CS42428 datasheet(14/73 Pages) CIRRUS

14 / 73 page

DS605F1

CS42428

DC ELECTRICAL CHARACTERISTICS

(TA = 25° C; AGND=DGND=0, all voltages with respect to ground; OMCK=12.288 MHz; Master Mode)

Notes:

22. Current consumption increases with increasing FS and increasing OMCK. Max values are based on

highest FS and highest OMCK. Variance between speed modes is negligible.

23. ILC measured with no external loading on the SDA pin.

24. Power-Down Mode is defined as RST pin = Low with all clock and data lines held static.

25. Valid with the recommended capacitor values on FILT+ and VQ as shown in Figure 5.

Parameter

Symbol

Min

Typ

Max

Units

Power Supply Current

normal operation, VA = 5 V

(Note 22)

VD = 5 V

VD = 3.3 V

Interface current, VLC=5 V (Note 23)

VLS=5 V

power-down state (all supplies) (Note 24)

ILC

ILS

Ipd

250

µA

Power Consumption

(Note 22)

VA=5 V, VD=VLS=VLC=3.3 V

normal operation

power-down (Note 24)

VA=5 V, VD=VLS=VLC=5 V

normal operation

power-down (Note 24)

587

1.25

866

1.25

650

960

Power Supply Rejection Ratio (Note 25)

(1 kHz)

(60 Hz)

PSRR

VQ Nominal Voltage

VQ Output Impedance

VQ Maximum allowable DC current

2.7

0.01

Ω

FILT+ Nominal Voltage

FILT+ Output Impedance

FILT+ Maximum allowable DC current

5.0

0.01

Ω

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