LM4859SP National Semiconductor, LM4859SP Datasheet - Page 18

• Manufacturer Part Number: LM4859SP
• Description: Audio Amp Headphone/Speaker 2-CH Stereo 1.6W Class-AB 28-Pin LLP EP T/R
• Manufacturer: National Semiconductor

Specifications of LM4859SP

• Package: 28LLP EP
• Function: Headphone/Speaker
• Amplifier Type: Class-AB
• Total Harmonic Distortion Noise: 0.04@32Ohm@15mW|0.05@8Ohm@400mW %
• Typical Psrr: 86 dB
• Output Signal Type: Differential|Single
• Output Type: 2-Channel Stereo
• Maximum Input Offset Voltage: 40@5V mV
• Maximum Load Resistance: 32 Ohm

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Application Information
EC - externally configured by ADR pin
Mono Volume control
Left Volume control
Right Volume control
Mode control
Chip Address
ADR = 0
ADR = 1
A7
1
1
1
A6
1
1
1
D7
0
0
1
1
FIGURE 3. I
TABLE 2. Control Registers
FIGURE 2. I
A5
1
1
1
D6
TABLE 1. Chip Address
0
1
0
1
2
C Timing Diagram
RD5
CD5
LD5
2
D5
18
C Bus Format
0
A4
1
1
1
MD4
RD4
LD4
D4
0
A3
1
1
1
MD3
RD3
CD3
LD3
D3
A2
0
0
0
MD2
RD2
CD2
LD2
D2
EC
A1
0
1
MD1
RD1
CD1
LD1
D1
201061F4
201061F5
A0
MD0
RD0
CD0
LD0
0
0
0
D0