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DAC902 DCA Digital to Analog Conversion 12 Bit High Speed Low Power DA 165MSPS for Sale - BlackBerryForums.com

DAC902 DCA Digital to Analog Conversion 12 Bit High Speed Low Power DA 165MSPS For Sale

DAC902 DCA Digital to Analog Conversion 12 Bit High Speed Low Power DA 165MSPS


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DAC902 DCA Digital to Analog Conversion 12 Bit High Speed Low Power DA 165MSPS:
$19.11

Module parameters:


Module model: DAC902

Module type: digital-to-analog conversion module

Module power supply: DC5V

Module current: 50mA (MAX)

Module communication protocol: 12-bit parallel

Module provides routines: STM32F103RBT6

Routine platform: STM32F103X-M3; KEIL5 version source code

Module output voltage range: ± 1.24V

DAC resolution digits: 12

Number of output channels: single channel

Module output interface: SMA; 24-hour salt spray anti-oxidation

Module output signal: voltage; OPA690 chip output, with a certain driving capacity, within 50mA

Reference voltage: 1.24V; reserved external input reference in SOT-23 package

Voltage settling time: 30nS

DAC sampling rate: 165MSPS

DAC output analog bandwidth; 33MHz

Module features: multiple; with output buffer amplifier, ultra-low AC crosstalk, ultra-fast settling time

Module applications: multiple; digital microwave connection, cable modulator, arbitrary waveform generation, high-speed instrument control, video and digital TV

Module interface type: SMA signal output, 3.81-2PIN power socket XH2.54 double-row pin data interface


Note: The chip features are only for user selection reference. Non-modules have this feature.


Precautions for using the module: (1) The module is a low power consumption module, and the power supply does not exceed 5.5V. (2) Since the module is a high-precision device, in order to avoid unnecessary interference, it is recommended to use a linear power supply. (3) It is recommended to use the SMA corresponding interface for the output signal line. Mismatched interfaces are likely to cause poor contact, and poor quality wires may cause signal attenuation or excessive noise. (4) The delivered code is only used for the supporting main control board. No single-chip microcomputer tutorial is provided. Functions other than product details display need to be developed by yourself. (5) If you need to simply test the function of the module, it is recommended to use it with the control board of our store; after the correct wiring, the control board can be powered to achieve the analog voltage output. Frequently asked questions: Q: What is the highest frequency that the DAC902 can generate a sine wave with the main control board of our store? A: The default output frequency of the main control board of our store is 1KHz. Since the single chip microcomputer cannot achieve the best performance of DAC902, there is no test limit value; generally, a high-speed processor such as FPGA is required to exert all its performance; the theoretical maximum is 33MHz Sine wave. Q: Can the output voltage range of the module be increased? What is the control accuracy? What should the output current capability be? A: At present, the circuit of the module can only output ± 1.25V, and the output voltage control accuracy is 1mV (low power ripple). The current output is within 50mA, and the magnification can be modified according to the schematic diagram to increase the output voltage, but the control accuracy will also decrease. Q: What is the difference between the clock on the SMA port on the board and the clock on the pin header? A: There is no difference. The SMA port has a better shielding effect and is more resistant to interference.




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DAC902 DCA Digital to Analog Conversion 12 Bit High Speed Low Power DA 165MSPS

$19.11



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