參數(shù)資料
型號(hào)： LM4854MTX/NOPB
廠商： NATIONAL SEMICONDUCTOR CORP
元件分類： 音頻／視頻放大
英文描述： 0.2 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO14
封裝： TSSOP-14
文件頁數(shù)： 25/29頁
文件大小： 1440K
代理商： LM4854MTX/NOPB
Absolute Maximum Ratings (Notes 2,
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
Input Voltage
0.3V to V
DD + 0.3V
Internally Limited
ESD Susceptibility (Note 5)
All pins except Pin C3 (IBL), Pin11
(LD/MT)
2000V
Pin C3 (IBL), Pin 11 (LD/MT)
8000V
200V
Junction Temperature (T
J)
150C
Solder Information
Small Outline Package
Vapor Phase (60 sec.)
215C
Infrared (15 sec.)
220C
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
121C/W
θ
JC (typ) — LDA14A
3C/W
θ
JA (typ) — LDA14A
42C/W (Note 7)
θ
JC (typ) — MTC14
40C/W
θ
JA (typ) — MTC14
109C/W
Operating Ratings (Note 3)
Temperature Range
T
MIN
≤ T
A
≤ T
MAX
40C
≤ T
A
≤ +85C
Supply Voltage
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
Limit
(Notes 9,
I
DD
Quiescent Power Supply Current
V
IN = 0V; IO = 0A, No Load
5.0
12
mA max)
V
IN = 0V; IO = 0A, 8
Load
6.5
15
mA (max)
I
STBY
Standby Quiescent Power Supply
Current
V
STANDBY = GND
27
35
A (max)
I
SD
Shutdown Quiescent Power
Supply Current
V
SHUTDOWN = GND
0.05
0.2
A (max)
V
OS
Output Offset Voltage
8
Load
2.0
40
mV (max)
PSRR
Power Supply Rejection Ratio
C
BYPASS = 1.0F, RSOURCE =10
V
RIPPLE = 200mVp-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
61
63
dB
68
71
dB
t
RSH
Return-from-Shutdown Time
C
BYPASS = 1.0F
200
ms
t
RST
Return-from-Standby Time
0.1
1.0
ms(max)
V
IH
Shutdown or Standby Logic High
Treshold
1.4
V (min)
V
IL
Shutdown or Standby Logic Low
Treshold
0.4
V (max)
LM4854
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