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ELECTRICAL CHARACTERISTICS

TAS3308

DIGITAL AUDIO PROCESSOR

WITH ANALOG INTERFACE

SLES215A – FEBRUARY 2008 – REVISED MARCH 2008

over operating free-air temperature range (unless otherwise noted)

PARAMETER

MEASUREMENT

TEST CONDITIONS

MIN

MAX

UNITS

3.3 V TTL

2.4

V

V

High-level output voltage

1.8 V LVCMOS

1.197

V

(XTL_OUT)

3.3 V TTL

0.5

V

0.2

V

Low-level output voltage

1.8 V LVCMOS

0.585

V

(XTL_OUT)

3.3 V TTL

±20

µA

High-impedance output

current

Driver only, driver disable

±20

µA

3.3 V TTL

±1

µA

±1

µA

(1)

Low-level input current

1.8 V LVCMOS

±1

µA

(XTL_IN)

1.8 V LVCMOS

±1

µA

(XTL_IN)

(2)

High-level input current

±1

µA

3.3 V TTL

±1

µA

DSP clock = 135 MHz

Digital supply current

LRCLKIN/LRCLKOUT = 48 KHz,

160

mA

XTALI = 24.576 MHz

Analog supply current

DSP clock = 135 MHz

LRCLKIN/LRCLKOUT = 48 KHz,

40

mA

XTALI = 24.576 MHz

Digital supply current

RESET = LOW

100

mA

Analog supply current

RESET = LOW

10

mA

(1)

Value given is for those input pins that connect to an internal pullup resistor as well as an input buffer. For inputs that have a pulldown

(2)

Value given is for those input pins that connect to an internal pulldown resistor as well as an input buffer. For inputs that have a pullup

6

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