LM4856LQX/NOPB National Semiconductor, LM4856LQX/NOPB Datasheet - Page 15

• Manufacturer Part Number: LM4856LQX/NOPB
• Manufacturer: National Semiconductor

Specifications of LM4856LQX/NOPB

• Operational Class: Class-AB
• Audio Amplifier Function: Headphone/Speaker
• Total Harmonic Distortion: 0.5@8Ohm@400mW%
• Single Supply Voltage (typ): 3V
• Dual Supply Voltage (typ): Not RequiredV
• Supply Current (max): 12@5VmA
• Power Supply Requirement: Single
• Rail/rail I/o Type: No
• Power Supply Rejection Ratio: 68dB
• Single Supply Voltage (min): 2.6V
• Single Supply Voltage (max): 5V
• Dual Supply Voltage (min): Not RequiredV
• Dual Supply Voltage (max): Not RequiredV
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 24
• Package Type: LLP
• Lead Free Status / Rohs Status: Compliant

Application Information
P
P
R = R
L = L
SD = Shutdown
MUTE = Mute Mode
G1 = gain from P
G2 = gain from L
G1 = G2 + 6dB
IHF
HS
M2
0
0
0
0
1
1
1
1
Function
= Non Filtered Phone_In_HS
= External High Pass Phone_In_IHF
IN
Default
IN
Name
BIT
M1
0
0
1
1
0
0
1
1
M0
IN
HS
0
1
0
1
0
1
0
1
and R
to L
OUT
Handsfree Speaker Output
D7
V4
IN
0
to L
and R
OUT
12dB x P
12dB x P
12dB x P
12dB x P
OUT
and R
MUTE
MUTE
MUTE
SD
OUT
D6
V3
0
IHF
IHF
IHF
IHF
Volume Control
(Continued)
TABLE 2. Output Mode Selection
D5
V2
0
Right Headphone Output
(G1 x P
(G1 x P
TABLE 1. Data Register
G1 x P
G1 x P
G2 x R
G2 x R
HS
HS
MUTE
SD
) + (G2 x R)
) + (G2 x R)
D4
V1
0
15
HS
HS
DATA
D3
V0
0
Left Headphone Output
(G1 x P
(G1 x P
G1 x P
G1 x P
G2 x L
G2 x L
HS
HS
MUTE
SD
) + (G2 x L)
) + (G2 x L)
M2
D2
0
HS
HS
Output Mode Control
D1
M1
Output Mode Number
0
0
1
2
3
4
5
6
7
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M0
D0
0