Texas Instruments LM49200TLEVAL
The LM49200 is a fully integrated audio subsystem with a stereo power amplifier capable of delivering 500mW of continuous average power per channel into 8Ω with 1% THD+N using a 3.3V supply. The LM49200 includes a separate stereo headphone amplifier that can deliver 35mW per channel into 32Ω. The LM49200 has three input channels.| Part No. | LM49200TLEVAL |
|---|---|
| Datasheet | LM49200TLEVAL Download |
| Manufacturer |  Texas Instruments |
| Description | Stereo Class AB Audio Subsystem |
| Buy | Stock & Price |
FEATURES
1●2 Differential Mono Input and Stereo SingleEnded Input
● 32-Step Digital Volume Control (-80 to +18dB)
● Three Independent Volume Channels (Left, Right, Mono)
● Separate Headphone Volume Control
● Flexible Output for Speaker and Headphone Output
● True Ground Headphone Amplifier Eliminates Large DC Blocking Capacitors Reducing PCB Space and Cost
● Receiver Pass-Through Capability
● Soft Enable Function
● RF Immunity Topology
● “Click and Pop” Suppression Circuitry
● Thermal Shutdown Protection
● Micro-Power Shutdown
● I2C Control Interface
● Available in Space-Saving DSBGA Package KEY SPECIFICATIONS
● Supply Voltage (VDD): 2.7V ≤ VDD ≤ 5.5V
● I2C Supply Voltage: 1.7V ≤ I2CVDD ≤ 5.5V
● Output power at VDD = 5V, 1% THD+N – RL = 8Ω speaker: 1.25W (typ) – RL = 32Ω headphone: 38mW (typ)
● Output power at VDD = 3.3V, 1% THD+N – RL = 8Ω speaker: 520W (typ) – RL = 32Ω headphone: 38mW (typ)
● PSRR: – VDD = 3.3V, 217Hz ripple, Mono In: 95dB (typ)
● Shutdown power supply current 0.02μA (typ)
APPLICATIONS
● Portable Electronic Devices● Mobile Phones
● PDAs
DESCRIPTION
The LM49200 has three input channels.
