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参数资料
| 型号： | LM4904ITLX/NOPB |
| 厂商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 1.07 W, 1 CHANNEL, AUDIO AMPLIFIER, PBGA8 |
| 封装： | MICRO SMD-8 |
| 文件页数： | 12/18页 |
| 文件大小： | 670K |
| 代理商： | LM4904ITLX/NOPB |
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 11)
6.0V
Storage Temperature
65C to +150C
Input Voltage
0.3V to V
DD +0.3V
Power Dissipation (Notes 3, 13)
Internally Limited
ESD Susceptibility (Note 4)
2000V
ESD Susceptibility (Note 5)
200V
Junction Temperature
150C
Thermal Resistance
θ
JA (micro SMD) (Note 12)
210C/W
Soldering Information
See AN-1112 "microSMD Wafers Level Chip Scale
Package."
Operating Ratings
Temperature Range
T
MIN
≤ T
A
≤ T
MAX
40C
≤ T
A
≤ 85C
Supply Voltage
2.0V
≤ V
DD
≤ 5.5V
Electrical Characteristics V
DD =5V
(Notes 1, 2)
The following specifications apply for the circuit shown in Figure 1, unless otherwise specified. Limits apply for T
A = 25C.
Symbol
Parameter
Conditions
LM4904
Units
(Limits)
Typical
Limit
(Notes 7, 9)
I
DD
Quiescent Power Supply Current
V
IN = 0V, Io = 0A, No Load
3
7
mA (max)
V
IN = 0V, Io = 0A, 8
Load
4
10
mA (max)
I
SD
Shutdown Current
V
0.1
2.0
A (max)
V
SDIH
Shutdown Voltage Input High
1.5
V (min)
V
SDIL
Shutdown Voltage Input Low
1.3
V (max)
V
OS
Output Offset Voltage
7
50
mV (max)
R
OUT
Resistor Output to GND (Note 10)
8.5
9.7
k
(max)
7.0
k
(min)
P
o
Output Power
THD = 1% (max);f=1kHz
1.07
0.9
W
T
WU
Wake-up time
100
mS (max)
THD+N
Total Harmonic Distortion+Noise
P
o = 0.5 Wrms; f = 1kHz
0.2
%
PSRR
Power Supply Rejection Ratio
V
ripple = 200mV sine p-p
Input terminated with 10
60 (f =
217Hz)
64 (f = 1kHz)
55
dB (min)
Electrical Characteristics V
DD =3V
(Notes 1, 2)
The following specifications apply for the circuit shown in Figure 1, unless otherwise specified. Limits apply for T
A = 25C.
Symbol
Parameter
Conditions
LM4904
Units
(Limits)
Typical
Limit
(Notes 7, 9)
I
DD
Quiescent Power Supply Current
V
IN = 0V, Io = 0A, No Load
2
7
mA (max)
V
IN = 0V, Io = 0A, 8
Load
3
9
mA (max)
I
SD
Shutdown Current
V
0.1
2.0
A (max)
V
SDIH
Shutdown Voltage Input High
1.1
V (min)
V
SDIL
Shutdown Voltage Input Low
0.9
V (max)
V
OS
Output Offset Voltage
7
50
mV (max)
R
OUT
Resistor Output to GND (Note 10)
8.5
9.7
k
(max)
7.0
k
(min)
P
o
Output Power (8
)
THD = 1% (max);f=1kHz
390
mW
(4
)
THD = 1% (max);f=1kHz
525
T
WU
Wake-up time
75
mS (max)
THD+N
Total Harmonic Distortion+Noise
P
o = 0.25 Wrms; f = 1kHz
0.1
%
PSRR
Power Supply Rejection Ratio
V
ripple = 200mV sine p-p
Input terminated with 10
62 (f =
217Hz)
68 (f = 1kHz)
55
dB (min)
LM4904
www.national.com
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LM4905 | 制造商:NSC 制造商全称:National Semiconductor 功能描述:1 Watt Audio Power Amplifier |
| LM4905LD | 制造商:Rochester Electronics LLC 功能描述: 制造商:Texas Instruments 功能描述: |
| LM4905LD/NOPB | 功能描述:IC AMP AUDIO PWR 1.07W MONO 8LLP RoHS:是 类别:集成电路 (IC) >> 线性 - 音頻放大器 系列:Boomer® 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:2,500 系列:DirectDrive® 类型:H 类 输出类型:耳机，2-通道（立体声） 在某负载时最大输出功率 x 通道数量:35mW x 2 @ 16 欧姆 电源电压:1.62 V ~ 1.98 V 特点:I²C，麦克风，静音，短路保护，音量控制 安装类型:表面贴装 供应商设备封装:25-WLP（2.09x2.09） 封装/外壳:25-WFBGA，WLCSP 包装:带卷 (TR) |
| LM4905LDX | 功能描述:IC AMP AUDIO PWR 1.07W MONO 8LLP RoHS:是 类别:集成电路 (IC) >> 线性 - 音頻放大器 系列:Boomer® 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:2,500 系列:DirectDrive® 类型:H 类 输出类型:耳机，2-通道（立体声） 在某负载时最大输出功率 x 通道数量:35mW x 2 @ 16 欧姆 电源电压:1.62 V ~ 1.98 V 特点:I²C，麦克风，静音，短路保护，音量控制 安装类型:表面贴装 供应商设备封装:25-WLP（2.09x2.09） 封装/外壳:25-WFBGA，WLCSP 包装:带卷 (TR) |
| LM4905LQ | 制造商:Texas Instruments 功能描述:AMP AUDIO POWER 1W SMD LLP-28 |
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