參數(shù)資料
型號(hào)： LM4897
廠商： National Semiconductor Corporation
英文描述： 1.1 Watt Audio Power Amplifier with Fade-In and Fade-Out
中文描述： 1.1瓦音頻功率放大器與淡入和淡出
文件頁數(shù)： 5/14頁
文件大?。?/td> 612K
代理商： LM4897
External Components Description
(
Figure 1
)
Components
1.
Functional Description
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 f
C
= 1/(2
π
R
i
C
i
).
Input coupling capacitor which blocks the DC voltage at the amplifiers input terminals. Also creates a
highpass filter with R
i
at f
C
= 1/(2
π
R
i
C
i
). Refer to the section,
Proper Selection of External Components
, for
an explanation of how to determine the value of C
i
.
Feedback resistance which sets the closed-loop gain in conjunction with R
i
.
Supply bypass capacitor which provides power supply filtering. Refer to the
Power Supply Bypassing
section for information concerning proper placement and selection of the supply bypass capacitor.
Bypass pin capacitor which provides half-supply filtering. Refer to the section,
Proper Selection of External
Components
, for information concerning proper placement and selection of C
B
.
2.
C
i
3.
4.
R
f
C
S
5.
C
B
Typical Performance Characteristics
THD+N vs Frequency
V
DD
= 5V, R
L
= 8
THD+N vs Frequency
V
DD
= 3V, R
L
= 8
200509A2
200509A3
THD+N vs Frequency
V
DD
= 2.6V, R
= 8
PWR = 100mW
THD+N vs Power Out
V
DD
= 5V
R
L
= 8
, f = 1kHz
200509A4
200509A5
L
www.national.com
5
相關(guān)PDF資料
PDF描述
LM4897MM 1.1 Watt Audio Power Amplifier with Fade-In and Fade-Out
LM4904 Circular Connector; MIL SPEC:MIL-C-5015; Body Material:Metal; Series:GT; No. of Contacts:4; Connector Shell Size:32; Connecting Termination:Crimp; Circular Shell Style:Wall Mount Receptacle; Body Style:Straight
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LM4897MM 制造商:NSC 制造商全稱:National Semiconductor 功能描述:1.1 Watt Audio Power Amplifier with Fade-In and Fade-Out
LM4897MM/NOPB 功能描述:IC AMP AUDIO PWR 1.1W AB 10MSOP RoHS:是 類別:集成電路 (IC) >> 線性 - 音頻放大器 系列:Boomer® 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:DirectDrive® 類型:H 類 輸出類型:耳機(jī)，2-通道（立體聲） 在某負(fù)載時(shí)最大輸出功率 x 通道數(shù)量:35mW x 2 @ 16 歐姆 電源電壓:1.62 V ~ 1.98 V 特點(diǎn):I²C，麥克風(fēng)，靜音，短路保護(hù)，音量控制 安裝類型:表面貼裝 供應(yīng)商設(shè)備封裝:25-WLP（2.09x2.09） 封裝/外殼:25-WFBGA，WLCSP 包裝:帶卷 (TR)
LM4897MMX 功能描述:IC AMP AUDIO PWR 1.1W AB 10MSOP RoHS:是 類別:集成電路 (IC) >> 線性 - 音頻放大器 系列:Boomer® 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:DirectDrive® 類型:H 類 輸出類型:耳機(jī)，2-通道（立體聲） 在某負(fù)載時(shí)最大輸出功率 x 通道數(shù)量:35mW x 2 @ 16 歐姆 電源電壓:1.62 V ~ 1.98 V 特點(diǎn):I²C，麥克風(fēng)，靜音，短路保護(hù)，音量控制 安裝類型:表面貼裝 供應(yīng)商設(shè)備封裝:25-WLP（2.09x2.09） 封裝/外殼:25-WFBGA，WLCSP 包裝:帶卷 (TR)
LM4898 制造商:NSC 制造商全稱:National Semiconductor 功能描述:1 Watt Fully Differential Audio Power Amplifier With Shutdown Select
LM4898ITL 制造商:Texas Instruments 功能描述:Audio Amp Speaker 1-CH Mono 1W Class-AB 9-Pin uSMD T/R
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