontroller or processor.
- Connect the control lines (CS, WR, RD) as specified by your system.
Output Configuration:
- The output voltage range is from 0V to VDD.
- Use the digital input to set the desired output level.
Power-Down Mode:
- To enter power-down mode, set the appropriate control bit in the configuration register.
- This reduces the current consumption to approximately 1.0 μA.
Calibration:
- Perform a one-time calibration to ensure accuracy.
- Use the calibration procedure provided in the datasheet to adjust for any offsets or gains.
Settling Time:
- After changing the digital input, allow at least 10 μs for the output to settle to the new value.
Temperature Considerations:
- The device operates over a temperature range of -40°C to 85°C.
- Ensure the operating environment does not exceed these limits.
Handling:
- Handle the device with care to avoid static damage.
- Follow ESD (Electrostatic Discharge) precautions during handling and installation.
Storage:
- Store the device in a dry, cool place to prevent moisture damage.
For detailed information, refer to the AD7226TQ datasheet and application notes.
(For reference only)Inquiry - AD7226TQ