The LME49720 is a 2-channel, 55MHz, high-fidelity, high-performance, RRO audio operational amplifier
The LME49720 device is part of a family of ultralow distortion, low noise, high slew rate operational amplifiers optimized and fully suited for high performance, high fidelity applications. The LME49720 audio operational amplifier combines the state-of-the-art AD7416ARZ-REEL process technology with state-of-the-art circuit design to provide superior audio signal amplification for outstanding audio performance. The LME49720 combines very low voltage noise density (2.7nV/√Hz) with very low THD+N (0.00003%) to easily meet the most demanding audio applications.
characteristic:
●Easy to drive 600Ω load
●Optimized for superior audio signal fidelity
●Output short circuit protection
●PSRR and CMRR over 120dB (typ.)
●SOIC, PDIP, TO-99 metal can package
●Main Specifications
○ Supply voltage range: ±2.5 to ±17V
○THD+N (A V = 1, V OUT = 3V RMS, f IN = 1kHz):
RL = 2kΩ: 0.00003% (typ.)
RL = 600Ω: 0.00003% (typ.)
○ Input noise density: 2.7nV/√Hz (typ.)
○ Slew rate: ±20V/μs (typ.)
○Gain bandwidth product: 55MHz (typ.)
○ Open loop gain (R L = 600Ω;): 140dB (typ.)
○Input bias current: 10nA (typ.)
○Input offset voltage: 0.1mV (typ.)
○DC gain linearity error: 0.000009%
parameter:
Number of channels (#): 2
Total Supply Voltage (Min) (+5V=5, +/-5V=10): 5
Total Supply Voltage (Max) (+5V=5, +/-5V=10): 34
GBW (typ.) (MHz): 55
Slew rate (Typ) (V/us): 20
Rail to Rail: No
Vos (offset voltage @ 25 C) (max) (mV): 0.7
Iq (Typ) (mA) per channel: 5
Vn (typ) at 1 kHz (nV/rtHz): 2.5
feature:-
THD + N @ 1 kHz (Typ) (%): 0.00003
Operating temperature range (°C): -40 to 85
Output current (Typ) (mA): 26
Architecture: Voltage Feedback
CMRR (typ) (dB): 120
Input Bias Current (Max) (pA): 72000
