Details

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BUY TLC549IDR https://www.utsource.net/itm/p/742957.html
IC ADC 8BIT SAR 8SOIC

Below is the parameter table and instructions for the TLC549IDR, an 8-bit A/D converter from Texas Instruments.

TLC549IDR Parameter Table

Parameter	Symbol	Min	Typ	Max	Unit	Conditions
Supply Voltage	VCC	2.7	-	5.5	V	-
Analog Input Voltage Range	VIN	0	-	VCC	V	-
Conversion Time	tCONV	-	16	20	μs	fCLK = 1 MHz
Data Output Rate	fOUT	-	62.5	62.5	kbps	fCLK = 1 MHz
Digital Output High Level	VOH	2.4	-	VCC - 0.1	V	IOH = 4 mA
Digital Output Low Level	VOL	0	-	0.4	V	IOL = 16 mA
Input Leakage Current	IIN	-1	0	1	μA	VIN = 0 to VCC
Power Consumption	ICC	-	0.5	1.0	mA	VCC = 5 V, fCLK = 1 MHz
Operating Temperature Range	TA	-40	-	85	°C	-
Storage Temperature Range	TSTG	-65	-	150	°C	-

Instructions for Using TLC549IDR

1. Power Supply:

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

2. Analog Input:

   • Connect the analog signal to be converted to the V_IN pin. Ensure the input voltage is within the range of 0 V to V_CC.

3. Clock Signal:

   • Apply a clock signal to the CLK pin. The typical frequency is 1 MHz, but it can range from 100 kHz to 1 MHz.

4. Start Conversion:

   • To initiate a conversion, pull the CS (Chip Select) pin low. This will start the conversion process.

5. Data Output:

   • After the conversion is complete (approximately 16-20 μs at 1 MHz), the digital output will be available on the DOUT pin.
   • The data is read serially, with the most significant bit (MSB) first.

6. End of Conversion:

   • The EOC (End of Conversion) pin will go high when the conversion is complete. This can be used to trigger the reading of the data.

7. Reading Data:

   • While the CS pin is held low, the data can be read from the DOUT pin by toggling the CLK signal. Each clock pulse will shift out one bit of the 8-bit result.

8. Power Down Mode:

   • To reduce power consumption, set the CS pin high. This will put the device into a low-power mode.

9. Temperature Considerations:

   • Ensure the operating temperature is within the specified range (-40°C to 85°C). Exceeding these limits may affect performance or cause damage.

10. Storage:

    • Store the device in a dry environment within the storage temperature range (-65°C to 150°C).

By following these instructions, you can effectively use the TLC549IDR for analog-to-digital conversion in your projects.

(For reference only)