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參數資料
型號: LM4892IBPX
廠商: NATIONAL SEMICONDUCTOR CORP
元件分類: 音頻/視頻放大
英文描述: 1 Watt Audio Power Amplifier with Headphone Sense
中文描述: 1 W, 1 CHANNEL, AUDIO AMPLIFIER, PBGA8
封裝: MICRO, SMD-8
文件頁數: 5/22頁
文件大小: 1037K
代理商: LM4892IBPX
External Components Description
(
Figure 1
) (Continued)
Components
4.
Functional Description
C
S
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
.
This output coupling capacitor blocks DC voltage while coupling the AC audio signal to the headphone
speaker. Combined with R
L
, the headphone impedance, it creates a high pass filter at f
c
= 1/(2
π
R
L
C
OUT
).
Refer to the section,
Proper Selection of External Components
for an explanation of how to determine the
value of C
OUT
.
This is the pull up resistor to activate headphone operation when a headphone plug is plugged into the
headphone jack.
This is the current limiting resistor for the headphone input pin.
This is the pull down resistor to de-activate headphone operation when no headphone is plugged into the
headphone jack.
5.
C
B
6.
C
OUT
7.
R
PU
8.
9.
R
S
R
PD
Typical Performance Characteristics
THD+N vs Frequency
at V
DD
= 5V, 8
R
L
, and PWR = 250mW
THD+N vs Frequency
at V
DD
= 3.3V, 8
R
L
, and PWR = 150mW
20012737
20012738
THD+N vs Frequency
at V
DD
= 2.6V, 8
R
L
, and PWR = 100mW
THD+N vs Frequency
at V
DD
= 2.6V, 4
R
L
, and PWR = 100mW
20012739
20012740
L
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5
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相關代理商/技術參數
參數描述
LM4892ITP/NOPB 功能描述:IC AMP AUDIO PWR 1W MONO 8USMD RoHS:是 類別:集成電路 (IC) >> 線性 - 音頻放大器 系列:Boomer® 產品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:2,500 系列:DirectDrive® 類型:H 類 輸出類型:耳機,2-通道(立體聲) 在某負載時最大輸出功率 x 通道數量:35mW x 2 @ 16 歐姆 電源電壓:1.62 V ~ 1.98 V 特點:I²C,麥克風,靜音,短路保護,音量控制 安裝類型:表面貼裝 供應商設備封裝:25-WLP(2.09x2.09) 封裝/外殼:25-WFBGA,WLCSP 包裝:帶卷 (TR)
LM4892LD 功能描述:IC AMP AUDIO PWR 1W MONO 10LLP RoHS:否 類別:集成電路 (IC) >> 線性 - 音頻放大器 系列:Boomer® 產品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:2,500 系列:DirectDrive® 類型:H 類 輸出類型:耳機,2-通道(立體聲) 在某負載時最大輸出功率 x 通道數量:35mW x 2 @ 16 歐姆 電源電壓:1.62 V ~ 1.98 V 特點:I²C,麥克風,靜音,短路保護,音量控制 安裝類型:表面貼裝 供應商設備封裝:25-WLP(2.09x2.09) 封裝/外殼:25-WFBGA,WLCSP 包裝:帶卷 (TR)
LM4892LDX 功能描述:IC AMP AUDIO PWR 1W MONO 10LLP RoHS:是 類別:集成電路 (IC) >> 線性 - 音頻放大器 系列:Boomer® 產品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:2,500 系列:DirectDrive® 類型:H 類 輸出類型:耳機,2-通道(立體聲) 在某負載時最大輸出功率 x 通道數量:35mW x 2 @ 16 歐姆 電源電壓:1.62 V ~ 1.98 V 特點:I²C,麥克風,靜音,短路保護,音量控制 安裝類型:表面貼裝 供應商設備封裝:25-WLP(2.09x2.09) 封裝/外殼:25-WFBGA,WLCSP 包裝:帶卷 (TR)
LM4892M 制造商:NSC 制造商全稱:National Semiconductor 功能描述:1 Watt Audio Power Amplifier with Headphone Sense
LM4892M/NOPB 功能描述:IC AMP AUDIO PWR 1W MONO 8SOIC RoHS:是 類別:集成電路 (IC) >> 線性 - 音頻放大器 系列:Boomer® 產品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:2,500 系列:DirectDrive® 類型:H 類 輸出類型:耳機,2-通道(立體聲) 在某負載時最大輸出功率 x 通道數量:35mW x 2 @ 16 歐姆 電源電壓:1.62 V ~ 1.98 V 特點:I²C,麥克風,靜音,短路保護,音量控制 安裝類型:表面貼裝 供應商設備封裝:25-WLP(2.09x2.09) 封裝/外殼:25-WFBGA,WLCSP 包裝:帶卷 (TR)
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