Datasheet

TAS5414A, TAS5424A
SLOS535C MAY 2009 REVISED APRIL 2011
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RECOMMENDED OPERATING CONDITIONS
(1)
(continued)
MIN TYP MAX UNIT
V
AIN_5414
(2)
Analog audio input signal level (TAS5414A) AC-coupled input voltage 0 0.251
(3)
Vrms
Analog audio input signal level (TAS5424A) AC-coupled input voltage 0 Vrms
V
AIN_5424
(2)
0.52
(3)
f
AUDIO_TW
Audio frequency for tweeter detect 10 20 25 kHz
T
A
Ambient temperature 40 105 °C
An adequate heat sink is required
T
J
Junction temperature 40 115 °C
to keep T
J
within specified range.
R
L
Nominal speaker load impedance 2 4
V
PU
Pullup voltage supply (for open-drain logic outputs) 3 3.3 or 5 5.5 V
Resistor connected between
R
PU_EXT
External pullup resistor on open-drain logic outputs open-drain logic output and V
PU
10 47 100 k
supply
R
PU_I2C
1 4.7 10 k
I
2
C pullup resistance on SDA and SCL pins
Total resistance of voltage divider for I
2
C address
R
I2C_ADD
10 100 k
slave 1 or slave 2, connected between D_BYP and
GND pins
R
REXT
External resistance on REXT pin 1% tolerance required 19.8 20 20.2 k
C
D_BYP
External capacitance on D_BYP pin 10 120 nF
C
A_BYP
External capacitance on A_BYP pin 10 120 nF
External capacitance to analog input pin in series
C
IN
1 μF
with input signal
C
FLY
Flying capacitor on charge pump 0.47 1 1.5 μF
C
P
Charge pump capacitor 0.47 1 1.5 μF
C
MUTE
Capacitance on MUTE pin 100 330 nF
C
OSCSYNC_MAX
Allowed loading capacitance on OSC_SYNC pin 5 pF
(2) Signal input for full unclipped output with gains of 32 dB, 26 dB, 20 dB, and 12 dB
(3) Maximum recommended input voltage is determined by the gain setting.
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