CS5501-SD datasheet(7/54 Pages) CIRRUS

7 / 54 page

Notes: 14. CLKIN must be supplied whenever the CS5501 or CS5503 is not in SLEEP mode. If no clock is

present when not in SLEEP mode, the device can draw higher current than specified

and possibly become uncalibrated.

15. The CS5501/CS5503 is production tested at 4.096 MHz. It is guaranteed by characterization

to operate at 200 kHz.

16. Specified using 10% and 90% points on waveform of interest.

17. In order to synchronize several CS5501’s or CS5503’s together using the SLEEP pin,

this specification must be met.

SWITCHING CHARACTERISTICS (TA = Tmin to Tmax; CLKIN=4.096 MHz; VA+, VD+ = 5V±10%;

VA-, VD- = -5V

± 10%; Input Levels: Logic 0 = 0V, Logic 1 = VD+; CL = 50 pF; unless otherwise specified.)

Parameter

Symbol

Min

Typ

Max

Units

Master Clock Frequency:

Internal Gate Oscillator

(See Table 1)

Externally Supplied:

(Note 14)

Maximum

Minimum

(Note 15)

CLKIN

200

4096

5000

kHz

CLKIN Duty Cycle

Rise Times:

Any Digital Input

Any Digital Output

(Note 16)

trise

1.0

µs

Fall Times:

Any Digital Input

Any Digital Output

(Note 16)

tfall

1.0

µs

Set Up Times:

SC1, SC2 to CAL Low

SLEEP High to CLKIN High (Note 17)

tscs

tsls

100

µs

Hold Time:

SC1, SC2 hold after CAL falls

tsch

100

RECOMMENDED OPERATING CONDITIONS (AGND, DGND = 0V) (Note 12)

Parameter

Symbol

Min

Typ

Max

Units

DC Power Supplies:

Positive Digital

Negative Digital

Positive Analog

Negative Analog

VD+

VD-

VA+

VA-

4.5

-4.5

4.5

-4.5

5.0

-5.0

5.0

-5.0

VA+

-5.5

5.5

-5.5

Analog Reference Voltage

VREF

1.0

2.5

3.0

Analog Input Voltage:

(Note 13)

Unipolar

Bipolar

VAIN

AGND

-VREF

VREF

Notes: 12. All voltages with respect to ground.

13. The CS5501 and CS5503 can accept input voltages up to the analog supplies (VA+ and VA-). They

will accurately convert and filter signals with noise excursions up to 100mV beyond

|VREF|.

After filtering, the devices will output all 1’s for any input above VREF and all 0’s for any input below

AGND in unipolar mode and -VREF in bipolar mode.

CS5501/CS5503

DS31F2

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