LM4857ITLBD National Semiconductor, LM4857ITLBD Datasheet - Page 24

• Manufacturer Part Number: LM4857ITLBD
• Description: BOARD EVALUATION LM4857ITL
• Manufacturer: National Semiconductor
• Series: Boomer®r

Specifications of LM4857ITLBD

• Amplifier Type: Class AB
• Output Type: 2-Channel (Stereo) with Stereo Headphones
• Max Output Power X Channels @ Load: 1.6W x 2 @ 4 Ohm; 75mW x 2 @ 32 Ohm
• Voltage - Supply: 2.7 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Board Type: Fully Populated
• Utilized Ic / Part: LM4857
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

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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
24
C Bus Format
0
A4
1
1
1
MD4
RD4
CD4
LD4
D4
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
200797F4
200797F5
A0
MD0
RD0
CD0
LD0
0
0
0
D0