參數(shù)資料
型號： LM4931
廠商： National Semiconductor Corporation
英文描述： Audio Subsystem with Mono High Efficiency Loudspeaker and Stereo Headphone Amplifiers
中文描述： 與單聲道音頻子系統(tǒng)高效揚聲器和立體聲耳機放大器
文件頁數(shù)： 41/47頁
文件大小： 1640K
代理商： LM4931
Application Information
(Continued)
LOUDSPEAKER FILTERED OUTPUT — FOR MEASUREMENT PURPOSES (JP6)
Pin
1
2
Function
Filtered LS+
Filtered LS-
MULTI-USE PORT GPIO (JP14)
Pin
1
2
Function
VSS_D
GPIO
PCM LOOPBACK JUMPER
Pin
1
2
Function
PCM_SDI
PCM_SDO
MODE Select Jumper (S1)
Jumper IN = LOW
Jumper OUT = HIGH
Crystal MCLK Jumper (S13
)
Jumper IN = MCLK Supplied by on-board crystal oscillator
Jumper OUT = MCLK supplied by other source, crystal oscillator isolated
MCLK to PCM Bus and I
2
S Bus Jumper (S14)
Jumper IN = MCLK connected to PCM bus and I
2
S bus
Jumper OUT = MCLK isolated from PCM bus and I
2
S bus
PLL FILTER SELECT JUMPERS (S6–S9)
Jumper
S6 + S7
S8 + S9
S6 + S7
S8 + S9
IN/OUT
IN
OUT
OUT
IN
Function
2nd Order Filter Select
3rd Order Filter Select
POWER SUPPLY JUMPERS (S3–S5, S10–S12)
Jumper
S3
S4
S5
S10
S11
S12
Function
connects VDD_D and VDD_PLL
connects VDD_PLL and VDD_LS
connects VDD_A and VDD_LS
connects VSS_D and VSS_PLL
connects VSS_PLL and LSGND
connects VSS_A and LSGND
L
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LM4931_06 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Audio Subsystem with Mono High Efficiency Loudsperker and Stereo Headphone Amplifiers
LM4931ITL/NOPB 功能描述:音頻放大器 RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
LM4931ITLBD 功能描述:BOARD EVALUATION LM4931ITL RoHS:否 類別:編程器，開發(fā)系統(tǒng) >> 評估板 - 音頻放大器 系列:Boomer® 產(chǎn)品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:1 系列:-
LM49321 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Audio Sub-System with Stereo DAC, Mono Class AB Loudspeaker Amplifier, OCL/SE Stereo Headphone Output and RF Suppression
LM49321RL 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Audio Sub-System with Stereo DAC, Mono Class AB Loudspeaker Amplifier, OCL/SE Stereo Headphone Output and RF Suppression
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