參數(shù)資料
型號(hào)： LM4850MTX/NOPB
廠(chǎng)商： NATIONAL SEMICONDUCTOR CORP
元件分類(lèi)： 音頻／視頻放大
英文描述： 0.3 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO14
封裝： 4.40 MM, PLASTIC, TSSOP-14
文件頁(yè)數(shù)： 12/18頁(yè)
文件大小： 1273K
代理商： LM4850MTX/NOPB
Absolute Maximum Ratings (Note 3)
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
65C to +150C
ESD Susceptibility (Note 5)
3.5kV
ESD Machine model (Note 8)
250V
Junction Temperature (T
J)
150C
Solder Information (Note 2)
Small Outline Package
Vapor Phase (60 sec.)
215C
Infrared (15 sec.)
220C
Thermal Resistance
θ
JA (typ) — MUB10A
194C/W
θ
JC (typ) — MUB10A
52C/W
θ
JA (typ) — MTC14
150C/W
θ
JC (typ) — MTC14
40C/W
θ
JA (typ) — LDA14A (Note 10)
56C/W
θ
JC (typ) — LDA14A
4.3C/W
Operating Ratings (Note 3)
Temperature Range
40C
≤ to 85C
Supply Voltage V
DD
2.4V
≤ V
DD ≤ 5.5V
Note 2: See AN-450 ’Surface Mounting and their effects on Product Reliabil-
ity’ for other methods of soldering surface mount devices.
Electrical Characteristics (Notes 3, 9)
The following specifications apply for V
DD= 5.0V, TA= 25C unless otherwise specified.
Symbol
Parameter
Conditions
LM4850
Units
(Limits)
Typical
Limit
V
DD
Supply Voltage
2.4
V (min)
5.5
V (max)
I
DD
Supply Current
BTL Mode; V
IN = 0V; IO = 0A
2.4
7.0
mA
SE Mode; V
IN = 0V; IO = 0A
2.4
7.0
mA
I
SD
Shutdown Current
SD Mode
44
A
V
OS
Output Offset Voltage
BTL Mode; A
V =2
BTL OUT+ to BTL OUT
5.0
40
mV
P
O
Output Power
LM4850LD; BTL Mode; R
L =3
THD+N = 1% (Note 11)
1.9
W
LM4850LD; BTL Mode; R
L =4
THD+N = 1% (Note 11)
1.7
W
LM4850MT, MM; BTL Mode; R
L =4
THD+N = 1%
1.5
W
BTL Mode; R
L =8
THD+N = 1%
1.1
W
SE Mode; R
L =8
THD+N = 1%
300
mW
SE Mode; R
L =32
THD+N = 1%
95
mW
V
IH
Shutdown Input Voltage High
Is < 80A
2.0
V (min)
V
IL
Shutdown Input Voltage Low
Is > 0.5mA
0.8
V (max)
Crosstalk Channel Seperation
SE Mode, R
L =32; f = 1kHz
73
dB
Electrical Characteristics (Notes 3, 9)
The following specifications apply for V
DD= 3.3V, TA= 25C unless otherwise specified.
Symbol
Parameter
Conditions
LM4850
Units
(Limits)
Typical
Limit
I
DD
Supply Current
BTL Mode; V
IN = 0V; IO = 0A
2.0
mA
LM4850
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