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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： | 19/23页 |
| 文件大小： | 1244K |
| 代理商： | LM4883SQ/NOPB |
Electrical Characteristics (3V) (Notes 3, 7, 13)
The following specifications apply for V
DD = 3V unless otherwise noted. Limits apply for TA = 25C.
Symbol
Parameter
Conditions
LM4883
Units
(Limits)
Typical
Limit
I
DD
Quiescent Power Supply Current
V
4.5
mA
V
2.5
mA
I
SD
Shutdown Current
V
DD applied to the SHUTDOWN pin
0.01
A
V
IH
Headphone High Input Voltage
2.2
V
IL
Headphone Low Input Voltage
1.5
V
IHSD
Shutdown High Input Voltage
0.7V
DD
V (min)
V
ILSD
Shutdown Low Input Voltage
0.3V
DD
V (max)
T
WU
Turn On Time
1F Bypass Cap (C5)
140
ms
Electrical Characteristics for Bridged-Mode 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
V
OS
Output Offset Voltage
V
IN =0V
5
mV
P
O
Output Power (Note 11)
THD+N = 1%, f = 1kHz (Note 12)
LM4883SQ, R
L =3
.82
W
LM4883SQ, R
L =4
.70
W
LM4883SQ, R
L =8
.43
W
THD+N = 10%, f = 1kHz (Note 12)
LM4883SQ, R
L =3
1.0
W
LM4883SQ, R
L =4
.85
W
LM4883SQ, R
L =8
.53
W
THD+N
Total Harmonic Distortion+Noise
1kHz
LM4883SQ, R
L =4
,P
O = 280mW
0.1
%
LM4883SQ, R
L =8
,P
O = 200mW
0.05
%
PSRR
Power Supply Rejection Ratio
Input Floating, 217Hz
V
ripple = 200mVp-p
C
B = 1F, RL =8
90
dB
Input Floating, 1kHz
V
ripple = 200mVp-p
C
B = 1F, RL =8
80
dB
Input grounded, 217Hz
V
ripple = 200mVp-p
C
B = 1F, RL =8
65
dB
Input grounded, 1kHz
V
ripple = 200mVp-p
C
B = 1F, RL =8
73
dB
X
TALK
Channel Separation
f = 1kHz, C
B = 1.0F
85
dB
V
NO
Output Noise Voltage
1kHz, A-weighted
21
V
LM4883
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相关代理商/技术参数 |
参数描述 |
|---|---|
| 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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