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參數(shù)資料
| 型號： | LM4893 |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | 1.1 Watt Audio Power Amplifier |
| 中文描述： | 1.1瓦音頻功率放大器 |
| 文件頁數(shù)： | 3/22頁 |
| 文件大?。?/td> | 705K |
| 代理商： | LM4893 |
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 (Note 9)
Storage Temperature
Input Voltage
Power Dissipation (Note 3)
ESD Susceptibility (Note 4)
ESD Susceptibility (Note 5)
Junction Temperature
Thermal Resistance
6.0V
65C to +150C
0.3V to V
DD
+0.3V
Internally Limited
2000V
200V
150C
θ
JA
(TLA09AAA)
θ
JC
(MUB10A)
θ
JA
(MUB10A)
θ
JC
(M08A)
θ
JA
(M08A)
180C/W (Note 10)
56C/W
190C/W
35C/W
150C/W
Operating Ratings
Temperature Range
T
MIN
≤
T
A
≤
T
MAX
Supply Voltage
40C
≤
T
A
≤
85C
2.2V
≤
V
DD
≤
5.5V
Electrical Characteristics V
DD
= 5V
The following specifications apply for the circuit shown in Figure 1 unless otherwise specified. Limits apply for T
A
= 25C.
(Notes 1, 2)
Symbol
Parameter
Conditions
LM4893
Units
(Limits)
Typical
(Note 6)
5
0.1
5
1.1
0.1
68 (f = 1kHz)
62 (f =
217Hz)
Limit
(Notes 7, 8)
10
2.0
40
0.9
I
DD
I
SD
V
OS
P
o
THD+N
Quiescent Power Supply Current
Shutdown Current
Output Offset Voltage
Output Power
Total Harmonic Distortion+Noise
V
IN
= 0V, 8
BTL
V
shutdown
= GND
mA (max)
μA (max)
mV (max)
W (min)
%
THD = 1% (max); f = 1kHz
P
o
= 0.4Wrms; f = 1kHz
V
ripple
= 200mVsine p-p, C
B
=
1.0μF
Input terminated with 10
to
ground
PSRR
Power Supply Rejection Ratio
55
dB (min)
V
SDIH
V
SDIL
Shutdown High Input Voltage
Shutdown Low Input Voltage
1.4
0.4
V (min)
V (max)
N
OUT
Output Noise
A-Weighted; Measured across 8
BTL
Input terminated with 10
to
ground
26
μV
RMS
Electrical Characteristics V
DD
= 3.0V
The following specifications apply for the circuit shown in Figure 1 unless otherwise specified. Limits apply for T
A
= 25C.
(Notes 1, 2)
Symbol
Parameter
Conditions
LM4893
Units
(Limits)
Typical
(Note 6)
4.5
0.1
5
350
0.1
68 (f = 1kHz)
62 (f =
217Hz)
Limit
(Notes 7, 8)
9
2.0
40
320
I
DD
I
SD
V
OS
P
o
THD+N
Quiescent Power Supply Current
Shutdown Current
Output Offset Voltage
Output Power
Total Harmonic Distortion+Noise
V
IN
= 0V, 8
BTL
V
shutdown
= GND
mA (max)
μA (max)
mV (max)
mW
%
THD = 1% (max); f = 1kHz
P
o
= 0.15Wrms; f = 1kHz
V
ripple
= 200mVsine p-p, C
B
=
1.0μF
Input terminated with 10
to
ground
PSRR
Power Supply Rejection Ratio
55
dB (min)
V
SDIH
V
SDIL
Shutdown High Input Voltage
Shutdown Low Input Voltage
1.4
0.4
V (min)
V (max)
L
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| LM4893MM | 1.1 Watt Audio Power Amplifier |
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| LM4893ITL | 制造商:Texas Instruments 功能描述:AMP POWER AUDIO 1.1W SMD BUMP-9 |
| LM4893ITL/NOPB | 功能描述:IC AMP AUDIO PWR 1.1W MONO 9USMD 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) |
| LM4893ITLBD | 功能描述:BOARD EVALUATION LM4893ITL 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(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:1 系列:- |
| LM4893ITLX | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:1.1 Watt Audio Power Amplifier |
| LM4893MA | 制造商:Texas Instruments 功能描述:AMP, POWER AUDIO, 1.1W, SMD, SOIC8 |
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