
ADATE305
Rev. 0 | Page 17 of 56
SERIAL PERIPHERAL INTERFACE
Table 10.
Parameter
Min
Typ
Max
Unit
Test
Level
Conditions/Comments
SERIAL PERIPHERAL INTERFACE
Serial Input Logic High
1.8
VCC
V
PF
Serial Input Logic Low
0
0.7
V
PF
Input Bias Current
10
1
+10
μA
P
Tested at 0.0 V and 3.3 V
SCLK Clock Rate
50
MHz
PF
SCLK Pulse Width
9
ns
CT
SCLK Crosstalk on DUTx Pin
8
mV
CB
PE disabled, PMU FV enabled and forcing 0 V
Serial Output Logic High
VCC 0.4
VCC
V
PF
Sourcing 2 mA
Serial Output Logic Low
0
0.8
V
PF
Sinking 2 mA
Update Time
10
μs
D
Maximum delay time required for the part to enter a stable state after
a serial bus command is loaded
HVOUT DRIVER
Table 11.
Parameter
Min
Typ
Max
Unit
Test
Level
Conditions/Comments
VHH BUFFER
VHH = (VT + 1 V) × 2 + DUTGND
Voltage Range
5.9
VPLUS 3.25
V
D
VPLUS = 16.75 V nominal; in this condition, VHVOUT max = 13.5
V
Output High
13.5
V
P
VHH mode enabled, RCV active, VHH level = full scale,
sourcing 15 mA
Output Low
5.9
V
P
VHH mode enabled, RCV active, VHH level = zero scale,
sinking 15 mA
Accuracy Uncalibrated
500
±100
+500
mV
P
VHH mode enabled, RCV active, VHVOUT error measured at
the calibration points of 7 V and 12 V
Offset Tempco
1
mV/°C
CT
Measured at calibration points
Resolution
1.21
1.5
mV
PF
VHH mode enabled, RCV active, after two-point gain/offset
calibration; range/number of DAC bits as measured at the
calibration points of 7 V and 12 V
INL
30
±15
+30
mV
P
VHH mode enabled, RCV active, after two-point gain/offset
calibration; measured over VHH range of 5.9 V to 13.5 V
DUTGND Voltage Accuracy
±1
mV
CT
Over ±0.1 V range; measured at end points of VHH
functional range
Output Resistance
1
10
P
VHH mode enabled, RCV active, source: VHH = 10.0 V,
IHVOUT= 0 mA and 15 mA; sink: VHH = 6.5 V, IHVOUT = 0 mA and
15 mA; V/I
DC Output Current Limit
Source
60
100
mA
P
VHH mode enabled, RCV active, VHH = 10.0 V, short HVOUT
pin to 5.9 V, measure current
DC Output Current Limit Sink
100
60
mA
P
VHH mode enabled, RCV active, VHH = 6.5 V, short HVOUT
pin to 14.1 V, measure current
Rise Time (From VL or VH to
VHH)
200
ns
CB
VHH mode enabled, toggle RCV, VHH = 13.5 V, VL = VH =
3.0 V; 20% to 80%, for DATA = high and DATA = low
Fall Time (From VHH to VL or
VH)
26
ns
CB
VHH mode enabled, toggle RCV, VHH = 13.5 V, VL = VH =
3.0 V; 20% to 80%, for DATA = high and DATA = low
Preshoot, Overshoot, and
Undershoot
±125
mV
CB
VHH mode enabled, toggle RCV, VHH = 13.5 V, VL = VH =
3.0 V; for DATA = high and DATA = low