Datasheet

TAS5414A, TAS5424A
www.ti.com SLOS535C –MAY 2009– REVISED APRIL 2011
ABSOLUTE MAXIMUM RATINGS
over operating free-air temperature range (unless otherwise noted)
VALUE UNIT
PVDD DC supply voltage range Relative to GND –0.3 to 30 V
PVDD
MAX
Pulsed supply voltage range t ≤ 100 ms exposure –1 to 50 V
PVDD
RAMP
Supply voltage ramp rate 15 V/ms
I
PVDD
Externally imposed dc supply current per PVDD or GND pin ±12 A
I
PVDD_MAX
Pulsed supply current per PVDD pin (one shot) t < 100 ms 17 A
I
O
Maximum allowed dc current per output pin ±13.5 A
I
O_MAX
(1)
Pulsed output current per output pin (single pulse) t < 100 ms ±17 A
I
IN_MAX
Maximum current, all digital and analog input pins
(2)
DC or pulsed ±1 mA
I
MUTE_MAX
Maximum current on MUTE pin DC or pulsed ±20 mA
I
IN_ODMAX
Maximum sinking current for open-drain pins 7 mA
Input voltage range for logic pin relative to GND (SCL and Supply voltage range:
V
LOGIC
–0.3 to 7 V
SDA pins) 6.5 V < PVDD < 24 V
Supply voltage range:
V
I2C_ADDR
Input voltage range for I2C_ADDR pin relative to GND –0.3 to 7 V
6.5 V < PVDD < 24 V
Supply voltage range:
V
STANDBY
Input voltage range for STANDBY pin –0.3 to 5.5 V
6.5 V < PVDD < 24 V
Supply voltage range:
V
OSC_SYNC
Input voltage range for OSC_SYNC pin relative to GND –0.3 to 3.6 V
6.5 V < PVDD < 24 V
Maximum instantaneous input voltage (per pin), analog input Supply voltage range:
V
AIN_MAX
6.5 V
pins 6.5 V < PVDD < 24 V
Maximum ac-coupled input voltage for TAS5414A
(2)
, analog Supply voltage range:
V
AIN_AC_MAX_5414
0 to 6.5 V
input pins 6.5 V < PVDD < 24 V
Maximum ac-coupled differential input voltage for Supply voltage range:
V
AIN_AC_MAX_5424
0 to 6.5 V
TAS5424A
(2)
, analog input pins 6.5 V < PVDD < 24 V
Supply voltage range:
V
AIN_DC
Input voltage range for analog pin relative to GND (INx pins) –0.3 to 6.5 V
6.5 V < PVDD < 24 V
V
GND
Maximum voltage between GND pins ±0.3 V
T
J
Maximum operating junction temperature range –55 to 150 °C
T
stg
Storage temperature range –55 to 150 °C
Power dissipation Continuous power dissipation T
case
= 70°C 80 W
(1) Pulsed current ratings are maximum survivable currents externally applied to the TAS5414A and TAS5424A. High currents may be
encountered during reverse battery, fortuitous open ground, and fortuitous open supply fault conditions.
(2) See Application Information section for information on analog input voltage and ac coupling.
THERMAL CHARACTERISTICS
PARAMETER VALUE (Typical) UNIT
Junction-to-case (heat slug) thermal
R
θJC
1 °C/W
resistance, DKD package
Junction-to-case (heat slug) thermal
R
θJC
1.2 °C/W
resistance, PHD package
This device is not intended to be used without a heatsink. Therefore, R
θJA
R
θJA
Junction-to-ambient thermal resistance °C/W
is not specified. See the Thermal Information section.
Exposed pad dimensions, DKD package 13.8 × 5.8 mm
Exposed pad dimensions, PHD package 8 × 8 mm
RECOMMENDED OPERATING CONDITIONS
(1)
MIN TYP MAX UNIT
PVDD
OP
DC supply voltage range relative to GND 8 14.4 22 V
PVDD
I2C
6 14.4 26.5 V
DC supply voltage range for I
2
C reporting
(1) The Recommended Operating Conditions table specifies only that the device is functional in the given range. See the Electrical
Characteristics table for specified performance limits.
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