LM4930LQBD National Semiconductor, LM4930LQBD Datasheet - Page 4

• Manufacturer Part Number: LM4930LQBD
• Description: BOARD EVALUATION LM4930LQ
• Manufacturer: National Semiconductor
• Series: Boomer®r

Specifications of LM4930LQBD

• Amplifier Type: Class AB
• Output Type: 1-Channel (Mono) with Stereo Headphones
• Max Output Power X Channels @ Load: 1W x 1 @ 8 Ohm; 27mW x 2 @ 32 Ohm
• Voltage - Supply: 2.6 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Board Type: Fully Populated
• Utilized Ic / Part: LM4930
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

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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
E4
E5
E6
F1
F2
F3
F4
F5
F6
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
IRQ
I2S_WS
XTAL_OUT
AGND_LS
LS+
AVDD_LS
DGND_X
DVDD_X
MCLK/XTAL_IN
Microphone positive differential input
Microphone negative differential input
Analog V
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
No Connect
Half-supply bypass capacitor decoupling pin
PCM Frame sync pin
I
Digital ground
Headphone amplifier connection (Left)
Headphone amplifier connection (Right)
Connection for sense pin of headphone jack
PCM serial data out
I
Digital V
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
Negative feedback source for external crystal MCLK
Analog ground for loudspeaker amplifier
Loudspeaker amplifier BTL positive out (+)
Analog V
Digital ground
Digital V
12.288MHz or 24.576MHz Master Clock from crystal (via XTAL OUT) or external source
2
2
2
S serial data input
S serial bit clock
S word select
dd
DD
DD
dd
dd
for microphone preamp
for headphone amplifier
for loudspeaker amplifier
4