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Updated at 24/07/2025 10:30:15(UTC+8)

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Description

The LME49740NA is a quad high performance high fidelity audio Operational Amplifier optimized and fully specified for high-performance, high-fidelity applications. Combining advanced leading-edge process technology with state-of-the-art circuit design, the LME49740 audio operational amplifier delivers superior audio signal amplification for outstanding audio performance. The op-amp combines extremely low voltage noise density with vanishingly low THD+N to easily satisfy the most demanding audio applications. To ensure that the most challenging loads are driven without compromise, the op-amp has a high slew rate of ±20V/µs and an output current capability of ±26mA. Further, dynamic range is maximized by an output stage that drives 2kR loads to within 1V of either power supply voltage and to within 1.4V when driving 600R loads. The op-amp"s outstanding CMRR 120dB, PSRR 120dB and VOS 0.1mV give amplifier excellent operational amplifier DC performance. This op-amp is unity gain stable.
Optimized for superior audio signal fidelity
Output short-circuit protection
120dB Typical PSRR and CMRR exceed
2.7nV/√Hz Typical input noise density
55MHz Typical gain bandwidth product
10nA Typical input bias current
0.1mV Typical input offset voltage
0.000009% DC gain linearity error
This device has limited built-in ESD protection, leads should be shorted together or the device placed in conductive foam during storage or handling to prevent electrostatic damage to the MOS gates.

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LME49740NA Specifications

Attribute	Attribute Value

Datasheet	Datasheet
3D Model	3D Model
Mounting Style	Through Hole
Number of Pins	14 Pin
Case/Package	DIP
Supply Voltage (DC)	17.0 V
Output Current	30.0 mA
Number of Channels	4 Channel
Number of Positions	14 Position
Bandwidth	55.0 MHz
Slew Rate	20.0 V/μs
Operating Temperature (Max)	85 ℃
Operating Temperature (Min)	-40 ℃
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Product Lifecycle Status	Active
Packaging	Each
RoHS	RoHS Compliant
REACH SVHC Compliance	No SVHC
REACH SVHC Compliance Edition	2015/06/15

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