參數(shù)資料
型號: LM1875
廠商: 友順科技股份有限公司
英文描述: 20W AUDIO POWER AMPLIFIER
中文描述: 20瓦音頻功率放大器
文件頁數(shù): 4/6頁
文件大小: 150K
代理商: LM1875
UTC LM1875
LINEAR INTEGRATED CIRCUIT
UTC UNISONIC TECHNOLOGIES CO. LTD
4
QW-R107-019,B
TYPICAL PERFORMANCE CHARACTERISTICS
40
Device Dissipation vs Ambient Temperature
D
EVICE
D
ISSIP
A
T
IO
N
(W)
80
20
60
100
0
40
45
TA - AMBIENT TEMPERATURE(℃)
35
30
25
20
15
10
5
0
120 140 160
INFINITE HEAT SINK
1℃/W HEAT SINK
2℃/W
HEAT SINK
5℃/W
HEAT SINK
10℃/W HEAT SINK
INTERFACE=1℃/W
See Application Hints.
20
100
PSRR vs Frequency
PS
RR
(dB)
500
50
200
1K
0
90
100
FREQUENCY(Hz)
80
70
60
50
40
30
20
10
2K 5K10K 20K
RS=0
RL=4
1 Vrms
POSITIVE SUPPLY
NEGATIVE SUPPLY
INPUT REFERRED
0.1
THD vs Power Output
T
O
T
A
LHA
RM
ONI
C
DI
ST
O
R
T
ION(
%
)
1.0
0.01
0.1
POWER OUTPUT(W)
1.0
10
100
20
100
THD vs Supply Voltage
T
HD(
%
)
500
50
200
1K
0
0.09
0.1
FREQUENCY(Hz)
0.08
0.07
0.06
0.05
0.04
0.03
0.02
0.01
2K
5K 10K 20K
Vs=+25V
PD=10W
RL=4Ω
RL=8Ω
010
20
Power Output vs Supply Voltage
PO
W
E
O
U
TPU
T
(W)
15
5
20
25
0
25
30
35
RL=8Ω
THD=1%
10
5
30
SUPPLY VOLTAGE(+V)
010
60
Supply Current vs Supply Voltage
S
U
P
LY
CURRE
NT
(m
A)
15
5
20
25
0
80
100
40
20
30
SUPPLY VOLTAGE(±V)
相關(guān)PDF資料
PDF描述
LM2141N 1 ELEMENT, 0.275 uH, AIR-CORE, GENERAL PURPOSE INDUCTOR
LM214BN 1 ELEMENT, 0.33 uH, AIR-CORE, GENERAL PURPOSE INDUCTOR
LM217AN 1 ELEMENT, 0.49 uH, AIR-CORE, GENERAL PURPOSE INDUCTOR
LM219AC 1 ELEMENT, 1.6 uH, GENERAL PURPOSE INDUCTOR
LM204AN 1 ELEMENT, 0.049 uH, AIR-CORE, GENERAL PURPOSE INDUCTOR
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LM1875_05 制造商:UTC-IC 制造商全稱:UTC-IC 功能描述:20W AUDIO POWER AMPLIFIER
LM1875L-TA5-T 制造商:UTC-IC 制造商全稱:UTC-IC 功能描述:20W AUDIO POWER AMPLIFIER
LM1875L-TB5-T 制造商:UTC-IC 制造商全稱:UTC-IC 功能描述:20W AUDIO POWER AMPLIFIER
LM1875T 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
LM1875T 制造商:National Semiconductor Corporation 功能描述:LM1875T 20W Audio Amplifier IC