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参数资料
| 型号： | LM4915LQ/NOPB |
| 厂商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 0.4 W, 1 CHANNEL, AUDIO AMPLIFIER, QCC8 |
| 封装： | LLP-8 |
| 文件页数： | 5/11页 |
| 文件大小： | 516K |
| 代理商： | LM4915LQ/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
6.0V
Storage Temperature
65C to +150C
Input Voltage
-0.3V to V
DD + 0.3V
Power Dissipation (Note 3)
Internally Limited
ESD Susceptibility (Note 4)
2000V
ESD Susceptibility (Note 5)
200V
Junction Temperature
150C
Thermal Resistance
θ
JC (LQ)
57C/W
θ
JA (LQ)
140C/W
Operating Ratings
Temperature Range
T
MIN
≤ T
A
≤ T
MAX
40C
≤ T
A
≤ +85C
Supply Voltage (V
DD)
2.2V
≤ V
CC
≤ 5.5V
Electrical Characteristics V
The following specifications apply for V
DD = 5V, RL =16
unless otherwise specified. Limits apply to T
A = 25C.
Symbol
Parameter
Conditions
LM4915
Units
(Limits)
Typ
Limit
I
DD
Quiescent Power Supply Current
V
IN = 0V, IO = 0A
2
3.5
mA (max)
I
SD
Shutdown Current
V
SHUTDOWN = GND
0.1
Note 9
A(max)
V
SDIH
Shutdown Voltage Input High
1.8
V
SDIL
Shutdown Voltage Input Low
0.4
V
P
O
Output Power
THD = 1% (max); f = 1kHz
R
L =16
R
L =32
400
280
375
250
mW
V
NO
Output Noise Voltage
BW = 20Hz to 20kHz, A-weighted
20
V
PSRR
Power Supply Rejection Ratio
V
RIPPLE = 200mV sine p-p
75
dB
V
OS
Output Offset Voltage
V
IN = 0V
2
20
mV (max)
Electrical Characteristics V
The following specifications apply for V
DD = 3.0V, RL =16
unless otherwise specified. Limits apply to T
A = 25C.
Symbol
Parameter
Conditions
LM4915
Units
(Limits)
Typ
Limit
I
DD
Quiescent Power Supply Current
V
IN = 0V, IO = 0A
1.5
2.5
mA (max)
I
SD
Shutdown Current
V
SHUTDOWN = GND
0.1
Note 9
A(max)
V
SDIH
Shutdown Voltage Input High
1.8
V
SDIL
Shutdown Voltage Input Low
0.4
V
P
O
Output Power
THD = 1% (max); f = 1kHz
R
L =16
R
L =32
125
90
100
80
mW (min)
V
NO
Output Noise Voltage
BW = 20Hz to 20kHz, A-weighted
20
V
PSRR
Power Supply Rejection Ratio
V
RIPPLE = 200mV sine p-p
70
dB
V
OS
Output Offset Voltage
V
IN = 0V
2
20
mV (max)
Note 1: All voltages are measured with respect to the GND pin unless otherwise specified.
Note 2: Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for which the device is
functional but do not guarantee specific performance limits. Electrical Characteristics state DC and AC electrical specifications under particular test conditions which
guarantee specific performance limits. This assumes that the device is within the Operating Ratings. Specifications are not guaranteed for parameters where no limit
is given, however, the typical value is a good indication of device performance.
Note 3: The maximum power dissipation must be derated at elevated temperatures and is dictated by TJMAX, θJA, and the ambient temperature, TA. The maximum
allowable power dissipation is PDMAX =(TJMAX -TA)/ θJA or the number given in Absolute Maximum Ratings, whichever is lower. For the LM4915, see power derating
curves for more information.
Note 4: Human body model, 100pF discharged through a 1.5k
resistor.
Note 5: Machine Model, 220pF-240pF discharged through all pins.
Note 6: Typicals are measured at 25C and represent the parametric norm.
Note 7: Limits are guaranteed to National’s AOQL (Average Outgoing Quality Level).
Note 8: Datasheet min/max specifications are guaranteed by design, test, or statistical analysis.
LM4915
www.national.com
3
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LM4915LQX | 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 |
| LM4915LQX/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 |
| LM4916 | 制造商:NSC 制造商全称:National Semiconductor 功能描述:1.5V, Mono 85mW BTL Output, 14mW Stereo Headphone Audio Amplifier |
| LM4916LD | 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 |
| LM4916LD/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 |
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