LME49724 Datasheet, PDF (3/30 Pages) National Semiconductor (TI) – High Performance, High Fidelity, Fully-Differential Audio Operational Amplifier

LME49724
www.ti.com
Pin
1
2
3
4
5
6
7
8
Exposed Pad
Name
V_IN-
V_OCM
V_CC
V_OUT+
V_OUT-
V_EE
ENABLE
V_IN+
SNAS438A – NOVEMBER 2008 – REVISED APRIL 2013
PIN DESCRIPTIONS
Pin Function
Input pin
Sets the output DC voltage. Internally set by a resistor divider to the
midpoint of the voltages on the V_CC and V_EE pins. Can be forced
externally to a different voltage (50kΩ input impedance).
Positive power supply pin.
Output pin. Signal is inverted relative to V_IN-where the feedback loop is
connected.
Output pin. Signal is inverted relative to V_IN+ where the feedback loop is
connected.
Negative power supply pin or ground for a single supply configuration.
Enables the LME49724 when the voltage is greater than 2.35V above
the voltage on the V_EE pin. Disable the LME49724 by connecting to the
same voltage as on the V_EE pin which will reduce current consumption to
less than 0.3mA (typ).
Input pin
Exposed pad for improved thermal performance. Connect to the same
potential as the V_EE pin or electrically isolate.
Type
Analog Input
Analog Input
Power Supply
Analog Output
Analog Output
Power Supply
Analog Input
Analog Input
These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam
during storage or handling to prevent electrostatic damage to the MOS gates.
Absolute Maximum Ratings ^(1)(2)(3)
Power Supply Voltage
Storage Temperature
(V_S = V_CC + |V_EE |)
38V
−65°C to 150°C
Input Voltage
Output Short Circuit
Power Dissipation ⁽⁴⁾
ESD Rating ⁽⁵⁾
ESD Rating ⁽⁶⁾
(V_EE) – 0.7V to (V_CC) + 0.7V
Continuous
Internally Limited
2000V
200V
Junction Temperature (T_JMAX)
Soldering Information
Vapor Phase (60sec.)
150°C
215°C
Infrared (60sec.)
220°C
Thermal Resistance
θ_JA (MR)
49.6°C/W
(1) Absolute Maximum Ratings indicate limits beyond which damage to the device may occur, including inoperability and degradation of
device reliability and/or performance. Functional operation of the device and/or non-degradation at the Absolute Maximum Ratings or
other conditions beyond those indicated in the Recommended Operating Conditions is not implied. The Recommended Operating
Conditions indicate conditions at which the device is functional and the device should not be operated beyond such conditions. All
voltages are measured with respect to the ground pin, unless otherwise specified.
(2) The Electrical Characteristics tables list specifications under the listed Recommended Operating Conditions except as otherwise
modified or specified by the Electrical Characteristics Conditions and/or Notes. Typical specifications are estimations only and are not
ensured.
(3) If Military/Aerospace specified devices are required, please contact the Texas Instruments Sales Office/Distributors for availability and
specifications.
(4) The maximum power dissipation must be derated at elevated temperatures and is dictated by T_JMAX, θ_JA, and the ambient temperature,
T_A. The maximum allowable power dissipation is P_DMAX = (T_JMAX - T_A) / θ_JA or the number given in Absolute Maximum Ratings,
whichever is lower.
(5) Human body model, applicable std. JESD22-A114C.
(6) Machine model, applicable std. JESD22-A115-A.
Copyright © 2008–2013, Texas Instruments Incorporated
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