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LM4670SD bảng dữ liệu(PDF) 3 Page - Texas Instruments

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LM4670
www.ti.com
SNAS240C – DECEMBER 2004 – REVISED MAY 2013
Absolute Maximum Ratings
(1) (2)
Supply Voltage(1)
6.0V
Storage Temperature
−65°C to +150°C
Voltage at Any Input Pin
VDD + 0.3V ≥ V ≥ GND - 0.3V
Power Dissipation(3)
Internally Limited
ESD Susceptibility(4)
2.0kV
ESD Susceptibility(5)
200V
Junction Temperature (TJMAX)
150°C
θJA (DSBGA)
220°C/W
Thermal Resistance
θJA (WSON)
73°C/W
Soldering Information
See AN-1112 (SNVA009) "DSBGA Wafers Level Chip Scale Package."
(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)
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. For the LM4670, TJMAX = 150°C. The typical θJA is 220°C/W for the DSBGA package and 64°C/W for the WSON package.
(4)
Human body model, 100pF discharged through a 1.5k
Ω resistor.
(5)
Machine Model, 220pF – 240pF discharged through all pins.
Operating Ratings
(1) (2)
TMIN ≤ TA ≤ TMAX
−40°C ≤ TA ≤ 85°C
Temperature Range
Supply Voltage(3)
2.4V
≤ VDD ≤ 5.5V
(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)
The maximum operating voltage for the LM4670 in the SDA (WSON) package when driving 4
Ω loads to greater than 10% THD+N is
5.0V.
Copyright © 2004–2013, Texas Instruments Incorporated
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