參數(shù)資料
型號(hào)： LM4851LQ
廠商： NATIONAL SEMICONDUCTOR CORP
元件分類： 音頻／視頻放大
英文描述： Integrated Audio Amplifier System
中文描述： 1.5 W, 3 CHANNEL, AUDIO AMPLIFIER, QCC24
封裝： LLP-24
文件頁(yè)數(shù)： 3/22頁(yè)
文件大小： 1126K
代理商： LM4851LQ
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.)
6.0V
65C to +150C
2.0kV
200V
150C
215C
220C
Thermal Resistance
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 2, 8)
The following specifications apply for V
DD
= 5.0V, T
A
= 25C unless otherwise specified.
Symbol
Parameter
Conditions
LM4851
Units
(Limits)
Typical
(Note 5)
Limit
(Note 6)
I
DD
Supply Current
Output mode 7
V
IN
= 0V; I
O
= 0A
Output modes 1, 2, 3, 4, 5, 6
V
IN
= 0V; I
O
= 0A
Output mode 0
V
IN
= 0V
SPKR
OUT
; R
L
= 4
THD+N = 1%; f = 1kHz
LM4851LQ
SPKR
OUT
; R
L
= 8
THD+N = 1%; f = 1kHz
R
OUT
and L
OUT
; R
L
= 32
THD+N = 0.5%; f = 1kHz
R
OUT
and L
OUT
; f = 1kHz
P
OUT
= 80mW; R
L
= 32
SPKR
OUT
; f = 1kHz
P
OUT
= 800mW; R
L
= 8
R
OUT
and L
OUT
; f = 20Hz to 20kHz
P
OUT
= 100mW; R
L
= 32
SPKR
OUT
; f = 20Hz to 20kHz
P
OUT
= 1W; R
L
= 4
LM4851LQ
SPKR
OUT
; f = 20Hz to 20kHz
P
OUT
= 800mW; R
L
= 8
A-weighted (Note 10)
V
RIPPLE
= 200mV
PP
; f = 217Hz
Input floating; Input referred
V
RIPPLE
= 200mV
PP
; f = 217Hz
Input terminated into 50
; Output referred
7.5
14
mA (max)
5.0
9.0
mA (max)
I
DD
V
OS
Shutdown Current
Output Offset Voltage
0.1
5.0
1.5
2
50
μA (max)
mV (max)
W
P
O
Output Power
1.1
0.8
W (min)
115
80
mW (min)
THD+N
Total Harmonic Distortion Plus
Noise
0.5
% (max)
1.0
% (max)
0.3
%
0.3
%
0.3
%
N
OUT
PSRR
Output Noise
Power Supply Rejection Ratio
29
70
μV
dB
62
dB
V
IH
Logic High Input Voltage
1.4
5.0
0.4
V (min)
V (max)
V (max)
V
IL
Logic Low Input Voltage
L
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參數(shù)描述
LM4851LQ/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(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)
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LM48520TL/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
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