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参数资料
| 型号： | LM4879IBPX/NOPB |
| 厂商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 1.1 W, 1 CHANNEL, AUDIO AMPLIFIER, PBGA8 |
| 封装： | MO-211BC, MICRO, SMD-8 |
| 文件页数： | 20/25页 |
| 文件大小： | 793K |
| 代理商： | LM4879IBPX/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 9)
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
JA (BPA08DDB)
220C/W (Note 10)
θ
JA (SDC08A)
64C/W (Note 12)
θ
JA (TLA09AAA)
180C/W (Note 10)
θ
JA (BLA09AAB)
180C/W (Note 10)
θ
JC (MUB10A)
56C/W
θ
JA (MUB10A)
190C/W
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
LM4879
Units
(Limits)
Typical
Limit
(Notes 7, 8)
I
DD
Quiescent Power Supply Current
V
IN = 0V, 8
BTL
5
10
mA (max)
I
SD
Shutdown Current
V
shutdown = GND
0.1
2.0
A (max)
V
OS
Output Offset Voltage
5
40
mV (max)
P
o
Output Power
THD+N = 1% (max); f = 1kHz
1.1
0.9
W (min)
THD+N
Total Harmonic Distortion+Noise
P
o = 0.4Wrms; f = 1kHz
0.1
%
PSRR
Power Supply Rejection Ratio
V
ripple = 200mVsine p-p, CB =
1.0F
Input terminated with 10
to
ground
68 (f = 1kHz)
62 (f =
217Hz)
55
dB (min)
V
SDIH
Shutdown High Input Voltage
1.4
V (min)
V
SDIL
Shutdown Low Input Voltage
0.4
V (max)
T
WU
Wake-up Time
C
B = 1.0F
80
110
ms (max)
N
OUT
Output Noise
A-Weighted; Measured across 8
BTL
Input terminated with 10
to
ground
26
V
RMS
Electrical Characteristics V
DD = 3.0V
(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
LM4879
Units
(Limits)
Typical
Limit
(Notes 7, 8)
I
DD
Quiescent Power Supply Current
V
IN = 0V, 8
BTL
4.5
9
mA (max)
I
SD
Shutdown Current
V
shutdown = GND
0.1
2.0
A (max)
V
OS
Output Offset Voltage
5
40
mV (max)
P
o
Output Power
THD+N = 1% (max); f = 1kHz
350
320
mW
THD+N
Total Harmonic Distortion+Noise
P
o = 0.15Wrms; f = 1kHz
0.1
%
PSRR
Power Supply Rejection Ratio
V
ripple = 200mVsine p-p, CB =
1.0F
Input terminated with 10
to
ground
68 (f = 1kHz)
62 (f =
217Hz)
55
dB (min)
V
SDIH
Shutdown High Input Voltage
1.4
V (min)
V
SDIL
Shutdown Low Input Voltage
0.4
V (max)
T
WU
Wake-up Time
C
B = 1.0F
80
110
ms (max)
LM4879
www.national.com
4
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| LM4879ITP | 功能描述:IC AMP AUDIO PWR 1.1W MONO 8USMD 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:D 类 输出类型:1-通道（单声道），带立体声耳机 在某负载时最大输出功率 x 通道数量:930mW x 1 @ 8 欧姆; 40mW x 2 @ 16 欧姆 电源电压:2.7 V ~ 5.5 V 特点:消除爆音，差分输入，I²C，静音，关闭，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) 其它名称:MAX97000EWA+T-ND |
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