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参数资料
| 型号： | LM4913MH/NOPB |
| 厂商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 0.09 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO10 |
| 封装： | TSSOP-10 |
| 文件页数： | 1/18页 |
| 文件大小： | 1078K |
| 代理商： | LM4913MH/NOPB |
April 21, 2008
LM4913
2W Monaural, 90mW Stereo Headphone Audio Amplifier
General Description
The unity-gain stable LM4913 is both a mono differential out-
put (for bridge-tied loads, or BTL) audio power amplifier and
a single-ended (SE) stereo headphone amplifier. Operating
on a single 5V supply, the mono BTL mode delivers 2W (typ)
to a 4
load (Note 1) at 0.3% THD+N. In SE stereo mode, the
amplifier will deliver 90mW to 32
loads. The LM4913 fea-
tures circuitry that suppresses output transients ("clicks and
pops").
The LM4913 is designed for notebook and other handheld
portable applications. It delivers high quality output power
from a surface-mount package and requires few external
components. The LM4913 is pin and functionally compatible
with the TPA0213.
Other features include an active-low micro-power shutdown
mode and thermal shutdown protection.
The LM4913 is available in a space efficient 10-lead exposed-
DAP TSSOP package.
Note 1:
When operating on a 5V
DC supply, an LM4913MH that has been
properly mounted to a circuit board will deliver 2W into 4
. See the
Application Information sections for further information concerning PCB
layout suggestions to maximize the LM4913MH's output power with a 4
load.
Key Specifications
■BTL output power (R
L = 4)
V
DD = at 3.0V, THD = 1%
V
DD = at 5.0V, THD = 0.3%
660mW (typ)
2W (typ)
■
SE output power (R
L = 32 and THD = 0.1%)
V
DD = at 3.0V
V
DD = at 5.0V
33mW (typ)
90mW (typ)
■
Micro-power shutdown supply current
1A (typ)
■
PSRR (@ 1kHz, 2.9V
≤ V
DD ≤ 5.1V, (Fig. 1))
BTL
SE
52dB (typ)
62dB (typ)
Features
■ Advanced "click and pop" suppression circuitry
■ Stereo headphone amplifier mode
■ Low current micro-power shutdown mode
■ Thermal shutdown protection circuitry
■ 2.5V to 5.5V operation
■ Unity-gain stable
■ Gain set with external resistors
■ Space-saving exposed-DAP TSSOP package
Applications
■ PDAs
■ Cellular phones
■ Handheld portable electronic devices
Connection Diagram
200617a0
Top View
Order Number LM4913MH
See NS package Number MXF10A
Boomer is a registered trademark of National Semiconductor Corporation.
2008 National Semiconductor Corporation
200617
www.national.com
LM4913
2W
Monaural,
90mW
Stereo
Headphone
Audio
Amplifier
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PDF描述 |
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| LM4914MH/NOPB | 0.085 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO10 |
| LM4915LQ/NOPB | 0.4 W, 1 CHANNEL, AUDIO AMPLIFIER, QCC8 |
| LM4918LQ/NOPB | 2 CHANNEL(S), VOLUME CONTROL CIRCUIT, QCC32 |
| LM4919MM/NOPB | 0.014 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO10 |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LM4913MHX/NOPB | 制造商:Texas Instruments 功能描述:Audio Amp Headphone/Speaker 1-CH Mono/2-CH Stereo 2W Class-AB 10-Pin TSSOP EP T/R |
| LM4913MM | 制造商:NSC 制造商全称:National Semiconductor 功能描述:2W Monaural, 90mW Stereo Headphone Audio Amplifier |
| LM4914 | 制造商:NSC 制造商全称:National Semiconductor 功能描述:1W Monaural, 85mW Stereo Headphone Audio Amplifier |
| LM4914A WAF | 制造商:Texas Instruments 功能描述: |
| LM4914MH | 制造商:NSC 制造商全称:National Semiconductor 功能描述:1W Monaural, 85mW Stereo Headphone Audio Amplifier |
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