TAS5412-Q1

SLOS685A – AUGUST 2013 – REVISED OCTOBER 2013

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Table 1. TERMINAL FUNCTIONS (continued)

TERMINAL

TYPE

DESCRIPTION

NAME

NO.

3, 7-9, 12,14,

16, 17, 21–26,

GND

30–32, 35, 38,

GND

Ground

39, 43, 49–51,

55–60

I2C_ADDR

62

AI

IN1_P

15

AI

Non-inverting analog input for channel 1

IN2_P

19

AI

Non-inverting analog input for channel 2

IN_M

18

ARTN

Signal return for both analog channel inputs

MUTE

2

DI

Gain-ramp control

NU

33, 34, 47, 48

NC

No connect, do not connect to ground

OSC_SYNC

61

DI, DO

Oscillator input from master or output to slave amplifiers

OUT1_M

45

PO

– polarity output for bridge 1

OUT1_P

44

PO

+ polarity output for bridge 1

OUT2_M

37

PO

– polarity output for bridge 2

OUT2_P

36

PO

+ polarity output for bridge 2

PVDD

27–29, 52–54

PWR

PVDD supply

REXT

10

AI

Precision resistor pin to set analog reference

SCL

64

DI

SDA

63

DI, DO

STANDBY

4

DI

Active-low STANDBY pin. Standby (low), power up (high)

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

Pulsed supply-voltage range

t

≤ 400 ms exposure

–1 to 50

V

Supply-voltage ramp rate

15

V/ms

Externally imposed dc supply current per PVDD or GND pin

±12

A

Pulsed supply current per PVDD pin (one shot)

t < 100 ms

17

A

Maximum allowed dc current per output pin

±13.5

A

(1)

Pulsed output current per output pin (single pulse)

t < 100 ms

±17

A

DC or pulsed

±1

mA

Maximum current on MUTE pin

DC or pulsed

±20

mA

Maximum sinking current for open-drain pins

7

mA

Input voltage range for logic pin relative to GND (SCL and

–0.3 to 6

V

SDA pins)

Input voltage range for I2C_ADDR pin relative to GND

–0.3 to 6

V

Input voltage range for STANDBY pin

–0.3 to 5.5

V

Input voltage range for OSC_SYNC pin relative to GND

–0.3 to 3.6

V

1.9

Vrms

Maximum voltage between GND pins

±0.3

V

Maximum operating junction temperature range

–55 to 150

°C

Storage temperature range

–55 to 150

°C

(1)

Pulsed-current ratings are maximum survivable currents externally applied to the TAS5412-Q1. Reverse-battery, fortuitous open-ground,

and fortuitous open-supply fault conditions may result in high currents.

(2)

See Application Information section for information on analog input voltage and ac coupling.

4

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