Cirrus-logic CS4353 Manuel d'utilisateur télécharger pdf (Page 10)

10 DS803F3

CS4353

DIGITAL INTERFACE CHARACTERISTICS

Test conditions (unless otherwise specified): AGND = DGND = CPGND = 0 V; all voltages with respect to ground.

INTERNAL POWER-ON RESET THRESHOLD VOLTAGES

Test conditions (unless otherwise specified): AGND = DGND = CPGND = 0 V; all voltages with respect to ground.

Figure 2. Power-on Reset Threshold Sequence

Parameters Symbol Min Typ Max Units

High-Level Input Voltage 1.2 V <VL  3.3 V

0.9 V VL  1.2 V

0.7xVL

0.9xVL

Low-Level Input Voltage 1.2 V <VL  3.3 V

0.9 V VL  1.2 V

0.3xVL

0.1xVL

Input Leakage Current I

--±10A

Input Capacitance - 8 - pF

Parameters Symbol Min Typ Max Units

Internal Reset Asserted at Power-On

on1

-1.00- V

Internal Reset Released at Power-On

on2

-2.36- V

Internal Reset Asserted at Power-Off

off

-2.22- V

VCP

on2

on1

off

DGND

No Power

reset

undefined

reset

active

DAC

Ready

reset

active

reset

(internal)

1 2 ... 5 6 7 8 9 10 11 12 13 14 15 ... 24 25

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Cirrus-logic CS4353 Manuel d'utilisateur Page 10

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