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參數(shù)資料
| 型號(hào)： | LM4817MH/NOPB |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 1.5 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO28 |
| 封裝： | 4.40 MM, TSSOP-28 |
| 文件頁數(shù)： | 15/21頁 |
| 文件大小： | 1119K |
| 代理商： | LM4817MH/NOPB |
Absolute Maximum Ratings
Stereo Amplifier(Notes 1, 5)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Amplifier Supply Voltage (pins 5, 24)
6.0V
LDO-V
CC, LDO-OUT, LDO-SHDN,
ADJ, CC, FAULT (pins 11-15, 17,19)
0.3V to 6.5V
Fault Sink Current
20mA
Storage Temperature
65C to +150C
Input Voltage
0.3V to V
DD +0.3V
Power Dissipation (Note 2)
Internally limited
2000V
ESD Susceptibility (Note 4)
200V
Junction Temperature
150C
Solder Information
Small Outline Package
Vapor Phase (60 sec.)
215C
Infrared (15 sec.)
220C
See AN-450 “Surface Mounting and their Effects on
Product Reliablilty” for other methods of soldering
surface mount devices.
Thermal Resistance
θ
JC (typ) — MXA28A
20C/W
θ
JA (typ) — MXA28A (Note 2)
41C/W
Operating Ratings
Temperature Range
T
MIN
≤ T
A
≤ T
MAX
40C
≤ T
A
≤ 85C
Supply Voltage
Pins 5, 24
3.0V
≤ V
DD
≤ 5.5V
Pin 17
2.5V
≤ V
CC
≤ 6.0V
Stereo Amplifier Electrical Characteristics for Entire IC (Notes 1, 5)
The following specifications apply for V
DD = 5V unless otherwise noted. Limits apply for TA = 25C.
Symbol
Parameter
Conditions
LM4817
Units
(Limits)
Typical
Limit
V
DD
Supply Voltage
3
V (min)
5.5
V (max)
I
DD
Quiescent Power Supply Current
V
IN = 0V, IO = 0A (Note 8)
8
15
5
mA (max)
mA (min)
I
SD
Shutdown Current
V
DD applied to the SHUTDOWN pin
0.07
2
A (min)
V
IH
Shutdown Logic High Input
Threshold Voltage
2.7
V (min)
V
IL
Shutdown Logic Low Input
Threshold Voltage
1.8
V (max)
V
OS
Output Offset Voltage
V
IN = 0V
5
50
mV (max)
P
O
Output Power (Note 9)
THD+N = 1%, f = 1kHz, R
L =8
1.1
1.0
W (min)
THD+N = 10%, f = 1kHz, R
L =8
1.5
W
THD+N
Total Harmonic Distortion+Noise
20Hz
≤ f ≤ 20kHz, A
VD =2
R
L =8
,P
O =1W
0.13
%
V
LIM
Limiter Clamp Voltage
V
LIM = 1.0V, RL = ∞,VIN =4VP-P
V
O P-P =(VOUT+ -VOUT-)
6.0
5.2
6.8
V
P-P (min)
V
P-P (max)
PSRR
Power Supply Rejection Ratio
V
DD = 5V, VRIPPLE = 200mVRMS,
R
L =8
,C
B = 1.0, fIN = 1kHz
Inputs Floating
Inputs terminated with 10
67
45
dB
X
TALK
Channel Separation
f = 1kHz, C
B = 1.0F
90
dB
SNR
Signal To Noise Ratio
V
DD = 5V, PO = 1W, RL =8
98
dB
LM4817
www.national.com
3
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