收藏本站
参数资料
型号： LM4990ITL/NOPB
厂商： NATIONAL SEMICONDUCTOR CORP
元件分类： 音频／视频放大
英文描述： 2 W, 1 CHANNEL, AUDIO AMPLIFIER, PBGA9
封装： MICRO SMD-9
文件页数： 14/19页
文件大小： 1124K
代理商： LM4990ITL/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, 12)
Internally Limited
ESD Susceptibility (Note 4)
2000V
ESD Susceptibility (Note 5)
200V
Junction Temperature
150C
Thermal Resistance
θ
JC (MSOP)
56C/W
θ
JA (MSOP)
190C/W
θ
JA (9 Bump micro SMD) (Note 15)
180C/W
θ
JA (LLP)
63C/W (Note 13)
θ
JC (LLP)
12C/W (Note 13)
Soldering Information
See AN-1187 "Leadless
Leadframe Package (LLP)."
Operating Ratings
Temperature Range
T
MIN
≤ T
A
≤ T
MAX
40C
≤ T
A
≤ 85C
Supply Voltage
2.2V
≤ 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
LM4990
Units
(Limits)
Typical
Limit
(Note 6)
(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
SD =VSD Mode (Note 8)
0.1
2.0
A (max)
V
SDIH
Shutdown Voltage Input High
V
SD MODE =VDD
1.5
V
SDIL
Shutdown Voltage Input Low
V
SD MODE =VDD
1.3
V
SDIH
Shutdown Voltage Input High
V
SD MODE = GND
1.5
V
SDIL
Shutdown Voltage Input Low
V
SD MODE = GND
1.3
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+N = 1% (max); f = 1kHz
1.25
0.9
W (min)
(4
) (Notes 13, 14)
THD+N = 1% (max); f = 1kHz
2
W
T
WU
Wake-up time
100
ms
THD+N+N Total Harmonic Distortion+Noise
P
o = 0.5Wrms; 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
LM4990
Units
(Limits)
Typical
Limit
(Note 6)
(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
SD =VSD Mode (Note 8)
0.1
2.0
A (max)
V
SDIH
Shutdown Voltage Input High
V
SD MODE =VDD
1.1
V
SDIL
Shutdown Voltage Input Low
V
SD MODE =VDD
0.9
V
SDIH
Shutdown Voltage Input High
V
SD MODE = GND
1.3
V
SDIL
Shutdown Voltage Input Low
V
SD MODE = GND
1.0
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)
LM4990
www.national.com
4
相关PDF资料
PDF描述
LM4990ITLX/NOPB 2 W, 1 CHANNEL, AUDIO AMPLIFIER, PBGA9
LM4995SDX/NOPB 1.25 W, 1 CHANNEL, AUDIO AMPLIFIER, DSO8
LM5007MMEP/NOPB SWITCHING REGULATOR, PDSO8
LM5007MMEP SWITCHING REGULATOR, PDSO8
LM5060MMX 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO10
相关代理商/技术参数
参数描述
LM4990ITLX 制造商:NSC 制造商全称:National Semiconductor 功能描述:2 Watt Audio Power Amplifier with Selectable Shutdown Logic Level
LM4990ITLX/NOPB 功能描述:音频放大器 RoHS:否 制造商:STMicroelectronics 产品:General Purpose Audio Amplifiers 输出类型:Digital 输出功率: THD + 噪声: 工作电源电压:3.3 V 电源电流: 最大功率耗散: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel
LM4990LD 功能描述:音频放大器 RoHS:否 制造商:STMicroelectronics 产品:General Purpose Audio Amplifiers 输出类型:Digital 输出功率: THD + 噪声: 工作电源电压:3.3 V 电源电流: 最大功率耗散: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel
LM4990LD/NOPB 功能描述:音频放大器 RoHS:否 制造商:STMicroelectronics 产品:General Purpose Audio Amplifiers 输出类型:Digital 输出功率: THD + 噪声: 工作电源电压:3.3 V 电源电流: 最大功率耗散: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel
LM4990LDX 功能描述:音频放大器 RoHS:否 制造商:STMicroelectronics 产品:General Purpose Audio Amplifiers 输出类型:Digital 输出功率: THD + 噪声: 工作电源电压:3.3 V 电源电流: 最大功率耗散: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel
发布紧急采购，3分钟左右您将得到回复。

采购需求

(若只采购一条型号，填写一行即可)

发布成功！您可以继续发布采购。也可以进入我的后台，查看报价

发布成功！您可以继续发布采购。也可以进入我的后台，查看报价

*型号 *数量 厂商 批号 封装
添加更多采购

我的联系方式

*
*
*