AD5791ARUZ Detailed explanation of pin function specifications and circuit principle instructions
The AD5791ARUZ is a precision digital-to-analog converter (DAC) produced by Analog Devices, a well-known company specializing in high-performance analog, mixed-signal, and digital signal processing technology. The AD5791ARUZ is part of their line of highly accurate, low- Power DACs, designed for applications requiring precision voltage output.
Packaging:
The AD5791ARUZ comes in a 40-lead LFCSP (Lead Frame Chip Scale Package), which is a compact and low-profile package commonly used in applications where space is limited and performance is critical.
Pin Function and Specification:
The following table outlines the pin functions of the AD5791ARUZ 40-lead LFCSP package. This table provides a detailed explanation of each pin's purpose and the associated specification:
Pin No. Pin Name Function Description 1 VSS Ground pin. Connect to the system ground. 2 VSS Ground pin. Connect to the system ground. 3 VOUT Output voltage pin. Provides the output voltage corresponding to the digital input code. 4 VOUT Output voltage pin. Provides the output voltage corresponding to the digital input code. 5 VREF Reference voltage input. The output voltage is based on the reference voltage applied to this pin. 6 VDD Positive supply pin. Connect to the power supply. 7 VDD Positive supply pin. Connect to the power supply. 8 AGND Analog ground pin. Connect to the analog ground system. 9 AGND Analog ground pin. Connect to the analog ground system. 10 SCL I2C serial Clock input. Used for clocking data in communication between the DAC and a microcontroller or other digital devices. 11 SDA I2C serial data input/output. Transfers data to/from the DAC via the I2C protocol. 12 RESET Reset input. Used to reset the DAC to its default state when low. 13 CS Chip select input. Active low to select the DAC for communication. 14 LDAC Load DAC input. Used to load the DAC output data when a new value is written. 15 SHDN Shutdown input. When high, the DAC enters a low-power shutdown state. 16 MISO Master In Slave Out. Used for SPI data output when operating in SPI mode. 17 MOSI Master Out Slave In. Used for SPI data input when operating in SPI mode. 18 SCK Serial clock. The clock signal for the SPI interface . 19 SDO Serial data out. Used to output data when using SPI interface. 20 REFOUT Reference output. Provides a reference voltage output that can be used by other devices or for monitoring purposes. 21 DGND Digital ground pin. Connect to the digital ground system. 22 DGND Digital ground pin. Connect to the digital ground system. 23 NC No connection pin. Typically left floating or unconnected. 24 NC No connection pin. Typically left floating or unconnected. 25 AVDD Analog supply pin. Connect to the positive analog supply voltage. 26 AVDD Analog supply pin. Connect to the positive analog supply voltage. 27 SYNC Sync input. Used to synchronize multiple devices when needed. 28 FSYNC Frame sync. Used for timing control when in parallel mode. 29 VOUT Output voltage pin. Provides the output voltage corresponding to the digital input code. 30 VOUT Output voltage pin. Provides the output voltage corresponding to the digital input code. 31 SDI Serial data input. Used for SPI data input when operating in SPI mode. 32 SDO Serial data output. Used to output data when using SPI interface. 33 CLK Clock input for synchronization of data communication. 34 AIN Analog input pin. For other possible input signal configurations in certain models. 35 AIN Analog input pin. For other possible input signal configurations in certain models. 36 DACREF DAC reference pin. Used to connect the reference signal for output generation. 37 DACREF DAC reference pin. Used to connect the reference signal for output generation. 38 LDAC Load DAC. Used to load a new data value to the DAC output. 39 PGOOD Power good output. Indicates the power status of the DAC. 40 SENSE Voltage sense input. Used to monitor and adjust the output voltage if needed.