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LM4930 bảng dữ liệu(PDF) 3 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor. Click here to check the latest version.
tên linh kiện LM4930
Giải thích chi tiết về linh kiện  Audio Subsystem with Stereo Headphone & Mono Speaker Amplifiers
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nhà sản xuất  NSC [National Semiconductor (TI)]
Trang chủ  http://www.national.com
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LM4930 bảng dữ liệu(HTML) 3 Page - National Semiconductor (TI)

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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
MIC_P
Microphone positive differential input
A2
MIC_N
Microphone negative differential input
A3
AVDD_MIC
Analog V
dd for microphone preamp
A4
DAC_REF
D/A converter reference voltage
A5
SDA
Two-wire control interface serial data pin
A6
SCL
Two-wire control interface serial clock pin
B1
AGND_MIC
Analog ground for microphone preamp
B2
MIC_BIAS
Microphone bias supply output (2V)
B3
MIC_REF
Internal fixed-reference bypass capacitor decoupling pin
B4
ADDR
Control bus address select pin
B5
PCM_SDI
PCM serial data in
B6
PCM_CLK
PCM Serial clock pin
C1
AVDD_HP
Analog V
dd for headphone amplifier
C2
NC
No Connect
C3
BYPASS
Half-supply bypass capacitor decoupling pin
C4
PCM_SYNC
PCM Frame sync pin
C5
I2S_DATA
I
2S serial data input
C6
DGND_D
Digital ground
D1
HP_L
Headphone amplifier connection (Left)
D2
HP_R
Headphone amplifier connection (Right)
D3
HPSENSE_IN
Connection for sense pin of headphone jack
D4
PCM_SDO
PCM serial data out
D5
I2S_CLK
I
2S serial bit clock
D6
DVDD_D
Digital V
dd
E1
AGND_HP
Analog ground for headphone amplifier
E2
LS-
Loudspeaker amplifier BTL negative out (-)
E3
HPSENSE_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
E4
IRQ
LM4930 mode status indicator pin
E5
I2S_WS
I
2S word select
E6
XTAL_OUT
Negative feedback source for external crystal MCLK
F1
AGND_LS
Analog ground for loudspeaker amplifier
www.national.com
3


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