LTC1865IMS 查看數據表（PDF） - Linear Technology

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LTC1865IMS

µPower, 16-Bit, 250ksps 1- and 2-Channel ADCs in MSOP

Linear Technology 

LTC1864/LTC1865

RECOMMENDED OPERATING CONDITIONS The ● denotes specifications which apply over the

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

LTC1864/LTC1865

SYMBOL PARAMETER

CONDITIONS

MIN

TYP MAX UNITS

VCC

Supply Voltage

4.75

5.25

V

fSCK

Clock Frequency

●

20

MHz

H-Grade

●

16.7

MHz

tCYC

Total Cycle Time

16 • SCK + tCONV

μs

tSMPL

Analog Input Sampling Time

LTC1864 (Note 5)

LTC1865 (Note 5)

16

SCK

14

SCK

tsuCONV

Setup Time CONV↓ Before First SCK↑

(See Figure 1)

H-Grade

60

30

ns

65

30

ns

thDI

Hold Time SDI After SCK↑

LTC1865

15

ns

tsuDI

Setup Time SSDI Stable Before SCK↑

LTC1865

15

ns

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)

16

SCK

thCONV

Hold Time CONV Low After Last SCK↑

13

ns

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6

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