LTC2483 datasheet(3/20 Pages) LINER

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LTC2450-1

24501fb

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.

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. The deviation is measured from the center of the quantization

band. Guaranteed by design, test correlation and 3 point transfer curve

measurement.

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

VCC

Supply Voltage

2.7

5.5

ICC

Supply Current

Conversion

Sleep

CS = GND (Note 6)

CS = VCC (Note 6)

350

0.05

600

0.5

μA

The

l denotes the speciﬁcations which apply over the full

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

POWER REQUIREMENTS

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

The

l denotes the speciﬁcations which apply over the full operating temperature

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

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)

0100

CS Rising Edge to SDO High Z

(Notes 7, 8)

0100

CS Falling Edge to SCK Falling Edge

100

tKQ

SCK Falling Edge to SDO Valid

(Note 7)

0100

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 3.

Note 8: See Figure 4.

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

the input sampling network while the LTC2450-1 is actively sampling the

input.

DIGITAL INPUTS AND DIGITAL OUTPUTS

TIMING CHARACTERISTICS

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