Features: ` Operating from VCC = 2.5V to 5.5V` I²C bus control interface` 40mW output power @ Vcc=3.3V, THD=1%,F=1kHz, with 16 load` Ultra-low consumption in stdby mode: 0.6 A` Digital volume control range from 18dB to -34dB` 14-step digital volume control` 9 different output mode selections`...
TS4975: Features: ` Operating from VCC = 2.5V to 5.5V` I²C bus control interface` 40mW output power @ Vcc=3.3V, THD=1%,F=1kHz, with 16 load` Ultra-low consumption in stdby mode: 0.6 A` Digital volume c...
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Symbol |
Parameter |
Value |
Unit |
VCC |
Supply voltage (1) |
6 |
V |
Vi |
Input Voltage (2) |
GND to VCC |
V |
Toper |
Operating Free Air Temperature Range |
-40 to + 85 |
°C |
Tstg |
Storage Temperature |
-65 to +150 |
°C |
Tj |
Maximum Junction Temperature |
150 |
°C |
Rthja |
Thermal Resistance Junction to Ambient (3) |
200 |
°C/W |
Pd |
Power Dissipation |
Internally Limited(4) |
|
ESD |
Susceptibility - Human Body Model(5) |
2 |
kV |
ESD |
Susceptibility - Machine Model (min. Value) |
200 |
V |
Latch-up |
Latch-up Immunity |
200 |
mA |
Lead Temperature (soldering, 10sec) |
260 |
°C |
The TS4975 is a stereo audio headphone driver capable of delivering up to 102mW per channel of continuous average power into a 16 singleended load with 1% THD+N from a 5V power supply. The overall gain of these headphone drivers is controlled digitally by volume control registers programmed via the I²C interface, minimizing the number of external components needed. This device can also easily be driven by an MCU to select the output modes, through the I²C bus interface.
A phantom ground configuration allows one to avoid using bulky capacitors on the outputs of the headphone amplifiers TS4975.
The TS4975 is packaged into a 1.8mm X 2.3mm Flip Chip package, ideally suited for spaceconscious portable applications.