EVAL-AD7685SDZ Analog Devices, EVAL-AD7685SDZ Datasheet - Page 5
![no-image](/images/manufacturer_photos/0/0/56/analog_devices_sml.jpg)
EVAL-AD7685SDZ
Manufacturer Part Number
EVAL-AD7685SDZ
Description
Data Conversion IC Development Tools Eval Board16-Bit 250 KSPS Serial MSOP
Manufacturer
Analog Devices
Type
ADCr
Series
AD7685r
Datasheet
1.EVAL-AD7685SDZ.pdf
(28 pages)
Specifications of EVAL-AD7685SDZ
Rohs
yes
Product
Evaluation Boards
Tool Is For Evaluation Of
AD7685
Interface Type
SPI
Operating Supply Voltage
2.3 V to 5.5 V
Maximum Operating Temperature
+ 85 C
Minimum Operating Temperature
- 40 C
Factory Pack Quantity
1
TIMING SPECIFICATIONS
−40°C to +85°C, VIO = 2.3 V to 5.5 V or VDD + 0.3 V, whichever is the lowest, unless otherwise stated.
Table 4. VDD = 4.5 V to 5.5 V
Parameter
Conversion Time: CNV Rising Edge To Data Available
Acquisition Time
Time Between Conversions
CNV Pulse Width (CS Mode)
SCK Period (CS Mode)
SCK Period (Chain Mode)
SCK Low Time
SCK High Time
SCK Falling Edge to Data Remains Valid
SCK Falling Edge to Data Valid Delay
CNV or SDI Low to SDO D15 MSB Valid (CS Mode)
CNV or SDI High or Last SCK Falling Edge to SDO High Impedance (CS Mode)
SDI Valid Setup Time from CNV Rising Edge (CS Mode)
SDI Valid Hold Time from CNV Rising Edge (CS Mode)
SCK Valid Setup Time from CNV Rising Edge (Chain Mode)
SCK Valid Hold Time from CNV Rising Edge (Chain Mode)
SDI Valid Setup Time from SCK Falling Edge (Chain Mode)
SDI Valid Hold Time from SCK Falling Edge (Chain Mode)
SDI High to SDO High (Chain Mode with Busy Indicator)
1
See Figure 3 and Figure 4 for load conditions.
VIO Above 4.5 V
VIO Above 3 V
VIO Above 2.7 V
VIO Above 2.3 V
VIO Above 4.5 V
VIO Above 3 V
VIO Above 2.7 V
VIO Above 2.3 V
VIO Above 4.5 V
VIO Above 2.7 V
VIO Above 2.3 V
VIO Above 4.5 V
VIO Above 2.3 V
1
Rev. C | Page 5 of 28
Symbol
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
CONV
ACQ
CYC
CNVH
SCK
SCK
SCKL
SCKH
HSDO
DSDO
EN
DIS
SSDICNV
HSDICNV
SSCKCNV
HSCKCNV
SSDISCK
HSDISCK
DSDOSDI
Min
0.5
1.8
4
10
15
17
18
19
20
7
7
5
15
0
5
5
3
4
Typ
Max
2.2
14
15
16
17
15
18
22
25
15
26
AD7685
Unit
μs
μs
μs
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns