AD7714AR-5

AD7714AR-5

Category: IC Chips

Specifications
SKU
1117295
Details

BUY AD7714AR-5 https://www.utsource.net/itm/p/1117295.html
Metal Oxide Varistor MOV; Voltage Rating AC, Vrms:680Vrms; Voltage Rating DC, Vdc:895VDC; Peak Surge Current 8/20uS, Itm:4500A; Clamping Voltage 8/20us Max :1815V; Capacitance, Cd:140pF; Package/Case:14mm Disc

Below is the parameter table and instructions for the AD7714AR-5, a 24-bit, sigma-delta analog-to-digital converter (ADC) from Analog Devices.

AD7714AR-5 Parameter Table

Parameter Symbol Min Typ Max Unit
Supply Voltage VDD 2.7 5.25 5.25 V
Supply Current (Active) IDD - 1.8 - mA
Supply Current (Standby) IDD - 0.5 - μA
Input Range VIN 0 - VREF V
Reference Voltage VREF 2.5 5.0 - V
Resolution - 24 - bits
Conversion Time (Single) tCONV - 133 - ms
Output Data Rate fODR 0.1 100 19200 Hz
Differential Nonlinearity DNL -1 0 +1 LSB
Integral Nonlinearity INL -2 0 +2 LSB
Signal-to-Noise Ratio SNR - 110 - dB
Total Harmonic Distortion THD - -100 - dB
Operating Temperature Toper -40 85 125 °C
Storage Temperature Tstg -65 150 - °C

Instructions for Using AD7714AR-5

  1. Power Supply:

    • Connect the VDD pin to a stable power supply between 2.7V and 5.25V.
    • Connect the GND pin to the system ground.
  2. Reference Voltage:

    • Apply a reference voltage (VREF) between 2.5V and 5.0V to the VREF pin. This reference voltage determines the input range of the ADC.
  3. Analog Input:

    • Connect the analog signal to be converted to the appropriate input pins (AIN1, AIN2, etc.). The input signal should be within the range of 0 to VREF.
  4. Digital Interface:

    • The AD7714AR-5 supports SPI (Serial Peripheral Interface) communication. Connect the following pins:
      • SCLK: Serial Clock
      • DIN: Data In
      • DOUT: Data Out
      • CS: Chip Select
  5. Configuration:

    • Use the configuration registers to set up the ADC according to your requirements. Key registers include:
      • Mode Register: Sets the operating mode (e.g., single conversion, continuous conversion).
      • Setup Register: Configures the input channel, gain, and filter settings.
      • Data Register: Reads the converted data.
  6. Conversion:

    • To start a conversion, write the appropriate command to the Mode Register.
    • For single conversions, wait for the conversion to complete before reading the data.
    • For continuous conversions, data can be read at the specified output data rate.
  7. Reading Data:

    • After a conversion is complete, read the data from the Data Register using the SPI interface.
    • The data is 24 bits long and is transmitted MSB first.
  8. Power Management:

    • To reduce power consumption, use the Standby mode by writing to the appropriate register.
    • To return to active mode, write the appropriate command to the Mode Register.
  9. Temperature Considerations:

    • Ensure that the operating temperature is within the specified range (-40°C to 125°C).
    • Store the device within the storage temperature range (-65°C to 150°C).
  10. Handling:

    • Handle the device with care to avoid static discharge and physical damage.
    • Follow proper ESD (Electrostatic Discharge) precautions when handling the device.

By following these instructions, you can effectively use the AD7714AR-5 in your analog-to-digital conversion applications.

(For reference only)

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