LM4864
www.ti.com SNAS109F – SEPTEMBER 1999 – REVISED MAY 2013 LM4864 725mW Audio Power Amplifier with Shutdown
Mode
Check for Samples: LM4864 FEATURES DESCRIPTION 1 23 VSSOP, SOIC, PDIP , and WSON Packaging
No Output Coupling Capacitors, Bootstrap
Capacitors, or Snubber Circuits are Necessary
Thermal Shutdown Protection Circuitry
Unity-Gain Stable
External Gain Configuration Capability
(1) APPLICATIONS Cellular phones
Personal computers
General purpose audio KEY SPECIFICATIONS (1)
(2) PO at 1% THD+N with VDD = 5V, 1kHz
– LM4864LD, 4Ω load 625 mW (typ)
– LM4864LD, 8Ω load 725 mW (typ)
– LM4864M & LM4864N (1), 8Ω load 675 mW
(typ)
– LM4864MM, 8Ω load (2) 300 mW (typ)
– LM4864, 16Ω load 550 mW (typ)
– Shutdown current 0.7 µA (typ) The LM4864 is a bridged audio power amplifier
capable of delivering 725mW of continuous average
power into an 8О© load with 1% THD+N from a 5V
power supply. …
