CS8421

DS641PP1

7

Notes: 4. Power Down Mode is defined as RST = LOW with all clocks and data lines held static, except when a

crystal is attached across XTI-XTO, in which case the crystal will begin oscillating.

5. Normal operation is defined as RST = HI.

DIGITAL INPUT CHARACTERISTICS

Parameters

Symbol

Min

Typ

Max

Units

Power-down Mode (Note 4)

Supply Current in power down

VD

(Oscillator attached to XTI-XTO)

VL = 3.3 V

VL = 5.0 V

-

-

-

50

100

200

-

-

-

µA

µA

µA

Supply Current in power down

VD

(Crystal attached to XTI-XTO)

VL = 3.3 V

VL = 5.0 V

-

-

-

99.9

1.34

3.54

-

-

-

µA

mA

mA

Normal Operation (Note 5)

Supply Current at 48 kHz Fsi and Fso

VD

(Oscillator attached to XTI-XTO)

VL = 3.3 V

VL = 5.0 V

-

-

-

23.1

2.17

3.42

-

-

-

mA

mA

mA

Supply Current at 192 kHz Fsi and Fso

VD

(Oscillator attached to XTI-XTO)

VL = 3.3 V

VL = 5.0 V

-

-

-

78.7

7.7

12.49

-

-

-

mA

mA

mA

Supply Current at 48 kHz Fsi and Fso

VD

(Crystal attached to XTI-XTO)

VL = 3.3 V

VL = 5.0 V

-23.1

2.92

6.02

-mA

mA

mA

Supply Current at 192 kHz Fsi and Fso

VD

(Crystal attached to XTI-XTO)

VL = 3.3 V

VL = 5.0 V

-78.7

3.037

6.25

-mA

mA

mA

Parameters

Symbol

Min

Typ

Max

Units

Input Leakage Current

--

±10

µA

Input Capacitance

-8

-

pF

Input Hysteresis

-

250

-

mV

Parameters

Symbol

Min

Max

Units

High-Level Output Voltage, except MCLK_OUT and SDOUT

0.77xVL

-

V

Low-Level Output Voltage, except MCLK_OUT and SDOUT

-.6

V

High-Level Output Voltage, MCLK_OUT

0.77xVL

-

V

Low-Level Output Voltage, MCLK_OUT

-.6

V

High-Level Output Voltage, SDOUT

0.77xVL

-

V

Low-Level Output Voltage, SDOUT

-.6

V

High-Level Input Voltage

0.55xVL

VL+0.3

V

Low-Level Input Voltage

-0.3

0.8

V