Specifications
SKU: 702695
Complete 12-Bit CMOS Multiplying DAC
Parameter | Symbol | Conditions | Min | Typ | Max | Unit |
---|---|---|---|---|---|---|
Supply Voltage | VDD | 4.5 | 5.0 | 5.5 | V | |
Digital Output Resolution | N | 12 | bits | |||
Analog Input Range | VIN | VREF = 2.5V | 0 | 2.5 | V | |
Conversion Time | tCONV | 10 | μs | |||
Power Consumption | IDD | VDD = 5V, T = 25°C | 20 | mA | ||
Operating Temperature | Toperating | -40 | 85 | °C | ||
Storage Temperature | Tstorage | -65 | 150 | °C |
Instructions for Using AD7845JRZ
Power Supply:
- Ensure the supply voltage (VDD) is within the range of 4.5V to 5.5V.
- Connect the ground (GND) pin to a stable ground reference.
Analog Input:
- The analog input voltage (VIN) should be within the range of 0V to 2.5V when using the default reference voltage (VREF = 2.5V).
- Do not exceed the input voltage range to avoid damage to the device.
Reference Voltage:
- The reference voltage (VREF) can be set externally or internally. For internal reference, it is typically 2.5V.
Digital Interface:
- The AD7845JRZ uses a parallel interface for data output.
- Ensure the digital output lines are connected to the appropriate data pins on your microcontroller or processor.
- The conversion time is approximately 10 μs, so ensure your system can handle this delay.
Temperature Considerations:
- The operating temperature range is from -40°C to 85°C.
- Store the device in temperatures ranging from -65°C to 150°C to avoid damage.
Power Consumption:
- At 5V supply voltage and 25°C, the typical power consumption is 20mA.
- Ensure your power supply can provide sufficient current.
Handling and Storage:
- Handle the device with care to avoid static discharge, which can damage sensitive components.
- Store the device in a dry, cool place to prevent moisture damage.
Testing and Verification:
- Before integrating the AD7845JRZ into your design, test it with a simple setup to verify its functionality.
- Use a known reference voltage and input signal to ensure accurate readings.
By following these instructions, you can ensure optimal performance and reliability of the AD7845JRZ in your application.
(For reference only)Inquiry - AD7845JRZ