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LM4873 bảng dữ liệu(PDF) 3 Page - National Semiconductor (TI)

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tên linh kiện LM4873
Giải thích chi tiết về linh kiện  Dual 2.1W Audio Amplifier Plus Stereo Headphone Function
PDF  19 Pages
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nhà sản xuất  NSC [National Semiconductor (TI)]
Trang chủ  http://www.national.com
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Absolute Maximum Ratings (Note 4)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Supply Voltage
6.0V
Storage Temperature
−65˚C to +150˚C
Input Voltage
−0.3V to V
DD +0.3V
Power Dissipation (Note 14)
Internally limited
ESD Susceptibility (Note 15)
2000V
ESD Susceptibility (Note 16)
200V
Junction Temperature
150˚C
Solder Information
Small Outline Package
Vapor Phase (60 sec.)
215˚C
Infrared (15 sec.)
220˚C
See AN-450 “Surface Mounting and their Effects on
Product Reliablilty” for other methods of soldering surface
mount devices.
Thermal Resistance
θ
JC (typ) — M16B
20˚C/W
θ
JA (typ) — M16B
80˚C/W
θ
JC (typ) — N16A
20˚C/W
θ
JA (typ) — N16A
63˚C/W
θ
JC (typ) — MTC20
20˚C/W
θ
JA (typ) — MTC20
80˚C/W
θ
JC (typ) — MXA20A
2˚C/W
θ
JA (typ) — MXA20A
41˚C/W (Note 5)
θ
JA (typ) — MXA20A
51˚C/W (Note 6)
θ
JA (typ) — MXA20A
90˚C/W (Note 7)
θ
JC (typ) — MXA28A
2˚C/W
θ
JA (typ) — MXA28A
41˚C/W (Note 8)
θ
JA (typ) — MXA28A
51˚C/W (Note 9)
θ
JA (typ) — MXA28A
90˚C/W (Note 10)
Operating Ratings
Temperature Range
T
MIN ≤ TA ≤ TMAX
−40˚C
≤ T
A ≤ 85˚C
Supply Voltage
2.0V
≤ V
DD ≤ 5.5V
Electrical Characteristics for Entire IC (Notes 3, 4)
The following specifications apply for V
DD= 5V unless otherwise noted. Limits apply for TA= 25˚C.
Symbol
Parameter
Conditions
LM4873
Units
(Limits)
Typical
Limit
(Note 17)
(Note 18)
V
DD
Supply Voltage
2
V (min)
5.5
V (max)
I
DD
Quiescent Power Supply Current
V
IN = 0V, IO = 0A (Note 19) , HP-IN = 0V
7.5
15
mA (max)
V
IN = 0V, IO = 0A (Note 19) , HP-IN = 4V
5.8
6
mA (min)
I
SD
Shutdown Current
V
PIN1 =VDD
0.7
2
µA (min)
V
IH
Headphone High Input Voltage
4
V (min)
V
IL
Headphone Low Input Voltage
0.8
V (max)
Electrical Characteristics for Bridged-Mode Operation (Notes 3, 4)
The following specifications apply for V
DD= 5V unless otherwise specified. Limits apply for TA= 25˚C.
Symbol
Parameter
Conditions
LM4873
Units
(Limits)
Typical
Limit
(Note
17)
(Note
18)
V
OS
Output Offset Voltage
V
IN = 0V
5
50
mV (max)
P
O
Output Power (Note 13)
THD = 1%, f = 1 kHz
LM4873MTE-1, R
L =3Ω (Note 11)
2.4
W
LM4873MTE, R
L =3Ω (Note 11)
2.2
W
LM4873MTE-1, R
L =4Ω (Note 12)
2.1
W
LM4873MTE, R
L =4Ω (Note 12)
1.9
W
LM4873, R
L =8Ω
1.1
1.0
W (min)
THD+N = 10%, f = 1 kHz
LM4873MTE-1, R
L =3Ω (Note 11)
3.0
W
LM4873MTE-1, R
L =4Ω (Note 12)
2.6
LM4873, R
L =8Ω
1.5
W
THD+N = 1%, f = 1 kHz, R
L =32Ω
0.34
W
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