LM4946SQ National Semiconductor, LM4946SQ Datasheet - Page 24

• Manufacturer Part Number: LM4946SQ
• Description: IC,Audio Amplifier,TRIPLE,LLCC,24PIN,PLASTIC
• Manufacturer: National Semiconductor

Specifications of LM4946SQ

• Operational Class: Class-AB
• Audio Amplifier Output Configuration: 1-Channel Mono/2-Channel Stereo
• Audio Amplifier Function: Headphone/Speaker
• Total Harmonic Distortion: 0.05%%
• Single Supply Voltage (typ): 3/5V
• Dual Supply Voltage (typ): Not RequiredV
• Power Supply Requirement: Single
• Rail/rail I/o Type: No
• Power Supply Rejection Ratio: 72dB
• Single Supply Voltage (min): 2.7V
• Single Supply Voltage (max): 5.5V
• 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 EP
• Lead Free Status / Rohs Status: Not Compliant

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1. x = M, L, or R
2. Gain / Attenuation is from input to output
Volume Step
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
1
2
3
4
5
6
7
8
9
xVC4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
xVC3
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
TABLE 5. Volume Control Table
xVC2
24
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
xVC1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
xVC0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
Gain,dB
–54.00
–46.50
–40.50
–34.50
–30.00
–27.00
–24.00
–21.00
–18.00
–15.00
–13.50
–12.00
–10.50
–9.00
–7.50
–6.00
–4.50
–3.00
–1.50
10.50
12.00
13.50
15.00
16.50
18.00
0.00
1.50
3.00
4.50
6.00
7.50
9.00