Texas Instruments 44V High Performance, High Fidelity Single Audio Operational Amplifier (8-pin, SOIC Package) LME49870M LME49870MABD Scheda Tecnica
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LME49870MABD
SNAS413C – SEPTEMBER 2007 – REVISED APRIL 2013
LME49870 44V Single High Performance, High Fidelity Audio Operational Amplifier
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FEATURES
DESCRIPTION
The LME49870 is part of the ultra-low distortion, low
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•
Easily Drives 600
Ω
Loads
noise, high slew rate operational amplifier series
•
Optimized for Superior Audio Signal Fidelity
optimized and fully specified for high performance,
•
Output Short Circuit Protection
high
fidelity
applications.
Combining
advanced
leading-edge process technology with state-of-the-art
•
PSRR and CMRR Exceed 120dB (Typ)
circuit design, the LME49870 audio operational
amplifier delivers superior audio signal amplification
amplifier delivers superior audio signal amplification
APPLICATIONS
for outstanding audio performance. The LME49870
•
High Quality Audio Amplification
combines
extremely
low
voltage
noise
density
(2.7nV/
√
Hz) with vanishingly low THD+N (0.00003%)
•
High Fidelity Preamplifiers, Phono Preamps,
to
easily
satisfy
the
most
demanding
audio
and Multimedia
applications. To ensure that the most challenging
•
High Performance Professional Audio
loads are driven without compromise, the LME49870
•
High Fidelity Equalization and Crossover
has a high slew rate of ±20V/
μ
s and an output current
Networks with Active Filters
capability of ±26mA. Further, dynamic range is
maximized by an output stage that drives 2k
maximized by an output stage that drives 2k
Ω
loads
•
High Performance Line Drivers and Receivers
to within 1V of either power supply voltage and to
•
Low Noise Industrial Applications Including
within 1.4V when driving 600
Ω
loads.
Test, Measurement, and Ultrasound
The LME49870's outstanding CMRR (120dB), PSRR
(120dB), and V
(120dB), and V
OS
(0.1mV) give the amplifier excellent
KEY SPECIFICATIONS
operational amplifier DC performance.
•
Power Supply Voltage Range: ±2.5V to ±22V
The LME49870 has a wide supply range of ±2.5V to
•
THD+N
(A
V
= 1, V
OUT
= 3V
RMS
, f
IN
= 1kHz)
±22V.
Over
this
supply
range
the
LME49870
–
R
L
= 2k
Ω
: 0.00003% (Typ)
maintains excellent common-mode rejection, power
supply rejection, and low input bias current. The
supply rejection, and low input bias current. The
–
R
L
= 600
Ω
: 0.00003% (Typ)
LME49870
is
unity
gain
stable.
This
Audio
•
Input Noise Density: 2.7nV/
√
Hz (Typ)
Operational
Amplifier
achieves
outstanding
AC
•
Slew Rate: ±20V/
μ
s (Typ)
performance while driving complex loads with values
as high as 100pF.
as high as 100pF.
•
Gain Bandwidth Product: 55MHz (Typ)
•
Open Loop Gain (R
L
= 600
Ω
): 140dB (Typ)
The LME49870 is available in 8–lead narrow body
SOIC. Demonstration boards are available for each
SOIC. Demonstration boards are available for each
•
Input Bias Current: 10nA (Typ)
package.
•
Input Offset Voltage: 0.1mV (Typ)
•
DC Gain Linearity Error: 0.000009%
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Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
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PRODUCTION DATA information is current as of publication date.
Copyright © 2007–2013, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.