LME49721 Texas instruments

LME49721

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LME49721

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Описание

The LME49721 is a low-distortion, low-noise Rail-to-Rail Input/Output 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 LME49721 Rail-to-Rail Input/Output operational amplifier delivers superior signal amplification for outstanding performance. The LME49721 combines a very high slew rate with low THD+N to easily satisfy demanding applications. To ensure that the most challenging loads are driven without compromise, the LME49721 has a high slew rate of ±8.5V/μs and an output current capability of ±9.7mA. Further, dynamic range is maximized by an output stage that drives 10kΩ loads to within 10mV of either power supply voltage. The LME49721 has a wide supply range of 2.2V to 5.5V. Over this supply range the LME49721’s input circuitry maintains excellent common-mode and power supply rejection, as well as maintaining its low input bias current. The LME49721 is unity gain stable.

Rail-to-Rail Input and Output
Easily Drives 10kΩ Loads to Within 10mV of Each Power Supply Voltage
Optimized for Superior Audio Signal Fidelity
Output Short Circuit Protection

Key Specifications

Power Supply Voltage Range: 2.2V to 5.5V
Quiescent Current: 2.15mA (typ)
THD+N (A_V = 2, V_OUT = 4V_p-p, f _IN = 1kHz)
- R_L = 2kΩ: 0.00008% (typ)
- R_L = 600Ω: 0.0001% (typ)
Input Noise Density: 4nV/√Hz (typ), @ 1kHz
Slew Rate: ±8.5V/μs (typ)
Gain Bandwidth Product: 20MHz (typ)
Open Loop Gain (R_L = 600Ω): 118dB (typ)
Input Bias Current: 40fA (typ)
Input Offset Voltage: 0.3mV (typ)
PSRR: 103dB (typ)

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Number of channels	2
Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V)	2.2
Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V)	5.5
GBW (typ) (MHz)	20
Slew rate (typ) (V/µs)	8.5
Rail-to-rail	In, Out
Vos (offset voltage at 25°C) (max) (mV)	1.5
Iq per channel (typ) (mA)	2.15
Vn at 1 kHz (typ) (nV√Hz)	4
Features	Premium Sound, Shutdown
THD + N at 1 kHz (typ) (%)	0.0002
Rating	Catalog
Operating temperature range (°C)	-40 to 85
Iout (typ) (A)	0.1
Architecture	Voltage FB
CMRR (typ) (dB)	93
Input bias current (max) (pA)	1