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LM49450 Fiches technique(PDF) 4 Page - Texas Instruments

No de pièce LM49450
Description  Boomer I2S Input, 2.5W/Channel, Low EMI, Stereo, Class D Audio Sub-System with Ground Referenced Headphone Amplifier, 3D Enhancement, and Headphone Sense
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Fabricant  TI [Texas Instruments]
Site Internet  http://www.ti.com
Logo TI - Texas Instruments

LM49450 Fiches technique(HTML) 4 Page - Texas Instruments

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LM49450
SNAS440D – FEBRUARY 2008 – REVISED MAY 2013
www.ti.com
Absolute Maximum Ratings
(1) (2) (3)
Supply Voltage(1)
6.0V
Storage Temperature
−65°C to +150°C
Input Voltage
–0.3V to VDD +0.3V
Power Dissipation(4)
Internally Limited
ESD Susceptibility(5)
2000V
ESD Susceptibility(6)
200V
Junction Temperature (TJMAX)
150°C
Thermal Resistance
θJC
2.4°C/W
θJA
28.4°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 ensured 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 TJMAX , θJA, and the ambient temperature,
TA. The maximum allowable power dissipation is PDMAX = (TJMAX – TA) / θJA 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.
Operating Ratings
(1) (2)
Temperature Range
TMIN ≤ TA ≤ TMAX
−40°C ≤ TA ≤ +85°C
Supply Voltage
2.7V
≤ VDD ≤ 5.5V
(VDD, LSVDD)
Headphone Supply Voltage
1.8V
≤ VDD ≤ 2.7V
(CPVDD, HPVDD)
Digital Core Supply Voltage (DVDD)
2.7V
≤ DVDD ≤ 4.5V
Digital IO Supply Voltage (IOVDD)
1.8V
≤ IOVDD ≤ 4.5V
(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 ensured 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.
4
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Product Folder Links: LM49450


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