LM4947TL/NOPB National Semiconductor, LM4947TL/NOPB Datasheet - Page 4

• Manufacturer Part Number: LM4947TL/NOPB
• Description: IC AUDIO SUBSYSTM 1.19W D 25USMD
• Manufacturer: National Semiconductor
• Series: Boomer®r
• Type: Class Dr

Specifications of LM4947TL/NOPB

• Output Type: 1-Channel (Mono) with Stereo Headphones
• Max Output Power X Channels @ Load: 1.19W x 1 @ 8 Ohm; 87mW x 2 @ 32 Ohm
• Voltage - Supply: 2.7 V ~ 5.5 V
• Features: 3D, Depop, Differential Inputs, I²C, Mute, Shutdown, SPI, Thermal Protection, Volume Control
• Mounting Type: Surface Mount
• Package / Case: 25-MicroSMD
• Amplifier Class: D
• No. Of Channels: 3
• Output Power: 2.5W
• Supply Voltage Range: 2.7V To 5.5V
• Load Impedance: 32ohm
• Operating Temperature Range: -40°C To +85°C
• Amplifier Case Style: SMD
• Rohs Compliant: Yes
• For Use With: LM4947TLEVAL - BOARD EVALUATION LM4947TL
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: LM4947TLTR

www.national.com
Pin Descriptions
Bump
C1
C2
C3
C4
C5
D1
D2
D3
D4
D5
A1
A2
A3
A4
A5
B1
B2
B3
B4
B5
E1
E2
E3
E4
E5
C
RHP
RHP
I2CV
L
L
LSV
Name
ADDR
MIN+
AV
AV
MIN-
BYPASS
VOC
GND
GND
SDA
SCL
R
R
HP3D1
HP3D2
LS+
L
L
R
LS-
L
IN1
IN2
IN2
IN1
HP
HP
DD
DD
3D1
3D2
DD
DD
Description
Right Input Channel 2 or Right Differential Input -
Left Input Channel 1 or Left Differential Input +
Mono Channel Non-inverting Input
Right Headphone 3D Input 1
Right Headphone 3D Input 2
Right Input Channel 1 or Right Differential Input +
Left Input Channel 2 or Left Differential Input -
Mono Channel Inverting Input
Left Headphone 3D Input 2
Left Headphone 3D Input 1
Address Identification
Serial Data Input
Serial Clock Input
Half-Supply Bypass Capacitor
Headphone return bias output
Analog Power Supply
Loudspeaker Power Supply
I2C Interface Power Supply
Analog Power Supply
Right Headphone Output
Loudspeaker Output Negative
Ground
Loudspeaker Output Positive
Ground
Left Headphone Output
4