Details

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BUY TLC549CDR https://www.utsource.net/itm/p/1101426.html
8-BIT ANALOG-TO-DIGITAL CONVERTERS WITH SERIAL CONTROL

Parameter	Symbol	Min	Typ	Max	Unit
Supply Voltage	VCC	2.7	-	5.5	V
Supply Current (Active)	ICC	-	100	-	μA
Supply Current (Shutdown)	ICC(SHDN)	-	1	-	μA
Analog Input Voltage Range	VI	0	-	VCC	V
Conversion Time	tC	-	300	-	μs
Output Data Rate	fS	-	3.3	-	kHz
Resolution	-	-	8-bit	-	bits
Differential Nonlinearity	DNL	-1	0	+1	LSB
Integral Nonlinearity	INL	-1	0	+1	LSB
Temperature Range	TA	-40	-	85	°C

Instructions for Using the TLC549CDR

1. Power Supply:

   • Connect the V_CC pin to a power supply within the range of 2.7V to 5.5V.
   • Connect the GND pin to ground.

2. Analog Input:

   • Connect the analog input signal to the VIN pin. The input voltage should be within the range of 0V to V_CC.

3. Digital Communication:

   • The TLC549CDR uses a serial interface for communication. Connect the following pins:
     • CS (Chip Select): Active low. When CS is low, the ADC starts conversion.
     • CLK (Clock): Provides the clock signal for data transfer.
     • DOUT (Data Out): Serial data output pin.
   • To start a conversion, bring CS low. The conversion will begin on the falling edge of CS.
   • After the conversion is complete, the data will be available on the DOUT pin. The data is read out on the rising edges of the CLK signal.

4. Shutdown Mode:

   • To put the device into shutdown mode, bring the SHDN pin high. This reduces the supply current to approximately 1 μA.
   • To resume normal operation, bring the SHDN pin low.

5. Timing Considerations:

   • Ensure that the clock frequency (f_S) is within the typical range of 3.3 kHz for proper data transfer.
   • The conversion time is typically 300 μs, so ensure that the system allows sufficient time for the conversion to complete before reading the data.

6. Operating Temperature:

   • The device is designed to operate within the temperature range of -40°C to 85°C.

7. Handling Precautions:

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

By following these instructions, you can effectively use the TLC549CDR for analog-to-digital conversion in your circuits.

(For reference only)