LM4857ITLX National Semiconductor, LM4857ITLX Datasheet - Page 16

• Manufacturer Part Number: LM4857ITLX
• Manufacturer: National Semiconductor

Specifications of LM4857ITLX

• Operational Class: Class-AB
• Input Offset Voltage: 40@5VmV
• Single Supply Voltage (typ): Not RequiredV
• Dual Supply Voltage (typ): 3/5V
• Supply Current (max): 21@5VmA
• Power Supply Requirement: Dual
• Rail/rail I/o Type: No
• Power Supply Rejection Ratio: 86dB
• Single Supply Voltage (min): Not RequiredV
• Single Supply Voltage (max): Not RequiredV
• Dual Supply Voltage (min): 2.5/2.7V
• Dual Supply Voltage (max): 5.5V
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 30
• Lead Free Status / RoHS Status: Not Compliant

www.national.com
Typical Performance Characteristics
Top-Mode 12, 13; Mid-Mode 2, 3; Bot-Mode 7, 8
Mode 1; 0dB Gain; Top-CD4 = 1; Bot-CD4 = 0
V
DD
V
DD
= 5V; LLS, RLS; R
All audio inputs terminated
= 5V; EP; f = 1kHz; R
THD+N vs Output Power
PSRR vs Frequency
L
= 8Ω; 0db Gain;
L
= 32Ω;
20079724
20079726
(Note 11) (Continued)
16
Top-Mode 12, 13; Mid-Mode 2, 3; Bot-Mode 7, 8
V
DD
= 3V; LLS, RLS; R
R
All audio inputs terminated
L
THD+N vs Output Power
V
= 32Ω; Mode 1; 0dB Gain
DD
PSRR vs Frequency
= 3V; EP; f = 1kHz;
L
= 8Ω; 0db Gain;
20079725
20079727