參數(shù)資料
型號(hào)： LM4935
廠商： National Semiconductor Corporation
元件分類： ADC
英文描述： Audio Sub-System with Dual-Mode Stereo Headphone and Mono High Efficiency Loudspeaker Amplifiers and Multi-Purpose ADC
中文描述： 音頻子系統(tǒng)的雙模單聲道立體聲耳機(jī)和揚(yáng)聲器放大器的高效率和多功能模數(shù)轉(zhuǎn)換器
文件頁數(shù)： 6/112頁
文件大?。?/td> 5017K
代理商： LM4935
7.0 Connection Diagrams
49 Bump Microfil
49 Bump Microfil Marking
201341P3
Top View (Bump Side Down)
Order Number LM4935
See NS Package Number WLA49VVA
201341P5
Top View
XY — Date Code
TT — Die Traceability
G — Boomer
F4 — LM4935WL/WLX
Pin Descriptions
Pin
A1
A2
A3
A4
A5
A6
A7
B1
B2
B3
B4
B5
Pin Name
EP_NEG
A_V
DD
INT_MIC_POS
EXT_MIC
VSAR2
VSAR1
PLL_V
SS
A_V
SS
EP_POS
INT_MIC_NEG
BYPASS
TEST_MODE/CS
Type
Analog
Supply
Analog
Analog
Analog
Analog
Supply
Supply
Analog
Analog
Analog
Digital
Direction
Output
Input
Input
Input
Input
Input
Input
Input
Output
Input
Inout
Input
Description
Earpiece negative output
Headphone and mixer V
DD
Internal microphone positive input
External microphone input
Input to SAR channel 2
Input to SAR channel 1
PLL V
SS
Headphone and mixer V
SS
Earpiece positive output
Internal microphone negative input
A_V
DD
/2 filter point
If SPI_MODE = 1, then this pin becomes CS. If SPI_MODE = 0,
and TEST_MODE/CS = 1, then this places the LM4935 into test mode.
Filter point for PLL VCO input
PLL V
DD
Headphone Right Output
External microphone supply (2.0/2.5/2.8/3.3V)
2.0V/2.5V ultra-clean supply for internal microphone
Right Analog Input
General Purpose I/O 2
Control Data, I2C_SDA or SPI_SDI
Control Clock, I2C_SCL or SPI_SCK
Headphone Left Output
Filter point for the microphone power supply
Left Analog Input
Control mode select 1 = SPI, 0 = I2C (or test)
General Purpose I/O 1
Baseband V
DD
for the digital I/Os
Digital V
DD
Virtual Ground for Headphones in OCL mode, otherwise 1st headset detection input
B6
B7
C1
C2
C3
C4
C5
C6
C7
D1
D2
D3
D4
D5
D6
D7
E1
PLL_FILT
PLL_V
DD
HP_R
EXT_BIAS
INT_BIAS
AUX_R
GPIO_2
SDA
SCL
HP_L
VREF_FLT
AUX_L
SPI_MODE
GPIO_1
BB_V
DD
D_V
DD
HP_VMID
Analog
Supply
Analog
Analog
Analog
Analog
Digital
Digital
Digital
Analog
Analog
Analog
Digital
Digital
Supply
Supply
Analog
Inout
Input
Output
Output
Output
Input
Inout
Inout
Input
Output
Inout
Input
Input
Inout
Input
Input
Inout
L
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相關(guān)PDF資料
PDF描述
LM4935WL Audio Sub-System with Dual-Mode Stereo Headphone and Mono High Efficiency Loudspeaker Amplifiers and Multi-Purpose ADC
LM4935WLX Audio Sub-System with Dual-Mode Stereo Headphone and Mono High Efficiency Loudspeaker Amplifiers and Multi-Purpose ADC
LM4936 Stereo 2W Audio Power Amplifiers with Volume Control and Selectable Control Interface (SPI or I2C)
LM4951 Wide Voltage Range 1.8 Watt Audio Amplifier
LM4953 Ground-Referenced, Ultra Low Noise, Ceramic Speaker Driver
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LM49350 制造商:NSC 制造商全稱:National Semiconductor 功能描述:High Performance Audio Codec Sub-System with a Ground-Referenced Stereo Headphone Amplifier
LM49350RL 制造商:Texas Instruments 功能描述:Audio Codec 1ADC / 1DAC 36-Pin uSMD T/R 制造商:Texas Instruments 功能描述:AUDIO CODEC SUBSYSTEM 36MICRO SMDXT
LM49350RL/NOPB 功能描述:接口—CODEC Hi Perf Audio Codec Subsystem RoHS:否 制造商:Texas Instruments 類型: 分辨率: 轉(zhuǎn)換速率:48 kSPs 接口類型:I2C ADC 數(shù)量:2 DAC 數(shù)量:4 工作電源電壓:1.8 V, 2.1 V, 2.3 V to 5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:DSBGA-81 封裝:Reel
LM49350RL/NOPB 制造商:Texas Instruments 功能描述:Audio Codec IC
LM49350RLEVAL 功能描述:音頻 IC 開發(fā)工具 LM49350RL EVAL BOARD RoHS:否 制造商:Texas Instruments 產(chǎn)品:Evaluation Kits 類型:Audio Amplifiers 工具用于評(píng)估:TAS5614L 工作電源電壓:12 V to 38 V
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