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LM4861MX Datasheet(PDF) 3 Page - Texas Instruments

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Part # LM4861MX
Description  1.1W Audio Power Amplifier with Shutdown Mode
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

LM4861MX Datasheet(HTML) 3 Page - Texas Instruments

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LM4861
www.ti.com
SNAS095C – MAY 1997 – REVISED MAY 2013
Absolute Maximum Ratings
(1) (2)
Supply Voltage
6.0V
Storage Temperature
−65°C to +150°C
Input Voltage
−0.3V to VDD + 0.3V
Power Dissipation (3)
Internally limited
ESD Susceptibility (4)
3000V
ESD Susceptibility (5)
250V
Junction Temperature
150°C
Soldering Information
SOIC Package
Vapor Phase (60 sec.)
215°C
Infrared (15 sec.)
220°C
(1)
Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for
which the device is functional, but do not ensure specific performance limits. Electrical Characteristics state DC and AC electrical
specifications under particular test conditions which ensure specific performance limits. This assumes that the device is within the
Operating Ratings. Specifications are not ensured for parameters where no limit is given, however, the typical value is a good indication
of device performance.
(2)
Military/Aerospace specified devices are required, please contact the Texas Instruments Sales Office/ Distributors for availability and
specifications.
(3)
The maximum power dissipation must be derated at elevated temperatures and is dictated by TJMAX, θJA, and the ambient temperature
TA. The maximum allowable power dissipation is PDMAX = (TJMAX − TA)/θJA or the number given in the Absolute Maximum Ratings,
whichever is lower. For the LM4861, TJMAX = 150°C, and the typical junction-to-ambient thermal resistance, when board mounted, is
140°C/W.
(4)
Human body model, 100pF discharged through a 1.5k
Ω resistor.
(5)
Machine Model, 220pF–240pF discharged through all pins.
Operating Ratings
Temperature Range
TMIN ≤ TA ≤ TMAX
−40°C ≤ TA ≤ +85°C
Supply Voltage
2.0V
≤ VDD ≤ 5.5V
Thermal Resistance
θJC (typ)—M08A
35°C/W
θJA (typ)—M08A
140°C/W
θJC (typ)—N08E
37°C/W
θJA (typ)—N08E
107°C/W
Electrical Characteristics
(1) (2)
The following specifications apply for VDD = 5V, unless otherwise specified. Limits apply for TA = 25°C.
LM4861
Units
Symbol
Parameter
Conditions
(Limits)
Typical(3)
Limit(4)
VDD
Supply Voltage
2.0
V (min)
5.5
V (max)
IDD
Quiescent Power Supply Current
VIN = 0V, IO = 0A
(5)
6.5
10.0
mA (max)
ISD
Shutdown Current
VSHUTDOWN = VDD
0.6
10.0
μA (max)
VOS
Output Offset Voltage
VIN = 0V
5.0
50.0
mV (max)
PO
Output Power
THD = 1% (max); f = 1 kHz
1.1
1.0
W (min)
THD+N
Total Harmonic Distortion + Noise
PO = 1Wrms; 20 Hz ≤ f ≤ 20 kHz
0.72
%
PSRR
Power Supply Rejection Ratio
VDD = 4.9V to 5.1V
65
dB
(1)
All voltages are measured with respect to the ground pin, unless otherwise specified.
(2)
Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for
which the device is functional, but do not ensure specific performance limits. Electrical Characteristics state DC and AC electrical
specifications under particular test conditions which ensure specific performance limits. This assumes that the device is within the
Operating Ratings. Specifications are not ensured for parameters where no limit is given, however, the typical value is a good indication
of device performance.
(3)
Typicals are measured at 25°C and represent the parametric norm.
(4)
Limits are specified to TI's AOQL (Average Outgoing Quality Level).
(5)
The quiescent power supply current depends on the offset voltage when a practical load is connected to the amplifier.
Copyright © 1997–2013, Texas Instruments Incorporated
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