Cirrus-logic CS42L56 Uživatelský manuál stáhnout pdf (Strana 27)

DS851F2 27

CS42L56

DIGITAL INTERFACE SPECIFICATIONS & CHARACTERISTICS

31. See “I/O Pin Characteristics” on page 10 for serial and control port power rails.

Parameters (Note 31) Symbol Min Max Units

Input Leakage Current I

-±10A

Input Capacitance -10pF

1.8 V - 3.3 V Logic

High-Level Output Voltage (I

= -100 A) V

VL - 0.2 - V

Low-Level Output Voltage (I

= 100 A) V

-0.2V

High-Level Input Voltage VL = 1.65 V

VL = 1.8 V

VL = 2.0 V

VL > 2.0 V

0.83•VL

0.76•VL

0.68•VL

0.65•VL

Low-Level Input Voltage V

-0.30•VLV

HPDETECT Input

High-Level Input Voltage HPDV

0.65•VA - V

Low-Level Input Voltage HPDV

- 0.35•VA V

VCP

GND/AGND

Voltmeter

1 

Power Supply

1 

VLDO

2.2 µF

0.1 µF

Note: Current is derived from the voltage drop across

a 1  resistor in series with each supply input.

Figure 12. Power Consumption Test Configuration

1 2 ... 22 23 24 25 26 27 28 29 30 31 32 ... 91 92

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Cirrus-logic CS42L56 Uživatelský manuál Strana 27