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參數(shù)資料
| 型號： | LM4857SP |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 消費家電 |
| 英文描述： | Stereo 1.2W Audio Sub-system with 3D Enhancement |
| 中文描述： | SPECIALTY CONSUMER CIRCUIT, QCC28 |
| 封裝： | LLP-28 |
| 文件頁數(shù)： | 7/38頁 |
| 文件大?。?/td> | 1517K |
| 代理商： | LM4857SP |
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Absolute Maximum Ratings
(Notes 1, 2)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Supply Voltage
Storage Temperature
Input Voltage
6.0V
65C to +150C
0.3V to V
DD
+0.3V
Power Dissipation (Note 3)
ESD Susceptibility (Note 4)
ESD Susceptibility (Note 5)
Junction Temperature (T
J
)
Thermal Resistance
Internally Limited
2000V
200V
150C
θ
JA
(TLA30CZA) (Note 10)
θ
JA
(SPA28A) (Note 12)
θ
JC
(SPA28A)
62C/W
42C/W
3C/W
Operating Ratings
Temperature Range
T
MIN
≤
T
A
≤
T
MAX
Supply Voltage
40C
≤
T
A
≤
+85C
2.7V
≤
V
DD
≤
5.5V
2.5V
≤
I
2
CV
DD
≤
5.5V
Audio Amplifier Electrical Characteristics V
DD
= 5.0V
(Notes 1, 2)
The following specifications apply for V
DD
= 5.0V, unless otherwise specified. Limits apply for T
A
= 25C.
Symbol
Parameter
Conditions
LM4857
Limits
(Notes
7, 8)
Units
(Limits)
Typical
(Note 6)
I
DD
Supply Current
V
IN
= 0V, No load;
LD5 = RD5 = 0 (Note 9)
Mode 1, 6, 11
Mode 4, 5, 9, 10, 14, 15
Mode 2, 3, 7, 8, 12, 13
Output mode 0 (Note 9)
LM4857SP
Speaker; THD+N = 1%;
f = 1kHz; 4
BTL
Speaker; THD+N = 1%;
f = 1kHz; 8
BTL
Headphone; THD+N = 1%;
f = 1kHz; 32
SE
Earpiece; THD+N = 1%;
f = 1kHz; 32
BTL, CD4 = 0
Earpiece; THD+N = 1%;
f = 1kHz; 32
BTL, CD4 = 1
LD5 = RD5 = 0
Speaker; P
O
= 400mW;
f = 1kHz; 8
BTL
Headphone; P
O
= 15mW;
f = 1kHz; 32
SE
Earpiece; P
O
= 15mW;
f = 1kHz; 32
BTL, CD4 = 0
Line Out, V
O
= 1V
RMS
;
f = 1kHz; 5k
SE
Speaker; LD5 = RD5 = 0
Earpiece; LD5 = RD5 = 0
6
5
13
0.2
9.5
8
21
3
mA (max)
mA (max)
mA (max)
μA (max)
I
SD
Shutdown Current
1.6
W
P
O
Output Power
1.2
0.9
W (min)
75
60
mW (min)
100
80
mW (min)
135
mW
THD+N
Total Harmonic Distortion Plus
Noise
0.05
%
0.04
%
0.05
%
0.009
%
V
OS
Offset Voltage
5
5
40
30
mV (max)
mV (max)
L
www.national.com
7
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相關代理商/技術參數(shù) |
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|---|---|
| LM4857SP/NOPB | 功能描述:音頻放大器 RoHS:否 制造商:STMicroelectronics 產品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| LM4857SPBD | 功能描述:BOARD EVALUATION LM4857SP RoHS:否 類別:編程器，開發(fā)系統(tǒng) >> 評估板 - 音頻放大器 系列:Boomer® 產品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:1 系列:- |
| LM4858 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Mono 1.5 W / Stereo 300mW Power Amplifier |
| LM48580 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:High Efficiency Class H, High Voltage, Haptic Piezo Actuator / Ceramic Speaker Driver |
| LM48580TL | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:High Efficiency Class H, High Voltage, Haptic Piezo Actuator / Ceramic Speaker Driver |
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