Details

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BUY XR2206 https://www.utsource.net/itm/p/12600022.html

Parameter	Symbol	Min	Typical	Max	Unit
Supply Voltage	Vcc	4.5	-	15	V
Output Voltage (High)	VOH	-	13.5	-	V (Vcc = 15V)
Output Voltage (Low)	VOL	-	0.75	-	V (Vcc = 15V)
Output Current (Sink)	IOS	-	10	-	mA
Output Current (Source)	IOH	-	10	-	mA
Frequency Range	f	0.01	-	1000	kHz
Duty Cycle	D	0.1	-	0.9	-
Power Dissipation	PD	-	180	-	mW (TA = 25掳C)
Operating Temperature	Toper	-40	-	85	掳C
Storage Temperature	Tstg	-65	-	150	掳C

Instructions for Using XR2206:

1. Power Supply:

   • Connect the Vcc pin to a power supply ranging from 4.5V to 15V.
   • Ground the GND pin.

2. Frequency Control:

   • Use the external resistor (Rt) and capacitor (Ct) connected between pins 7 (RT/CT) and 6 (DISCHARGE) to set the frequency.
   • The frequency can be calculated using the formula: [ f = frac{1.44}{(R_t times C_t)} ]

3. Duty Cycle Adjustment:

   • The duty cycle can be adjusted by connecting a potentiometer or a fixed resistor between pins 5 (THRESHOLD) and 6 (DISCHARGE).
   • The duty cycle can be varied from approximately 10% to 90%.

4. Output Waveform:

   • The output waveform is available at pin 3 (OUT).
   • For square wave generation, use the configuration as described above.
   • For sine wave generation, connect an external network to convert the square wave to a sine wave.

5. Output Load:

   • The output can drive loads up to 10mA sink or source current.
   • For higher current requirements, use a transistor or other amplifying device.

6. Temperature Considerations:

   • Ensure the operating temperature is within the range of -40掳C to 85掳C.
   • Store the device in temperatures between -65掳C and 150掳C.

7. Power Dissipation:

   • Keep the power dissipation below 180mW to avoid overheating.
   • Use a heatsink if necessary for extended operation at high power levels.

8. Testing and Troubleshooting:

   • Verify the supply voltage and connections before powering the device.
   • Check the output waveform using an oscilloscope to ensure correct operation.
   • If the output is not as expected, check the values of Rt and Ct, and the connections to the threshold and discharge pins.

(For reference only)