Features: ` LowOperating Current with 14mA` ImprovedDepop Circuitry to Eliminate` Turn-on and Turn-off Transients in Outputs High PSRR` 32 Steps VolumeAdjustable by DC Voltage with Hysteresis` 2W per Channel Output Power into 4 Load at 5V, BTL Mode` Two Output ModesAllowable with BTL and SE Modes ...
APA2065: Features: ` LowOperating Current with 14mA` ImprovedDepop Circuitry to Eliminate` Turn-on and Turn-off Transients in Outputs High PSRR` 32 Steps VolumeAdjustable by DC Voltage with Hysteresis` 2W pe...
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Symbol | Parameter |
Rating |
Unit |
VDD | Supply Voltage |
-0.3 to 6 |
V |
VIN | Input Voltage Range, SE/BTL, HP/LINE, SHUTDOWN, PCBEN |
-0.3 to VDD+0.3 |
V |
TA | Operating Ambient Temperature Range |
-40 to 85 |
|
TJ | Maximum Junction Temperature |
Internally Limited*1 |
|
TSTG | Storage Temperature Range |
-65 to +150 |
|
TS | Soldering Temperature, 10 seconds |
260 |
|
VESD | Electrostatic Discharge |
-3000 to 3000*2 -200 to 200*3 |
V |
PD | Power Dissipation |
Internally Limited |
APA2065 is a monolithic integrated circuit, which provides precise DC volume control, and a stereo bridged audio power amplifiers capable of producing 2.7W(2.0W) into 3 withless than10%(1.0%)THD+N. The attenuator range of the volumecontrol inAPA2065 is from 20dB (DC_Vol=0V) to -80dB (DC_Vol=3.54V) with 32 steps. The advantage of internal gain setting can be less components and PCB area. Both of the depop circuitry and the thermal shutdown protection circuitry are integrated in APA2065, that reduce pops and clicks noise during power up or shutdown mode operation. It also improves the power off pop noise and protects the chip from being destroyed by over temperature and short current failure. To simplify the audio system design, APA2065 combines a stereo bridge-tied loads (BTL) mode for speaker drive and a stereo single-end (SE) mode for headphone drive into a single chip, where both modes are easily switched by the SE/BTL input control pin signal.