LM49101TM/NOPB National Semiconductor, LM49101TM/NOPB Datasheet - Page 4

• Manufacturer Part Number: LM49101TM/NOPB
• Description: IC AUDIO SUBSYSTM 1.3W AB 25USMD
• Manufacturer: National Semiconductor
• Series: Boomer®, PowerWise®r
• Type: Class ABr

Specifications of LM49101TM/NOPB

• Output Type: 1-Channel (Mono) with Stereo Headphones
• Max Output Power X Channels @ Load: 1.3W x 1 @ 8 Ohm; 45mW x 2 @ 32 Ohm
• Voltage - Supply: 2.7 V ~ 5.5 V
• Features: Depop, Differential Inputs, I²C, Shutdown, Thermal Protection, Volume Control
• Mounting Type: Surface Mount
• Package / Case: 25-MicroSMD
• Operational Class: Class-AB
• 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: 90dB
• Single Supply Voltage (min): Not RequiredV
• Single Supply Voltage (max): Not RequiredV
• Dual Supply Voltage (min): 1.7/1.8/2.7V
• Dual Supply Voltage (max): 2.9/5.5V
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 25
• Package Type: uSMD
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: LM49101TMTR

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Bump 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
BYPASS_IN+ Earpiece positive input, bypass volume control and amplifier
BYPASS_IN-
HW RESET
CPGND
HPGND
MONO+
MONO-
V
V
I
V
V
Name
2
MIN+
GND
GND
BIAS
HPR
MIN-
SDA
C1N
C1P
HPL
SCL
SS
DD
DD
RIN
CV
LIN
DD
CP
HP
CP
LS
DD
Charge pump ground terminal
Negative charge pump power supply
Right headphone output
Headphone amplifier power supply
Positive input pin for the mono, differential input
Negative terminal of the charge pump flying capacitor
Positive terminal of the charge pump flying capacitor
Left headphone output
Headphone signal ground
Negative input pin for the mono, differential input
Charge pump power supply
I
Ground
Single-ended input for the right channel
Single-ended input for the left channel
Earpiece negative input, bypass volume control and amplifier
I
I
Hardware reset function, active low. When pin is low (<0.6V) the
LM49101 goes into shutdown mode and will remain in shutdown
mode until pin goes to logic high (>1.6V) and is activated by I
control. When reset all registers are set to the default value of 0.
Positive loudspeaker output
Main power supply
Ground
Negative loudspeaker output
Half-supply bias, capacitor bypassed
2
2
2
C data
C power supply
C clock
Pin Function
4
2
C
Analog Output
Analog Output
Analog Output
Analog Output
Analog Output
Analog Output
Analog Output
Power Output
Analog Input
Analog Input
Analog Input
Analog Input
Analog Input
Analog Input
Power Input
Power Input
Digital Input
Power Input
Digital Input
Digital Input
Power Input
Ground
Ground
Ground
Ground
Type