TAS5706PAPR datasheet(6/62 Pages) TI

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64-TERMINAL, HTQFP PACKAGE (TOP VIEW)

TAS5706

SLOS550A – DECEMBER 2007 – REVISED DECEMBER 2007

TERMINAL FUNCTIONS

TERMINAL

TYPE

5-V

TERMINATION

DESCRIPTION

(1)

TOLERANT

(2)

NAME

NO.

AGND

Analog ground for power stage

AVCC

Analog power supply for power stage. Connect externally to same

potential as PVCC.

AVDD

3.3-V analog power supply

AVSS

Analog 3.3-V supply ground

BKND_ERR

Pullup

Active-low. A back-end error sequence is generated by applying logic

LOW to this terminal. This terminal is connected to an external power

stage. If no external power stage is used, connect this terminal directly

to DVDD.

(1)

TYPE: A = analog; D = 3.3-V digital; P = power/ground/decoupling; I = input; O = output

(2)

All pullups are 20-

µA weak pullups and all pulldowns are 20-µA weak pulldowns. The pullups and pulldowns are included to assure

proper input logic levels if the terminals are left unconnected (pullups

→ logic 1 input; pulldowns → logic 0 input). Devices that drive

inputs with pullups must be able to sink 20

µA while maintaining a logic-0 drive level. Devices that drive inputs with pulldowns must be

able to source 20

µA while maintaining a logic-1 drive level.

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