LTC2413 datasheet(5/44 Pages) LINER

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LTC2413

sn2413 2413fs

Note 1: Absolute Maximum Ratings are those values beyond which the

life of the device may be impaired.

Note 2: All voltage values are with respect to GND.

Note 3: VCC = 2.7V to 5.5V unless otherwise specified.

VREF = REF

+ – REF–, VREFCM = (REF+ + REF–)/2;

VIN = IN+ – IN–, VINCM = (IN+ + IN–)/2.

Note 4: FO pin tied to GND or to external conversion clock source with

fEOSC = 139800Hz unless otherwise specified.

Note 5: Guaranteed by design, not subject to test.

Note 6: Integral nonlinearity is defined as the deviation of a code from

a straight line passing through the actual endpoints of the transfer

curve. The deviation is measured from the center of the quantization

band.

Note 7: FO = 0V (internal oscillator) or fEOSC = 139800Hz ±2%

(external oscillator).

Note 8: The converter is in external SCK mode of operation such that

the SCK pin is used as digital input. The frequency of the clock signal

driving SCK during the data output is fESCK and is expressed in kHz.

Note 9: The converter is in internal SCK mode of operation such that

the SCK pin is used as digital output.

Note 10: The external oscillator is connected to the FO pin. The external

oscillator frequency, fEOSC, is expressed in kHz.

Note 11: The converter uses the internal oscillator. FO = 0V.

Note 12: The output noise includes the contribution of the internal

calibration operations.

Note 13: Guaranteed by design and test correlation.

fEOSC

External Oscillator Frequency Range

2.56

2000

kHz

tHEO

External Oscillator High Period

0.25

390

µs

tLEO

External Oscillator Low Period

0.25

390

µs

tCONV

Conversion Time

FO = 0V

146.71

External Oscillator (Note 10)

20510/fEOSC (in kHz)

fISCK

Internal SCK Frequency

Internal Oscillator (Note 9)

17.5

kHz

External Oscillator (Notes 9, 10)

fEOSC/8

kHz

DISCK

Internal SCK Duty Cycle

(Note 9)

fESCK

External SCK Frequency Range

(Note 8)

2000

kHz

tLESCK

External SCK Low Period

(Note 8)

250

tHESCK

External SCK High Period

(Note 8)

250

tDOUT_ISCK

Internal SCK 32-Bit Data Output Time

Internal Oscillator (Notes 9, 11)

1.80

1.83

1.86

External Oscillator (Notes 9, 10)

256/fEOSC (in kHz)

tDOUT_ESCK

External SCK 32-Bit Data Output Time

(Note 8)

32/fESCK (in kHz)

↓ to SDO Low Z

200

↑ to SDO Hi-Z

200

↓ to SCK ↓

(Note 9)

200

↓ to SCK ↑

(Note 8)

tKQMAX

SCK

↓ to SDO Valid

220

tKQMIN

SDO Hold After SCK

↓

(Note 5)

SCK Set-Up Before CS

↓

SCK Hold After CS

↓

The q denotes specifications which apply over the full operating temperature

range, otherwise specifications are at TA = 25°C. (Note 3)

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

TI I G CHARACTERISTICS

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