LTC2460CDD datasheet(4/20 Pages) LINER

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LTC2460/LTC2462

24602f

The

l denotes the speciﬁcations which apply over the full operating temperature

range,otherwise speciﬁcations are at TA = 25°C.

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

tCONV

Conversion Time

16.6

fSCK

SCK Frequency Range

MHz

tlSCK

SCK Low Period

250

thSCK

SCK High Period

250

CS Falling Edge to SDO Low Z

(Notes 7, 8)

100

CS Rising Edge to SDO High Z

(Notes 7, 8)

100

CS Falling Edge to SCK Falling Edge

100

tKQ

SCK Falling Edge to SDO Valid

(Note 7)

100

SDI Setup Before SCK

↑

(Note 3)

100

SDI Hold After SCK

↑

(Note 3)

100

Note 1: Stresses beyond those listed under Absolute Maximum Ratings

may cause permanent damage to the device. Exposure to any Absolute

Maximum Rating condition for extended periods may affect device

reliability and lifetime.

Note 2. All voltage values are with respect to GND. VCC = 2.7V to 5.5V

unless otherwise speciﬁed.

VREFCM = VREF/2, FS = VREF

VIN = VIN+ – VIN–, –VREF ≤ VIN ≤ VREF; VINCM = (VIN+ + VIN–)/2.

Note 3. Guaranteed by design, not subject to test.

Note 4. Integral nonlinearity is deﬁned as the deviation of a code from a

straight line passing through the actual endpoints of the transfer curve.

Guaranteed by design and test correlation.

Note 5:

CS = VCC. A positive current is ﬂowing into the DUT pin.

Note 6: SCK = VCC or GND. SDO is high impedance.

Note 7: See Figure 4.

Note 8: See Figure 5.

Note 9: Input sampling current is the average input current drawn from the

input sampling network while the LTC2460/LTC2462 is actively sampling

the input.

Note 10: A positive current is ﬂowing into the DUT pin.

Note 11: Temperature coefﬁcient is calculated by dividing the maximum

change in output voltage by the speciﬁed temperature range.

TIMING CHARACTERISTICS

The

l denotes the speciﬁcations which apply over the full

operating temperature range,otherwise speciﬁcations are at TA = 25°C. (Note 2)

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

VIH

High Level Input Voltage

l VCC – 0.3

VIL

Low Level Input Voltage

0.3

IIN

Digital Input Current

–10

μA

CIN

Digital Input Capacitance

VOH

High Level Output Voltage

IO = –800μA

l VCC – 0.5

VOL

Low Level Output Voltage

IO = 1.6mA

0.4

IOZ

Hi-Z Output Leakage Current

–10

μA

DIGITAL INPUTS AND DIGITAL OUTPUTS

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