參數(shù)資料
型號: LM4854IBL
廠商: NATIONAL SEMICONDUCTOR CORP
元件分類: 音頻/視頻放大
英文描述: 1.9W Monaural, 85mW Stereo Headphone Audio Amplifier
中文描述: 0.2 W, 2 CHANNEL, AUDIO AMPLIFIER, PBGA12
封裝: MICRO, SMD-12
文件頁數(shù): 5/29頁
文件大?。?/td> 1440K
代理商: LM4854IBL
Absolute Maximum Ratings
3)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
(Notes 2,
Supply Voltage
Storage Temperature
Input Voltage
Power Dissipation(Note 4)
ESD Susceptibility (Note 5)
All pins except Pin C3 (IBL), Pin11
(LD/MT)
Pin C3 (IBL), Pin 11 (LD/MT)
ESD Susceptibility(Note 6)
Junction Temperature (T
J
)
Solder Information
Small Outline Package
Vapor Phase (60 sec.)
6.0V
65C to +150C
0.3V to V
DD
+ 0.3V
Internally Limited
2000V
8000V
200V
150C
215C
Infrared (15 sec.)
See AN-540 "Surface Mounting and
their Effects on Product Reliability"
for other methods of soldering
surface-mount devices.
Thermal Resistance
θ
JA
(typ)—BLA12BAB
θ
JC
(typ)—LDA14A
θ
JA
(typ)—LDA14A
θ
JC
(typ)—MTC14
θ
JA
(typ)—MTC14
220C
121C/W
3C/W
42C/W (Note 7)
40C/W
109C/W
Operating Ratings
(Note 3)
Temperature Range
T
MIN
T
A
T
MAX
Supply Voltage
40C
T
A
+85C
2.4V
V
DD
5.5V
Electrical Characteristics for Entire Amplifier (V
DD
= 5V)
The following specifications apply for circuit shown in Figure 1, unless otherwise specified. Limits apply for T
A
= 25C.
Symbol
Parameter
Conditions
LM4854
Units
(Limits)
Typical
(Note 8)
Limit
(Notes 9,
10)
12
15
35
I
DD
Quiescent Power Supply Current
V
IN
= 0V; I
O
= 0A, No Load
V
IN
= 0V; I
O
= 0A, 8
Load
V
STANDBY
= GND
5.0
6.5
27
mA max)
mA (max)
μA (max)
I
STBY
Standby Quiescent Power Supply
Current
Shutdown Quiescent Power
Supply Current
Output Offset Voltage
Power Supply Rejection Ratio
I
SD
V
SHUTDOWN
= GND
0.05
0.2
μA (max)
V
OS
PSRR
8
Load
C
BYPASS
= 1.0μF, R
SOURCE
= 10
V
RIPPLE
= 200mV
p-p
sinewave
BTL, R
L
= 8
, R
IN
= 10
f
IN
= 217Hz
f
IN
= 1kHz
SE, R
L
= 32
, R
IN
= 10
f
IN
= 217Hz
f
IN
= 1kHz
C
BYPASS
= 1.0μF
2.0
40
mV (max)
61
63
dB
dB
68
71
200
0.1
dB
dB
ms
t
RSH
t
RST
V
IH
Return-from-Shutdown Time
Return-from-Standby Time
Shutdown or Standby Logic High
Treshold
Shutdown or Standby Logic Low
Treshold
1.0
1.4
ms(max)
V (min)
V
IL
0.4
V (max)
L
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