參數(shù)資料
型號: LM4854IBL
廠商: NATIONAL SEMICONDUCTOR CORP
元件分類: 音頻/視頻放大
英文描述: 1.9W Monaural, 85mW Stereo Headphone Audio Amplifier
中文描述: 0.2 W, 2 CHANNEL, AUDIO AMPLIFIER, PBGA12
封裝: MICRO, SMD-12
文件頁數(shù): 6/29頁
文件大?。?/td> 1440K
代理商: LM4854IBL
Electrical Characteristics Bridged-Mode Operation (V
DD
= 5V)
The following specifications apply for for the circuit shown in Figure 1 and a measurement bandwith of 20Hz to 80kHz, unless
otherwise specified. Limits apply for T
A
= 25C.
Symbol
Parameter
Conditions
LM4854
Units
(Limits)
Typical
(Note 8)
Limit
(Notes 9,
10)
P
O
Output Power (Note 11)
THD = 1% (max); f = 1kHz (Note12)
R
L
= 3.2
(LM4854LD)
R
L
= 4
(LM4854LD)
R
L
= 8
THD = 10% (max); f = 1kHz (Note12)
R
L
= 3.2
(LM4854LD)
R
L
= 4
(LM4854LD)
R
L
= 8
20Hz
f
IN
20kHz
R
L
= 4
, P
O
= 1.0W (LM4854LD)
R
L
= 8
, P
O
= 400mW
f
IN
= 1kHz
R
L
= 4
, P
O
= 1.5W (LM4854LD)
R
L
= 8
, P
O
= 50mW
f
IN
= 1kHz, C
BYPASS
= 1.0μF
P
O
= 900mW, R
L
= 8
1.9
1.7
1.1
1.0
W
W
W (min)
2.3
2.1
1.3
W
W
W
THD+N
Total Harmonic Distortion+Noise
0.3
0.18
%
%
0.1
0.08
%
%
S/N
Signal-to-Noise Ratio
90
dB
Electrical Characteristics : SE Operation (V
DD
= 5V)
The following specifications apply for for the circuit shown in Figure 1 and a measurement bandwith of 20Hz to 80kHz, unless
otherwise specified. Limits apply for T
A
= 25C.
Symbol
Parameter
Conditions
LM4854
Units
(Limits)
Typical
(Note 8)
Limit
(Notes 9,
10)
85
P
O
Output Power (Note 11)
THD+N = 1.0%, f = 1kHz, R
L
= 32
THD+N = 10%, f = 1kHz, R
L
= 32
THD+N = 1.0%, f = 1kHz, R
L
= 16
THD+N = 10%, f = 1kHz, R
L
= 16
20Hz
f
IN
20kHz
R
L
= 32
, P
O
= 50mW
THD = 1.0%, R
L
= 5k
f
IN
= 1kHz, C
BYPASS
= 1.0μF, R
L
= 32
f
IN
= 1kHz, C
BYPASS
= 1.0μF
P
O
= 50mW, R
L
= 32
93
105
170
200
140
mW(min)
mW
mW(min)
mW
THD+N
Total Harmonic Distortion+Noise
0.3
4.0
55
%
VOUT
XTALK
S/N
Output Voltage Swing
Channel Separation
Signal-to-Noise Ratio
V
P-P
dB
90
dB
Electrical Characteristics for Entire Amplifier (V
DD
= 3.0V)
The following specifications apply for circuit shown in Figure 1, unless otherwise specified. Limits apply for T
A
= 25C.
Symbol
Parameter
Conditions
LM4854
Units
(Limits)
Typical
(Note 8)
Limit
(Notes 9,
10)
10
20.0
I
DD
I
STBY
Quiescent Power Supply Current
Standby Quiescent Power Supply
Current
Shutdown Current
Output Offset Voltage
V
IN
= 0V, I
O
= 0A, 8
Load
V
STANDBY
= GND
4.0
16.0
mA (max)
μA (max)
I
SD
V
OS
V
SHUTDOWN
= GND
8
Load
0.005
2.0
0.02
40
μA (max)
mV (max)
L
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參數(shù)描述
LM4854IBL/NOPB 功能描述:IC AMP AUDIO PWR 2.3W AB 12USMD 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(shè)備封裝:25-WLP(2.09x2.09) 封裝/外殼:25-WFBGA,WLCSP 包裝:帶卷 (TR)
LM4854LD 制造商:未知廠家 制造商全稱:未知廠家 功能描述:AUDIO AMPLIFIER|DUAL|LLCC|14PIN|CERAMIC
LM4854LD/NOPB 功能描述:IC AMP AUDIO PWR 2.3W MONO 14LLP 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(shè)備封裝:25-WLP(2.09x2.09) 封裝/外殼:25-WFBGA,WLCSP 包裝:帶卷 (TR)
LM4854MM 制造商:未知廠家 制造商全稱:未知廠家 功能描述:AUDIO AMPLIFIER|DUAL|TSSOP|10PIN|PLASTIC
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