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| 型號： | LM4674TLX/NOPB |
| 廠商： | National Semiconductor |
| 文件頁數(shù)： | 23/27頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC AMP AUDIO PWR 2.5W D 16USMD |
| 產(chǎn)品培訓(xùn)模塊： | PowerWise® Products and Technology |
| 標(biāo)準(zhǔn)包裝： | 3,000 |
| 系列： | Boomer® |
| 類型： | D 類 |
| 輸出類型： | 2 通道（立體聲） |
| 在某負(fù)載時(shí)最大輸出功率 x 通道數(shù)量： | 2.5W x 2 @ 4 歐姆 |
| 電源電壓： | 2.4 V ~ 5.5 V |
| 特點(diǎn)： | 消除爆音，差分輸入，PWM，短路保護(hù)，關(guān)機(jī) |
| 安裝類型： | 表面貼裝 |
| 供應(yīng)商設(shè)備封裝： | 16-uSMD |
| 封裝/外殼： | 16-WFBGA |
| 包裝： | 帶卷 (TR) |
| 其它名稱： | LM4674TLX |
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SNAS344E – DECEMBER 2005 – REVISED APRIL 2013
ABSOLUTE MAXIMUM RATINGS
(1) (2)
Supply Voltage(1)
6.0V
Storage Temperature
65°C to +150°C
Input Voltage
–0.3V to VDD +0.3V
Power Dissipation(3)
Internally Limited
ESD Susceptibility, all other pins(4)
2000V
ESD Susceptibility(5)
200V
Junction Temperature (TJMAX)
150°C
Thermal Resistance
θJA (DSBGA)
45.7°C/W
θJA (WQFN)
38.9°C/W
(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 LM4674 see power derating currents for more information.
(4)
Human body model, 100pF discharged through a 1.5k
resistor.
(5)
Machine Model, 220pF–240pF discharged through all pins.
OPERATING RATINGS
(1) (2)
Temperature Range (TMIN ≤ TA ≤ TMAX)
40°C ≤ TA ≤ 85°C
Supply Voltage
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.
ELECTRICAL CHARACTERISTICS VDD = 3.6V
(1) (2)
The following specifications apply for AV = 6dB, RL = 15H + 8 + 15H, f = 1kHz unless otherwise specified. Limits apply for
TA = 25°C.
LM4674
Units
Symbol
Parameter
Conditions
(Limits)
Typical(3)
Limit(4)(5)
VOS
Differential Output Offset Voltage
VIN = 0, VDD = 2.4V to 5.0V
5
mV
VIN = 0, RL = ∞,
4
6
mA
Both channels active, VDD = 3.6V
IDD
Quiescent Power Supply Current
VIN = 0, RL = ∞,
5
7.5
mA
Both channels active, VDD = 5V
ISD
Shutdown Current
V SDR = V SDL = GND
0.03
1
μA
VSDIH
Shutdown Voltage Input High
1.4
V (min)
VSDIL
Shutdown Voltage Input Low
0.4
V (max)
TWU
Wake Up Time
V SDR/SDL = 0.4V
0.5
ms
(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 AOQL (Average Outgoing Quality Level).
(5)
Datasheet min/max specification limits are specified by design, test, or statistical analysis.
Copyright 2005–2013, Texas Instruments Incorporated
5
Product Folder Links: LM4674
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