AD7689ACPZRL7 datasheet(6/28 Pages) AD

Il numero della parte	AD7689ACPZRL7

Spiegazioni elettronici	16-Bit, 4-Channel/8-Channel, 250 kSPS PulSAR ADC

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Produttore elettronici	AD [Analog Devices]

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AD7682/AD7689

Rev. 0 | Page 6 of 28

TIMING SPECIFICATIONS

VDD = 4.5 V to 5.5 V, VIO = 2.3 V to VDD, all specifications TMIN to TMAX, unless otherwise noted.

Table 3. 1

Parameter

Symbol

Min

Typ

Max

Unit

Conversion Time: CNV Rising Edge to Data Available

tCONV

2.2

μs

Acquisition Time

tACQ

1.8

μs

Time Between Conversions

tCYC

4

μs

CNV Pulse Width

tCNVH

10

ns

Data Write/Read During Conversion

tDATA

1.4

μs

SCK Period

tSCK

15

ns

SCK Low Time

tSCKL

7

ns

SCK High Time

tSCKH

7

ns

SCK Falling Edge to Data Remains Valid

tHSDO

4

ns

SCK Falling Edge to Data Valid Delay

tDSDO

VIO Above 4.5 V

16

ns

VIO Above 3 V

17

ns

VIO Above 2.7 V

18

ns

VIO Above 2.3 V

19

ns

CNV Low to SDO D15 MSB Valid

tEN

VIO Above 4.5 V

15

ns

VIO Above 3 V

17

ns

VIO Above 2.7 V

18

ns

VIO Above 2.3 V

22

ns

CNV High or Last SCK Falling Edge to SDO High Impedance

tDIS

25

ns

CNV Low to SCK Rising Edge

tCLSCK

10

ns

DIN Valid Setup Time from SCK Falling Edge

tSDIN

4

ns

DIN Valid Hold Time from SCK Falling Edge

tHDIN

4

ns

1 See Figure 2 and Figure 3 for load conditions.

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