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Specifications
SKU: 1352145
1 GSPS Quadrature Digital Upconverter w/18-Bit IQ Data Path and 14-Bit DAC
| Parameter | Description | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Supply Voltage (VCC) | Operating supply voltage | 3.0 | 3.3 | 3.6 | V |
| Analog Supply Voltage (AVCC) | Analog supply voltage | 3.0 | 3.3 | 3.6 | V |
| Digital Supply Voltage (DVCC) | Digital supply voltage | 1.7 | 1.8 | 1.9 | V |
| Reference Voltage (VREF) | Reference voltage for DAC | 0.4 | 0.6 | 0.8 | V |
| Output Current (IOUT) | Maximum output current per channel | - | 20 | - | mA |
| Frequency Resolution | Minimum frequency step size | - | 0.029 | - | Hz |
| Phase Resolution | Minimum phase step size | - | 0.088 | - | Degrees |
| Spurious Free Dynamic Range (SFDR) | Measure of spurious signals | - | 70 | - | dBc |
| Signal-to-Noise Ratio (SNR) | Ratio of signal power to noise power | - | 65 | - | dB |
| Total Harmonic Distortion (THD) | Measure of harmonic distortion | - | -65 | - | dBc |
| Power Consumption | Typical power consumption at full scale output | - | 400 | - | mW |
| Operating Temperature Range | Temperature range for operation | -40 | - | 85 | °C |
| Storage Temperature Range | Temperature range for storage | -65 | - | 150 | °C |
Instructions for Using AD9957BSVZ
Power Supply Configuration:
- Connect the VCC pin to a stable 3.3V supply.
- Connect the AVCC pin to a stable 3.3V supply for analog components.
- Connect the DVCC pin to a stable 1.8V supply for digital components.
- Ensure the reference voltage (VREF) is set to 0.6V for optimal performance.
Clock Configuration:
- Provide a stable clock signal to the REFCLK pin. The AD9957BSVZ supports a wide range of clock frequencies, typically from 10 MHz to 500 MHz.
- Use a low-jitter clock source to minimize phase noise and improve performance.
Digital Interface:
- The AD9957BSVZ uses a serial peripheral interface (SPI) for configuration and data transfer.
- Connect the SPI pins (SCLK, SDIO, CS, and SYNC) to your microcontroller or FPGA.
- Configure the device using the SPI commands as specified in the datasheet.
Output Configuration:
- Set the desired output frequency and phase using the SPI interface.
- The device supports single-tone and multi-tone operation.
- Adjust the output current (IOUT) to match your load requirements, up to a maximum of 20 mA.
Calibration:
- Perform initial calibration to ensure accurate frequency and phase settings.
- Calibration can be done using the on-chip calibration registers or external calibration methods.
Thermal Management:
- Ensure adequate heat dissipation by providing a proper heatsink or thermal pad.
- Monitor the device temperature and keep it within the operating temperature range (-40°C to 85°C).
Testing and Verification:
- Verify the output signal using a spectrum analyzer or oscilloscope.
- Check the SFDR, SNR, and THD to ensure the device meets the required performance specifications.
Storage and Handling:
- Store the device in a dry and cool environment within the storage temperature range (-65°C to 150°C).
- Handle the device with care to avoid static discharge and physical damage.
For detailed information and specific application notes, refer to the AD9957BSVZ datasheet and application notes provided by Analog Devices.
(For reference only)Inquiry - AD9957BSVZ
