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參數(shù)資料
| 型號： | LM4856ITL/NOPB |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 1.1 W, 3 CHANNEL, AUDIO AMPLIFIER, PBGA18 |
| 封裝： | MICRO SMD-18 |
| 文件頁數(shù)： | 17/23頁 |
| 文件大小： | 1321K |
| 代理商： | LM4856ITL/NOPB |
Absolute Maximum Ratings (Note 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
ESD Susceptibility (Note 4)
2.0kV
ESD Machine model (Note 7)
200V
Junction Temperature (T
J)
150C
Solder Information (Note 1)
Vapor Phase (60 sec.)
215C
Infrared (15 sec.)
220C
Thermal Resistance
θ
JA (typ) - LQA24A
42C/W
θ
JC (typ) - LQA24A
3.0C/W
θ
JA (typ) - TLA18AAA
48C/W (Note 9)
θ
JC (typ) - TLA18AAA
23C/W (Note 9)
Operating Ratings (Note 3)
Temperature Range
40C to 85C
Supply Voltage V
DD
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, TA= 25C unless otherwise specified.
Symbol
Parameter
Conditions
LM4856
Units
(Limits)
Typical
Limits
(Notes 6,
I
DD
Supply Current
Output modes 1, 2, 3, 4, 5, 6, 7
V
IN = 0V; No loads
7.5
11
mA (max)
Output modes 1, 2, 3, 4, 5, 6, 7
V
IN = 0V; Loaded (Figure 1)
8.5
12
mA (max)
I
SD
Shutdown Current
Output mode 0
0.1
2.0
A (max)
V
OS
Output Offset Voltage
V
IN = 0V
5.0
40
mV (max)
P
O
Output Power
SPKR
OUT;RL =4
THD+N = 1%; f = 1kHz, LM4856LQ
1.5
W
SPKR
OUT;RL =8
THD+N = 1%; f = 1kHz
1.1
0.8
W (min)
R
OUT and LOUT;RL =32
THD+N = 0.5%; f = 1kHz
60
45
mW (min)
THD+N
Total Harmonic Distortion Plus
Noise
SPKR
OUT
f = 20Hz to 20kHz
P
OUT = 400mW; RL =8
0.5
%
R
OUT and LOUT
f = 20Hz to 20kHz
P
OUT = 15mW; RL =32
0.5
%
N
OUT
Output Noise
A-weighted (Note 10)
29
V
PSRR
Power Supply Rejection Ratio
SPKR
OUT
V
RIPPLE = 200mVPP; f = 217Hz,
C
B = 1.0F
All audio inputs terminated into 50
;
Output referred Gain (BTL) = 12dB
Output Mode 1, 3, 5, 7
58
54
dB (min)
Power Supply Rejection Ratio
R
OUTand LOUT
V
RIPPLE = 200mVPP; f = 217Hz
C
B = 1.0F
All audio inputs terminated into 50
;
Output referred Maximum gain setting
Output Mode 2, 3
68
59
dB (min)
Output Mode 4, 5
60
54
dB (min)
Output Mode 6, 7
56
51
dB (min)
V
IH
Logic High Input Voltage
0.7 x V
DD
V
DD
V (min)
V (max)
LM4856
www.national.com
3
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| LM4856LQ | 制造商:Texas Instruments 功能描述:1W MONO 100MW STEREO SUBSYST 4856 |
| LM4856LQ/NOPB | 功能描述:IC AMP AUDIO PWR 1.5W MONO 24LLP RoHS:是 類別:集成電路 (IC) >> 線性 - 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:2,500 系列:DirectDrive® 類型:H 類 輸出類型:耳機，2-通道（立體聲） 在某負載時最大輸出功率 x 通道數(shù)量:35mW x 2 @ 16 歐姆 電源電壓:1.62 V ~ 1.98 V 特點:I²C，麥克風，靜音，短路保護，音量控制 安裝類型:表面貼裝 供應商設備封裝:25-WLP（2.09x2.09） 封裝/外殼:25-WFBGA，WLCSP 包裝:帶卷 (TR) |
| LM4856LQBD | 功能描述:BOARD EVALUATION LM4856LQ 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:- |
| LM4857 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Stereo 1.2W Audio Sub-system with 3D Enhancement |
| LM4857_05 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Stereo 1.2W Audio Sub-system with 3D Enhancement |
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