AD9850BRSZ Detailed explanation of pin function specifications and circuit principle instructions
The AD9850BRSZ is a product from Analog Devices, a leading company in high-pe RF ormance analog, mixed-signal, and digital signal processing technology.
The AD9850BRSZ is a Direct Digital Synthesizer ( DDS ) IC, which is used in generating precise frequency signals for various applications like radio communication, signal processing, and test equipment.
Packaging:
The AD9850BRSZ is housed in a 32-lead LQFP (Low Profile Quad Flat Package), which means it has 32 pins for interfacing with other electronic components.
Pin Function and Specification List:
Below is the detailed pin function and specification of the AD9850BRSZ in the form of a table, providing each of the 32 pins' specific role and usage.
Pin Number Pin Name Pin Function 1 VDD Power supply pin, typically connected to 3.3V to 5V (depending on your system voltage). 2 GND Ground pin for the device, used to complete the electrical circuit. 3 VDD Power supply pin, connected to the same power as pin 1. 4 RESET Active low pin to reset the DDS device, typically used to initialize the circuit. 5 PWRDWN Active high to power down the device. 6 FQ_UD Frequency Update signal, controls when the frequency data is latched into the internal register. 7 DAC_CLK The Clock signal that drives the internal DAC, this can be used to synchronize the DAC with the rest of the system. 8 DAC_DAT Data signal for the DAC to generate the analog output waveform. 9 DAC_CLR DAC clear signal, used to clear the internal DAC output. 10 W_CLK This is the Write Clock for the device, used in the transfer of data. 11 FREQ_DATA[0] Data input for frequency control, bit 0 of the 32-bit frequency register. 12 FREQ_DATA[1] Data input for frequency control, bit 1 of the 32-bit frequency register. 13 FREQ_DATA[2] Data input for frequency control, bit 2 of the 32-bit frequency register. 14 FREQ_DATA[3] Data input for frequency control, bit 3 of the 32-bit frequency register. 15 FREQ_DATA[4] Data input for frequency control, bit 4 of the 32-bit frequency register. 16 FREQ_DATA[5] Data input for frequency control, bit 5 of the 32-bit frequency register. 17 FREQ_DATA[6] Data input for frequency control, bit 6 of the 32-bit frequency register. 18 FREQ_DATA[7] Data input for frequency control, bit 7 of the 32-bit frequency register. 19 FREQ_DATA[8] Data input for frequency control, bit 8 of the 32-bit frequency register. 20 FREQ_DATA[9] Data input for frequency control, bit 9 of the 32-bit frequency register. 21 FREQ_DATA[10] Data input for frequency control, bit 10 of the 32-bit frequency register. 22 FREQ_DATA[11] Data input for frequency control, bit 11 of the 32-bit frequency register. 23 FREQ_DATA[12] Data input for frequency control, bit 12 of the 32-bit frequency register. 24 FREQ_DATA[13] Data input for frequency control, bit 13 of the 32-bit frequency register. 25 FREQ_DATA[14] Data input for frequency control, bit 14 of the 32-bit frequency register. 26 FREQ_DATA[15] Data input for frequency control, bit 15 of the 32-bit frequency register. 27 FREQ_DATA[16] Data input for frequency control, bit 16 of the 32-bit frequency register. 28 FREQ_DATA[17] Data input for frequency control, bit 17 of the 32-bit frequency register. 29 FREQ_DATA[18] Data input for frequency control, bit 18 of the 32-bit frequency register. 30 FREQ_DATA[19] Data input for frequency control, bit 19 of the 32-bit frequency register. 31 FREQ_DATA[20] Data input for frequency control, bit 20 of the 32-bit frequency register. 32 FREQ_DATA[21] Data input for frequency control, bit 21 of the 32-bit frequency register.Common FAQs:
Below are 20 frequently asked questions regarding the AD9850BRSZ:
Q: What is the operating voltage range for the AD9850BRSZ? A: The AD9850BRSZ operates within a voltage range of 3.3V to 5V.
Q: What is the pin count of the AD9850BRSZ? A: The AD9850BRSZ has a 32-pin LQFP package.
Q: How can I reset the AD9850BRSZ? A: The AD9850BRSZ can be reset by applying a low signal to the RESET pin.
Q: What is the function of the FQUD pin? A: The FQUD pin controls when frequency data is latched into the internal registers.
Q: How is the AD9850BRSZ powered down? A: You can power down the AD9850BRSZ by applying a high signal to the PWRDWN pin.
Q: Can the AD9850BRSZ generate both sine and cosine waves? A: Yes, the AD9850BRSZ generates both sine and cosine waves depending on the setup.
Q: What is the purpose of the DACCLK pin? A: The DACCLK pin provides a clock signal to drive the internal DAC.
Q: How do I change the frequency output of the AD9850BRSZ? A: You can change the frequency by writing the desired value to the FREQ_DATA pins.
Q: How many data bits are used for the frequency control? A: The AD9850BRSZ uses a 32-bit data width for frequency control.
Q: What is the maximum output frequency of the AD9850BRSZ? A: The maximum output frequency of the AD9850BRSZ is up to 125 MHz.
Q: What is the DAC output resolution of the AD9850BRSZ? A: The AD9850BRSZ features a 10-bit DAC output resolution.
Q: Is the AD9850BRSZ suitable for RF applications? A: Yes, the AD9850BRSZ is commonly used in RF signal generation applications.
Q: How can I clear the DAC output of the AD9850BRSZ? A: The DAC output can be cleared by applying a low signal to the DAC_CLR pin.
Q: What is the purpose of the WCLK pin? A: The WCLK pin is used for writing data to the internal registers of the device.
Q: What is the maximum input frequency for the AD9850BRSZ? A: The maximum input frequency for the AD9850BRSZ is typically 125 MHz.
Q: What is the pin configuration for the frequency data input? A: The frequency data input is a 32-bit input, spread over pins FREQDATA[0] to FREQDATA[31].
Q: Can the AD9850BRSZ be used in a system with a microcontroller? A: Yes, the AD9850BRSZ is compatible with microcontrollers and can be controlled via SPI or parallel interface s.
Q: Is the AD9850BRSZ a single-ended or differential signal output? A: The AD9850BRSZ has single-ended output signals.
Q: How can I improve the output signal quality? A: Output signal quality can be improved by using an external low-pass filter to clean the signal.
Q: What is the significance of the RESET pin? A: The RESET pin is essential for initializing the device or recovering from an error state.
This detailed pinout description and FAQ should provide a comprehensive understanding of the AD9850BRSZ Direct Digital Synthesizer IC.
