Op Amp (Operational Amplifier): TS922
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Use this Op Amp to amplify, filter and add analog signals such as amplifying audio, conditioning sensor readings, and buffering analog signals. The TS922 is very popular in hobby electronics involving analog signals.
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This Op Amp (operational amplifier) gives you the ability to amplify, filter and add together analog signals. This is most useful in robotics for amplifying analog sensor readings and filtering them against sporadic interferences. Also useful for amplifying audio signals especially as it can easily output 80mA (enough for small speakers and headphones). With 2 Amplifiers inside, you can amplify up to 2 signals at once!
A little background on Op Amps:
The circuit symbol for an op amp is:
The op amp obeys the input-output relationship:
where vo is the output voltage, v+ and v- are, respectively, the voltages at the non-inverting and inverting inputs, and A is the amplifier gain.
Quick Getting Started Pin Hookup Explained:
-
4 Input Pins:
- Pin 3: Non-Inverting Input 1 (V+)
- This is the pin you will send the signal you want to amplify into.
- Pin 2: Inverting Input 1 (V-)
- This is the pin for the signal you want subtracted from Pin 3's value before amplifying. Set this to GND to amplify the full signal on Pin 3.
- Pin 5: Non-Inverting Input 2 (V+)
- This is the pin you will send the second signal you want to amplify into.
- Pin 6: Inverting Input 2 (V-)
- This is the pin for the signal you want subtracted from Pin 5 before amplifying. Set this to GND to amplify the full signal on Pin 5.
- Pin 3: Non-Inverting Input 1 (V+)
-
2 Output Pins:
- Pin 1: Output 1 (Vo)
- This pin is the amplified difference of Pin 3 and Pin 2. (This will simply be amplified Pin 3 if you've set Pin 6 to GND.)
- Pin 7: Output 2 (Vo)
- This pin is the amplified difference of Pin 5 and Pin 6. (This will simply be amplified Pin 5 if you've set Pin 6 to GND.)
- Pin 1: Output 1 (Vo)
-
Power Pins:
- Pin 8: Power + (VCC +)
- This pin provides power to the chip. Give it 2.7V - 12V
- Pin 4: Power - (VCC -)
- This pin is Ground for the chip. Give it 0V
- Pin 8: Power + (VCC +)
Specifications:
- Operating Voltage: 2.7V - 12V
- Rail-to-Rail Input and Output
- Max Output Current: 80 mA (Can drive 32 Ohm loads)
- Number of Pins: 8
- Operating Temperature Range: -40 to 125 C
- Manufacturer Part Number: TS922IN
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Use this Op Amp to amplify, filter and add analog signals such as amplifying audio, conditioning sensor readings, and buffering analog signals. The TS922 is very popular in hobby electronics involving analog signals.