CS5504 データシートの表示（PDF） - Cirrus Logic

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CS5504

Low Power, 20-Bit A/D Converter

Cirrus Logic 

CS5504

CS5504

3.3V SWITCHING CHARACTERISTICS (TA = TMIN to TMAX; VA+ = 5V ± 10%; VD+ = 3.3V ±

5%; VA- = -5V ± 10%; Input Levels: Logic 0 = 0V, Logic 1 = VD+; CL = 50 pF.) (Note 2)

Parameter

Symbol Min

Typ

Max Units

Master Clock Frequency

Internal Oscillator

XIN

External Clock

fclk

Master Clock Duty Cycle

Rise Times:

Any Digital Input (Note 9) trise

Any Digital Output

Fall Times:

Any Digital Input (Note 9) tfall

Any Digital Output

Start-Up

Power-On Reset Period

Oscillator Start-up Time

Wake-up Period

Calibration

(Note 10) tres

XTAL = 32.768 kHz (Note 11) tosu

(Note 12) twup

CONV Pulse Width (CAL=1)

CONV and CAL High to Start of Calibration

Start of Calibration to End of Calibration

Conversion

(Note 13) tccw

tscl

tcal

Set Up Time

A0 to CONV High

tsac

Hold Time

A0 after CONV High

thca

CONV Pulse Widh

tcpw

CONV High to Start of Conversion

tscn

Set Up Time

BP/UP stable prior to DRDY falling tbus

Hold Time

BP/UP stable after DRDY falls tbuh

Start of Conversion to End of Conversion

(Note 14) tcon

30.0 32.768 53.0 kHz

30

-

330 kHz

40

-

60

%

-

-

1.0

µs

-

50

-

ns

-

-

1.0

µs

-

20

-

ns

-

10

-

ms

-

500

-

ms

-

1800/fclk

-

s

100

-

-

ns

-

-

2/fclk+200 ns

-

3246/fclk

-

s

50

-

-

ns

100

-

-

ns

100

-

-

ns

-

-

2/fclk+200 ns

82/fclk

-

-

s

0

-

-

ns

-

1624/fclk

-

s

DS126F12

5

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