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參數(shù)資料
| 型號： | LM4930 |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | Audio Subsystem with Stereo Headphone & Mono Speaker Amplifiers |
| 中文描述： | 音頻子系統(tǒng)的立體聲耳機 |
| 文件頁數(shù)： | 3/33頁 |
| 文件大?。?/td> | 966K |
| 代理商： | LM4930 |
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Connection Diagrams
36-Bump micro SMD
micro SMD Marking
20072002
Top View
Order Number LM4930ITL
See NS Package Number MKT-TLA36KRA
20072056
Top View
X - Date Code
T - Die Traceability
G - Boomer Family
B6 - LM4930ITL
Pin Descriptions
A1
A2
A3
A4
A5
A6
B1
B2
B3
B4
B5
B6
C1
C2
C3
C4
C5
C6
D1
D2
D3
D4
D5
D6
E1
E2
E3
MIC_P
MIC_N
AVDD_MIC
DAC_REF
SDA
SCL
AGND_MIC
MIC_BIAS
MIC_REF
ADDR
PCM_SDI
PCM_CLK
AVDD_HP
NC
BYPASS
PCM_SYNC
I2S_DATA
DGND_D
HP_L
HP_R
HPSENSE_IN
PCM_SDO
I2S_CLK
DVDD_D
AGND_HP
LS-
HPSENSE_OUT
Microphone positive differential input
Microphone negative differential input
Analog V
dd
for microphone preamp
D/A converter reference voltage
Two-wire control interface serial data pin
Two-wire control interface serial clock pin
Analog ground for microphone preamp
Microphone bias supply output (2V)
Internal fixed-reference bypass capacitor decoupling pin
Control bus address select pin
PCM serial data in
PCM Serial clock pin
Analog V
dd
for headphone amplifier
No Connect
Half-supply bypass capacitor decoupling pin
PCM Frame sync pin
I
2
S serial data input
Digital ground
Headphone amplifier connection (Left)
Headphone amplifier connection (Right)
Connection for sense pin of headphone jack
PCM serial data out
I
2
S serial bit clock
Digital V
dd
Analog ground for headphone amplifier
Loudspeaker amplifier BTL negative out (-)
Logic output pin to indicate headphone connection status. Outputs logic high when
HPSENSE_IN is high and outputs logic low when HPSENSE_IN is low. See Figure 5
for suggested application circuit
LM4930 mode status indicator pin
I
2
S word select
Negative feedback source for external crystal MCLK
Analog ground for loudspeaker amplifier
E4
E5
E6
F1
IRQ
I2S_WS
XTAL_OUT
AGND_LS
L
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PDF描述 |
|---|---|
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| 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) |
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| LM4930_04 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Audio Subsystem with Stereo Headphone & Mono Speaker Amplifiers |
| LM4930ITL | 制造商:Texas Instruments 功能描述:Audio Amp Headphone/Microphone/Speaker 1-CH Mono/2-CH Stereo 1W Class-AB 36-Pin uSMD T/R |
| LM4930ITL/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 |
| LM4930ITLX | 制造商:Texas Instruments 功能描述:Audio Amp Headphone/Microphone/Speaker 1-CH Mono/2-CH Stereo 1W Class-AB 36-Pin uSMD T/R |
| LM4930ITLX/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 |
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