LME49726 - 高电流、低失真轨至轨输出音频运算放大器

LME49726是TI德州仪器公司的一款音频运算放大器产品，LME49726是高电流、低失真轨至轨输出音频运算放大器，本站介绍了LME49726的封装应用图解、特点和优点、功能等，并给出了与LME49726相关的TI元器件型号供参考。

LME49726 - 高电流、低失真轨至轨输出音频运算放大器 - 音频运算放大器 - 运算放大器(OpAmp) - 德州仪器

产品描述

The LME49726 is a low distortion, low noise rail-to-rail output audio operational amplifier optimized and fully specified for high performance, high fidelity applications. The LME49726 delivers superior audio signal amplification for outstanding audio performance. The LME49726 has a very low THD+N to easily satisfy demanding audio applications. To ensure that the most challenging loads are driven without compromise, the LME49726 provides output current greater than 300mA at 5V. Further, dynamic range is maximized by an output that drives 2k? loads to within 4mV of either power supply voltage.

The LME49726 has a supply range of 2.5V to 5.5V. Over this supply range the LME49726’s input circuitry maintains excellent common-mode and power supply rejection, as well as maintaining its low input bias current. The LME49726 is unity gain stable.

产品特性

Rail-to-Rail Output
Easily Drives 2k? Loads to within 4mV of Each Power Supply Voltage Rail
Optimized for Superior Audio Signal Fidelity
Output Short Circuit Protection
High Output Drive (>300mA)
Available in VSSOP Exposed-DAP Package

Key Specifications

Power Supply Voltage Range: 2.5 to 5.5 V
Quiescent Current per Amplifier at 5V: 0.7 mA (Typ)
THD+N, AV = 1, fIN = 1kHz, RL = 10k?:
- (VOUT = 3.5VP-P, VDD = 5.0V): 0.00008 % (Typ)
- (VOUT = 1.5VP-P, VDD = 2.5V): 0.00002 % (Typ)
Equivalent Input Noise (f = 10k): 8.3 nV/√Hz (Typ)
Slew Rate: ±3.7 V/μs (Typ)
Gain Bandwidth Product: 6.25 MHz (Typ)
Open Loop Gain (RL = 10k?): 120 dB (Typ)
Input Bias Current: 0.2 pA (Typ)
Input Offset Voltage: 0.5 mV (Typ)
PSRR (DC): 104 dB (Typ)

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