AD4001 Datasheet, PDF (7/34 Pages) Analog Devices – 16-Bit, 2 MSPS, Precision SAR, Differential ADC

AD4001
Data Sheet
Table 3. Register Read/Write Timing
Parameter
READ/WRITE OPERATION
CNV Pulse Width¹
SCK Period
VIO > 2.7 V
VIO > 1.7 V
SCK Low Time
SCK High Time
READ OPERATION
CNV Low to SDO D15 MSB Valid Delay
VIO > 2.7 V
VIO > 1.7 V
SCK Falling Edge to Data Remains Valid
SCK Falling Edge to Data Valid Delay
VIO >2.7 V
VIO >1.7 V
CNV Rising Edge to SDO High Impedance
WRITE OPERATION
SDI Valid Setup Time from SCK Rising Edge
SDI Valid Hold Time from SCK Rising Edge
CNV Rising Edge to SCK Edge Hold Time
CNV Falling Edge to SCK Active Edge Setup Time
1 _{For turbo mode, tCNVH must match the tQUIET1 minimum.}
Symbol
tCNVH
tSCK
tSCKL
tSCKH
tEN
tHSDO
tDSDO
tDIS
tSSDISCK
tHSDISCK
tHCNVSCK
tSCNVSCK
Min
Typ
Max
Unit
10
ns
9.8
ns
12.3
ns
3
ns
3
ns
10
ns
13
ns
1.5
ns
7.5
ns
10.5
ns
20
ns
2
ns
2
ns
0
ns
6
ns
Table 4. Achievable Throughput for Different Modes of Operation
Parameter
Test Conditions/Comments
THROUGHPUT, CS MODE
3-Wire and 4-Wire Turbo Mode
fSCK = 100 MHz, VIO ≥ 2.7 V
fSCK = 80 MHz, VIO < 2.7 V
3-Wire and 4-Wire Turbo Mode and Six Status Bits
fSCK = 100 MHz, VIO ≥ 2.7 V
fSCK = 80 MHz, VIO < 2.7 V
3-Wire and 4-Wire Mode
fSCK = 100 MHz, VIO ≥ 2.7 V
fSCK = 80 MHz, VIO < 2.7 V
3-Wire and 4-Wire Mode and Six Status Bits
fSCK = 100 MHz, VIO ≥ 2.7 V
fSCK = 80 MHz, VIO < 2.7 V
Min Typ Max Unit
2
MSPS
2
MSPS
2
MSPS
1.86 MSPS
1.82 MSPS
1.69 MSPS
1.64 MSPS
1.5 MSPS
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