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參數(shù)資料
| 型號： | LM4855LQ |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | Boomer AUDIO POWER AMPLIFIER Integrated Audio Amplifier System |
| 中文描述： | 1.5 W, 3 CHANNEL, AUDIO AMPLIFIER, QCC24 |
| 封裝： | LLP-24 |
| 文件頁數(shù)： | 3/24頁 |
| 文件大?。?/td> | 1116K |
| 代理商： | LM4855LQ |
Absolute Maximum Ratings
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
(Note 2)
Supply Voltage
Storage Temperature
ESD Susceptibility (Note 4)
ESD Machine model (Note 7)
Junction Temperature (T
J
)
Solder Information (Note 1)
Vapor Phase (60 sec.)
Infrared (15 sec.)
Thermal Resistance
6.0V
65C to +150C
2.0kV
200V
150C
215C
220C
θ
JA
(typ) - LQA24A
θ
JC
(typ) - LQA24A
θ
JA
(typ) - BLA18AAB
θ
JC
(typ) - BLA18AAB
θ
JA
(typ) - TLA18AAA
θ
JC
(typ) - TLA18AAA
42C/W
3.0C/W
48C/W (Note 9)
23C/W (Note 9)
48C/W (Note 9)
23C/W (Note 9)
Operating Ratings
(Note 3)
Temperature Range
Supply Voltage V
DD
40C to 85C
2.6V
≤
V
DD
≤
5.0V
Note 1:
See AN-450 "Surface Mounting and their effects on Product Reli-
ability" for other methods of soldering surface mount devices.
Electrical Characteristics
(Notes 3, 8)
The following specifications apply for V
DD
= 5.0V, T
A
= 25C unless otherwise specified.
Symbol
Parameter
Conditions
LM4855
Units
(Limits)
Typical
(Note 5)
Limits
(Note 6)
I
DD
Supply Current
Output mode 1
V
IN
= 0V; No loads
Output mode 1
V
IN
= 0V; Loaded (Fig.1)
Output modes 2, 3, 4, 5, 6, 7
V
IN
= 0V; No loads
Output modes 2, 3, 4, 5, 6, 7
V
IN
= 0V; Loaded (Fig. 1)
Output mode 0
V
IN
= 0V
SPKR
OUT
; R
L
= 4
THD+N = 1%; f = 1kHz, LM4855LQ
SPKR
OUT
; R
L
= 8
THD+N = 1%; f = 1kHz
R
OUT
and L
OUT
; R
L
= 32
THD+N = 0.5%; f = 1kHz
SPKR
OUT
f = 20Hz to 20kHZ
P
OUT
= 400mW; R
L
= 8
R
OUT
and L
OUT
f = 20Hz to 20kHZ
P
OUT
= 50mW; R
L
= 32
A-weighted (Note 10)
5.7
8
mA (max)
6.7
9
mA (max)
7.5
11
mA (max)
8.5
12
mA (max)
I
SD
V
OS
Shutdown Current
Output Offset Voltage
0.1
5.0
2.0
40
μA (max)
mV (max)
P
O
Output Power
1.5
W
1.1
0.8
W (min)
115
70
mW (min)
THD+N
Total Harmonic Distortion Plus
Noise
0.5
%
0.5
%
N
OUT
Output Noise
29
μV
L
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LM4855LQ/NOPB | 功能描述:音頻放大器 RoHS:否 制造商:STMicroelectronics 產(chǎn)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 |
| LM4855LQBD | 功能描述:BOARD EVALUATION LM4855LQ 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(chǎn)品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:1 系列:- |
| LM4855LQX/NOPB | 制造商:Texas Instruments 功能描述:Audio Amp Headphone/Speaker 1-CH Mono/2-CH Stereo 1.5W Class-AB 24-Pin LLP EP T/R |
| LM4856 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Integrated Audio Amplifier System |
| LM48560 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:High Voltage Class H Ceramic Speaker Driver with Automatic Level Control |
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