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参数资料
| 型号： | LM4850LDX/NOPB |
| 厂商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 0.3 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO14 |
| 封装： | 0.118 INCH, 0.80 MM PITCH, LLP-14 |
| 文件页数： | 15/20页 |
| 文件大小： | 1112K |
| 代理商： | LM4850LDX/NOPB |
Electrical Characteristics (Notes 3, 9) (Continued)
The following specifications apply for V
DD= 3.3V, TA= 25C unless otherwise specified.
Symbol
Parameter
Conditions
LM4850
Units
(Limits)
Typical
Limit
SE Mode; V
IN = 0V; IO = 0A
2.0
mA
I
SD
Shutdown Current
SD Mode
30
A
V
OS
Output Offset Voltage
BTL Mode; A
V =2
BTL OUT+ to BTL OUT
5.0
40
mV
P
O
Output Power
BTL Mode; R
L =8
THD+N = 1%
440
mW
SE Mode; R
L =32
THD+N = 1%
40
mW
V
IH
Shutdown Input Voltage High
Is < 80A
2.0
V (min)
V
IL
Shutdown Input Voltage Low
Is > 0.5mA
0.8
V (max)
Electrical Characteristics(Notes 3, 9)
The following specifications apply for V
DD= 2.7V, TA= 25C unless otherwise specified.
Symbol
Parameter
Conditions
LM4850
Units
(Limits)
Typical
Limit
I
DD
Supply Current
BTL Mode; V
IN = 0V; IO = 0A
1.8
mA
SE Mode; V
IN = 0V; IO = 0A
1.8
mA
I
SD
Shutdown Current
SD Mode
25
A
V
OS
Output Offset Voltage
BTL Mode; A
V =2
BTL OUT+ to BTL OUT
5.0
40
mV
P
O
Output Power
BTL Mode; R
L =8
THD+N = 1%
300
mW
SE Mode; R
L =32
THD+N = 1%
25
mW
V
IH
Shutdown Input Voltage High
Is < 80 A
2.0
V (min)
V
IL
Shutdown Input Voltage Low
Is > 0.5mA
0.8
V (max)
Note 3: Absolute Maximum Rating indicate limits beyond which damage to the device may occur.
Note 4: Operating Ratings indicate conditions for which the device is functional, but do not guarantee specific performance limits. For guaranteed specifications and
test conditions, see the Electrical Characteristics. The guaranteed specifications apply only for the test conditions listed. Some performance characteristics may
degrade when the device is not operated under the listed test conditions.
Note 5: Human body model, 100pF discharged through a 1.5k
resistor.
Note 6: Typical specifications are specified at +25C and represent the most likely parametric norm.
Note 7: Datasheet min/max specification limits are guaranteed by design, test, or statistical analysis.
Note 8: Machine Model ESD test is covered by specification EIAJ IC-121-1981. A 200pF cap is charged to the specified voltage, then discharged directly into the
IC with no external series resistor (resistance of discharge path must be under 50
).
Note 9: All voltages are measured with respect to the ground pin, unless otherwise specified.
Note 10: The given
θJA is for a LM4850LD with the Exposed-DAP soldered to an exposed 1in2 area of 1oz printed circuit board copper.
Note 11: When driving 3
or 4 loads from a 5V supply, the LM4850 must be mounted to a circuit board.
Note 12: Limits are guaranteed to National’s AOQL ( Average Outgoing Quality Level ).
External Components Description
(Refer to Figure 1.)
Components
Functional Description
1.
R
i
Inverting input resistance which sets the closed-loop gain in conjunction with R
f. This resistor also forms a
high pass filter with C
i at fc = 1/(2
πR
iCi).
LM4850
www.national.com
4
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相关代理商/技术参数 |
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|---|---|
| LM4850MM | 制造商:NSC 制造商全称:National Semiconductor 功能描述:Mono 1.5 W / Stereo 300 mW Power Amplifier |
| LM4850MM/NOPB | 功能描述:IC AMP AUDIO PWR 1.9W AB 10MSOP 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) |
| LM4850MMX | 功能描述:IC AMP AUDIO PWR 1.9W AB 10MSOP 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) |
| LM4850MMX/NOPB | 制造商:Texas Instruments 功能描述:Audio Amp Headphone/Speaker 1-CH Mono/2-CH Stereo 1.5W Class-AB 10-Pin MSOP T/R |
| LM4850MT | 制造商:NSC 制造商全称:National Semiconductor 功能描述:Mono 1.5 W / Stereo 300 mW Power Amplifier |
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