LTC1860CS8 datasheet(5/16 Pages) LINER

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LTC1860/LTC1861

18601fa

DIGITAL AND DC ELECTRICAL CHARACTERISTICS The ● denotes speciﬁcations which apply

over the full operating temperature range, otherwise speciﬁcations are TA = 25°C. VCC = 5V, VREF = 5V, unless otherwise noted.

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

IOZ

Hi-Z Output Leakage

CONV = VCC

±3

μA

ISOURCE

Output Source Current

VOUT = 0V

–25

ISINK

Output Sink Current

VOUT = VCC

IREF

Reference Current (LTC1860 SO-8,

MSOP and LTC1861 MSOP)

CONV = VCC

fSMPL = fSMPL(MAX)

0.001

0.05

0.1

μA

ICC

Supply Current

CONV = VCC After Conversion

CONV = VCC After Conversion, H-Grade

fSMPL = fSMPL(MAX)

0.001

0.85

1.3

μA

Power Dissipation

fSMPL = fSMPL(MAX)

1.25

RECOMMENDED OPERATING CONDITIONS The ● denotes speciﬁcations which apply over

the full operating temperature range, otherwise speciﬁcations are TA = 25°C.

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

VCC

Supply Voltage

4.75

5.25

fSCK

Clock Frequency

H-Grade

16.7

MHz

tCYC

Total Cycle Time

12 • SCK + tCONV

μs

tSMPL

Analog Input Sampling Time

LTC1860 (Note 5)

LTC1861 (Note 5)

SCK

tsuCONV

Setup Time CONV↓ Before First SCK↑,

(See Figure 1)

H-Grade

thDI

Holdtime SDI After SCK↑

LTC1861

tsuDI

Setup Time SDI Stable Before SCK↑

LTC1861

tWHCLK

SCK High Time

fSCK = fSCK(MAX)

40%

1/fSCK

tWLCLK

SCK Low Time

fSCK = fSCK(MAX)

40%

1/fSCK

tWHCONV

CONV High Time Between Data Transfer

Cycles

(Note 5)

tCONV

μs

tWLCONV

CONV Low Time During Data Transfer

(Note 5)

SCK

thCONV

Hold Time CONV Low After Last SCK↑

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