Details

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BUY ADC0804LCN. https://www.utsource.net/itm/p/12610804.html

Parameter	Symbol	Min	Typical	Max	Unit	Notes
Supply Voltage	Vcc	4.5	5.0	5.5	V
Reference Voltage	Vref	0	2.5	5.0	V
Analog Input Voltage	Vin	0		Vref	V
Conversion Time	tconv		100		渭s
Resolution			8-bit		bits
Differential Nonlinearity (DNL)	DNL	-1	0	+1	LSB
Integral Nonlinearity (INL)	INL	-1	0	+1	LSB
Power Consumption	Pd		150		mW
Operating Temperature	Temp	-40		85	掳C
Storage Temperature	Tstg	-65		150	掳C

Instructions for Using ADC0804LCN:

1. Power Supply:

   • Connect the Vcc pin to a stable 5V power supply.
   • Ground the GND pin.

2. Reference Voltage:

   • Connect the Vref/2 pin to a reference voltage source if using an external reference. Otherwise, leave it unconnected or connect it to Vcc/2 for internal reference.

3. Analog Input:

   • Connect the analog input signal to the IN+ pin. Ensure the input voltage is within the range of 0 to Vref.

4. Digital Output:

   • The digital output is available on the DB0 to DB7 pins. These pins are active low, so a high impedance state indicates a logic high.

5. Start Conversion:

   • To start a conversion, bring the START pin high for at least 100 ns and then return it to low. The conversion will begin after the falling edge of the START signal.

6. Conversion Complete:

   • Monitor the EOC (End of Conversion) pin. It will go high when the conversion is complete. This typically takes about 100 渭s.

7. Reading the Data:

   • Once the EOC pin goes high, you can read the 8-bit digital output from the DB0 to DB7 pins. Ensure the OE (Output Enable) pin is high to enable the output.

8. Clock Input:

   • Connect a clock signal to the CLK pin. The ADC0804LCN operates with a clock frequency of 500 kHz to 640 kHz.

9. Reset:

   • The RESET pin can be used to reset the ADC. Bring it high to reset the device and then return it to low.

10. Temperature Considerations:

    • Ensure the operating temperature is within the specified range of -40掳C to 85掳C. Store the device within the storage temperature range of -65掳C to 150掳C.

11. Handling Precautions:

    • Handle the ADC0804LCN with care to avoid damage from electrostatic discharge (ESD). Use proper ESD protection measures.

By following these instructions, you can effectively use the ADC0804LCN in your analog-to-digital conversion applications.

(For reference only)