Cirrus-logic CS4354 Manual do Utilizador descarregar pdf (Página 10)

10 DS895F2

CS4354

DIGITAL INTERFACE CHARACTERISTICS

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

INTERNAL POWER-ON RESET THRESHOLD VOLTAGES

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

Table 1. Power-On Reset Threshold Voltages

Figure 4. Power-On Reset Threshold Sequence

Parameters Symbol Min Typ Max Units

High-level input voltage 1.8 V VL  5.0 V V

0.7xVL - - V

Low-level input voltage 1.8 V VL  5.0 V V

- - 0.3xVL V

Input leakage current I

--±10A

Input capacitance - 8 - pF

Parameters Symbol Min Typ Max Units

Internal reset asserted at power-on

on1

-0.2-V

Internal reset released at power-on

on2

-3.6-V

Internal reset asserted at power-off

off

-3.1-V

on2

on1

off

GND

No Power

reset

undefined

reset

active

DAC

Ready

reset

active

reset

(internal)

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Cirrus-logic CS4354 Manual do Utilizador Página 10