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The NE5532 is a high performance low noise dual operational amplifier (dual op-amp) integrated circuit. The recommended power supply voltage is ±3-±20v.
Its characteristics:
1, small signal bandwidth: 10MHZ.
2, output driving capacity: 600Ω, 10V effective value.
3, input noise voltage: 5nV\/√Hz (typical value).
4, DC voltage gain: 50000.
5, AC voltage gain: 2200-10KHZ.
6, power bandwidth: 140KHZ.
7, conversion rate: 9V\/μs.
8, large power supply voltage range: ±3V-±20V.
9. Unit gain compensation.
M5218:
1: Output A, 2: - Input A, 3: input A
7: Output B, 6: - Input B, 5: input B
8: positive power supply, 4: negative power supply (ground)
4558, LM358, NE5532...... Dual op amp can be substituted.