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參數(shù)資料
| 型號： | LM4869MH/NOPB |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 2.6 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO20 |
| 封裝： | EXPOSED PAD, TSSOP-20 |
| 文件頁數(shù)： | 14/20頁 |
| 文件大?。?/td> | 836K |
| 代理商： | LM4869MH/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
Power Dissipation (Note 4)
Internally Limited
ESD Susceptibility (Note 5)
2000V
ESD Susceptibility (Note 6)
200V
Junction Temperature
150C
Soldering Information
Small Outline Package
Vapor Phase (60 sec.)
215C
Infrared (15 sec.)
220C
See AN-450 “Surface Mounting and their Effects on
Product Reliability” for other methods of soldering surface
mount devices.
Thermal Resistance
θ
JC (typ) MXA20A
2C/W
θ
JA (typ) MXA20A
47C/W (Note 7)
θ
JA (typ) MXA20A
27C/W (Note 8)
Operating Ratings
Temperature Range
T
MIN
≤ T
A
≤T
MAX
40C
≤ TA ≤ 85C
Supply Voltage
2.0 V
≤ V
DD
≤ 5.5V
Electrical Characteristics for LM4869 (Notes 2, 9)
The following specifications applies to the LM4869 when used in the circuit shown in Figure 1 and operating with V
DD =5Vand
A
V = 6dB, unless otherwise specified. Limits apply for TA = 25C.
Symbol
Parameter
Conditions
LM4869
Units
(Limits)
Typical
Limit
V
DD
Supply Voltage
2
5.5
V (min)
V (max)
I
DD
Quiescent Power Supply Current
V
IN = 0V, IO = 0A, RL = ∞
9.0
12.0
mA (max)
I
SD
Shutdown Current
V
shutdown = GND
0.1
1.0
A (max)
V
OS
Output Offset Voltage
7
50
mV (max)
PSRR
Output Supply Rejection Ratio
V
DD = 5V, VRIPPLE = 200mVP-P
sinewave, C
BYPASS = 0.47F,
R
L =8
62
dB
P
O
Output Power (Note 12)
THD+N = 1% (max), f = 1kHz (Note13)
R
L =4
R
L =8
1.9
1.2
1.0
W
W (min)
THD+N = 10% (max), f = 1kHz
(Note13)
R
L =4
R
L =8
2.6
1.5
W
THD+N
Total Harmonic Distortion + Noise
20Hz
≤ f ≤ 20kHz
R
L =4
,P
O =2W
R
L =8
,P
O =1W
0.3
%
S/N
Signal-to-Noise Ratio
f = 1kHz, C
BYPASS = 0.47F,
P
O = 1.1W, RL =8
97
dB
R
IN
Input Resistance
Pins 5, 7, 9, and 17
25
20
k
(min)
A
V
Gain Accuracy
R
L =8
Logic Low Applied to Pin 2
Logic Low Applied to Pin 3
6
5.70
6.30
dB (min)
dB (max)
Logic Low Applied to Pin 2
Logic High Applied to Pin 3
10
9.65
10.35
dB (min)
dB (max)
Logic High Applied to Pin 2
Logic Low Applied to Pin 3
15.6
15.25
15.95
dB (min)
dB (max)
Logic High Applied to Pin 2
Logic High Applied to Pin 3
21.6
21.25
21.95
dB (min)
dB (max)
LM4869
www.national.com
3
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| LM4869MHX/NOPB | 2.6 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO20 |
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| LM4870 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:1.1W Audio Power Amplifier with Shutdown Mode |
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