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参数资料
| 型号： | LM4883SQ/NOPB |
| 厂商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 0.4 W, 2 CHANNEL, AUDIO AMPLIFIER, QCC24 |
| 封装： | LLP-24 |
| 文件页数： | 20/23页 |
| 文件大小： | 1244K |
| 代理商： | LM4883SQ/NOPB |
Electrical Characteristics for Single-Ended Operation (3V) (Notes 3, 7, 13)
The following specifications apply for V
DD = 3V unless otherwise specified. Limits apply for TA = 25C.
Symbol
Parameter
Conditions
LM4883
Units
(Limits)
Typical
Limit
P
O
Output Power
THD+N = 0.5%,f=1 kHz, R
L =32
35
mW
THD+N = 1%,f=1 kHz, R
L =8
125
mW
THD+N = 10%,f=1 kHz, R
L =8
150
mW
THD+N
Total Harmonic Distortion+Noise
P
O = 35mW, 20Hz
≤ f ≤ 20kHz,
R
L =32
.015
%
PSRR
Power Supply Rejection Ratio
Input Floating, 217Hz
V
ripple = 200mVp-p
C
B = 1F, RL =8
71
dB
Input Floating, 1kHz
V
ripple = 200mVp-p
C
B = 1F, RL =8
79
dB
Input grounded, 217Hz
V
ripple = 200mVp-p
C
B = 1F, RL =32
65
dB
Input grounded, 1kHz
V
ripple = 200mVp-p
C
B = 1F, RL =32
72
dB
X
TALK
Channel Separation
f = 1kHz, C
B = 1.0F
80
dB
V
NO
Output Noise Voltage
1kHz, A-weighted
11
V
Note 3: 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 operates within the Operating Ratings. Specifications are not guaranteed for parameters where
no limit is given. The typical value however, is a good indication of device performance.
Note 4: The maximum power dissipation must be derated at elevated temperatures and is dictated by TJMAX, θ JA, and the ambient temperature TA. The maximum
allowable power dissipation is PDMAX =(TJMAX T A)/θJA. For the LM4883SQ, TJMAX = 150C.
Note 5: Human body model, 100 pF discharged through a 1.5 k
resistor.
Note 6: Machine model, 220 pF–240 pF discharged through all pins.
Note 7: All voltages are measured with respect to the ground (GND) pins, unless otherwise specified.
Note 8: Typicals are specified at 25C and represent the parametric norm.
Note 9: Datasheet min/max specification limits are guaranteed by design, test, or statistical analysis.
Note 10: The quiescent power supply current depends on the offset voltage when a practical load is connected to the amplifier.
Note 11: Output power is measured at the device terminals.
Note 12: When driving 3
or 4 loads and operating on a 5V supply, the LM4883SQ must be mounted to a circuit board that has a minimum of 2.5in2 of exposed,
uninterrupted copper area connected to the SQ package’s exposed DAP.
Note 13: All measurements taken from Applications Diagram (Figure 3).
LM4883
www.national.com
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相关代理商/技术参数 |
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|---|---|
| LM4883SQX/NOPB | 功能描述:IC AMP AUDIO PWR 3W STER 24LLP 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) |
| LM4884 | 制造商:NSC 制造商全称:National Semiconductor 功能描述:2.1W Differential Input, BTL Output Stereo Audio Amplifier with RF Suppression and Shutdown |
| LM4884A E WAF | 制造商:Texas Instruments 功能描述: |
| LM4884MH | 制造商:NSC 制造商全称:National Semiconductor 功能描述:2.1W Differential Input, BTL Output Stereo Audio Amplifier with RF Suppression and Shutdown |
| LM4884MH/NOPB | 功能描述:IC AMP AUDIO 2.6W STER 20TSSOP 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) |
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