LM4947TL National Semiconductor, LM4947TL Datasheet - Page 4

• Manufacturer Part Number: LM4947TL
• Manufacturer: National Semiconductor

Specifications of LM4947TL

• Operational Class: Class-D
• Audio Amplifier Output Configuration: 1-Channel Mono/2-Channel Stereo
• Audio Amplifier Function: Headphone/Speaker
• Single Supply Voltage (typ): Not RequiredV
• Dual Supply Voltage (typ): 3/5V
• Power Supply Requirement: Triple
• Rail/rail I/o Type: No
• Power Supply Rejection Ratio: 76dB
• Single Supply Voltage (min): Not RequiredV
• Single Supply Voltage (max): Not RequiredV
• Dual Supply Voltage (min): 2.2/2.7V
• Dual Supply Voltage (max): 5.5V
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 25
• Package Type: uSMD
• Lead Free Status / Rohs Status: Not Compliant

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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
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