參數(shù)資料
型號(hào)： LM4857
廠商： National Semiconductor Corporation
英文描述： Stereo 1.2W Audio Sub-system with 3D Enhancement
中文描述： 1.2W的立體聲音頻子系統(tǒng)三維增強(qiáng)系統(tǒng)
文件頁數(shù)： 7/38頁
文件大?。?/td> 1517K
代理商： LM4857
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
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相關(guān)PDF資料
PDF描述
LM4857GR Stereo 1.2W Audio Sub-system with 3D Enhancement
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LM4857SP Stereo 1.2W Audio Sub-system with 3D Enhancement
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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
LM4857GR 功能描述:IC AUDIO SUBSYSTEM W/3D 49UBGA RoHS:否 類別:集成電路 (IC) >> 線性 - 音頻放大器 系列:Boomer® 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:DirectDrive® 類型:H 類 輸出類型:耳機(jī)，2-通道（立體聲） 在某負(fù)載時(shí)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(diǎn):I²C，麥克風(fēng)，靜音，短路保護(hù)，音量控制 安裝類型:表面貼裝 供應(yīng)商設(shè)備封裝:25-WLP（2.09x2.09） 封裝/外殼:25-WFBGA，WLCSP 包裝:帶卷 (TR)
LM4857ITL 制造商:Texas Instruments 功能描述:1.2W STEREO SUBSYST 3D SMD 4857
LM4857ITL/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(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
LM4857ITLBD 功能描述:BOARD EVALUATION LM4857ITL RoHS:否 類別:編程器，開發(fā)系統(tǒng) >> 評(píng)估板 - 音頻放大器 系列:Boomer® 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:1 系列:-
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