
ADATE304
Rev. 0 | Page 8 of 52
Parameter
Min
Typ
Max
Unit
Test
Level
Test Conditions/Comments
Comparator Uncertainty Range
6.0
mV
CB
VDUTx = 0 V, sweep comparator threshold to
determine uncertainty region
DC Hysteresis
0.5
mV
CB
VDUTx = 0 V
DC PSRR
±5
mV/V
CT
Measured at calibration points
Digital Output Characteristics
Internal Pull-Up Resistance to
Comparator, COMP_VTT Pin
40
50
60
Ω
P
Pull 1 mA and 10 mA from Logic 1 leg and
measure ΔV to calculate resistance; measured
ΔV/9 mA; done for both comparator logic
states
VCOMP_VTT Range
3.3
5.0
V
D
Common-Mode Voltage
VCOMP_VTT 1.88
V
CT
Measured with 100 Ω differential termination
VCOMP_VTT 2.075
VCOMP_VTT 1.675
V
P
Measured with no external termination
Differential Voltage
250
mV
CT
Measured with 100 Ω differential termination
400
500
600
mV
P
Measured with no external termination
Rise/Fall Time, 20% to 80%
450
ps
CB
Measured with each comparator leg
terminated 50 Ω to GND
AC SPECIFICATIONS
Input transition time = 800 ps, 10% to 90%;
measured with each comparator leg
terminated 50 Ω to GND, unless otherwise
specified
Propagation Delay, Input to
Output
1.75
ns
CB
VDUTx = 0 V to 1.0 V swing, Driver VTERM
mode, VT = 0.0 V; high-side measurement:
VOH = +0.50 V, VOL = 1.25 V; low-side
measurement: VOH = +6.75 V, VOL = +0.50 V
Propagation Delay Tempco
5
ps/°C
CT
VDUTx = 0 V to 1.0 V swing, Driver VTERM
mode, VT = 0.0 V; high-side measurement:
VOH = +0.50 V, VOL = 1.25 V; low-side
measurement: VOH = +6.75 V, VOL = +0.50 V
Propagation Delay Matching
VDUTx = 0 V to 1.0 V swing, Driver VTERM
mode, VT = 0.0 V; high-side measurement:
VOH = +0.50 V, VOL = 1.25 V; low-side
measurement: VOH = +6.75 V, VOL = +0.50 V
High Transition to Low
Transition
200
ps
CB
High to Low Comparator
50
ps
CB
Propagation Delay Change (with
Respect To)
Slew Rate, 800 ps, 1 ns, 1.2 ns,
and 2.2 ns (10% to 90%)
50
ps
CB
VDUTx = 0 V to 1.0 V swing, Driver VTERM
mode, VT = 0.0 V; high-side measurement:
VOH = +0.50 V, VOL = 1.25 V; low-side
measurement: VOH = +6.75V, VOL = +0.50 V
Overdrive, 250 mV and 1.0 V
75
ps
CB
For 250 mV: VDUTx = 0 V to 0.5 V swing; for
1.0 V: VDUTx = 0 V to 1.25 V swing; Driver
VTERM mode, VT = 0.0 V; high-side
measurement: VOH = +0.25 V, VOL = 1.25
V; low-side measurement: VOH = +6.75 V,
VOL = +0.25 V
Pulse Width, Sweep 1.6 ns to
10 ns
75
ps
CB
VDUTx = 0 V to 1.0 V swing @ 32.0 MHz,
Driver VTERM mode, VT = 0.0 V; high-side
measurement: VOH = +0.5 V, VOL = 1.25 V;
low-side measurement: VOH = +6.75 V,
VOL = +0.5 V
Duty Cycle, 5% to 95%
50
ps
CB
VDUTx = 0 V to 1.0 V swing @ 1.0 MHz, Driver
VTERM mode, VT =0.0 V; high-side
measurement: VOH = +0.50 V, VOL = 1.25
V; low-side measurement: VOH = +6.75 V,
VOL = +0.50 V
Minimum Pulse Width
2.0
ns
CB
VDUTx = 0 V to 1.0 V swing, Driver VTERM
mode, VT = 0.0 V; less than 12% amplitude
degradation measured by shmoo
Input Equivalent Bandwidth,
Terminated
500
MHz
CB
VDUTx = 0 V to 1.0 V swing, Driver VTERM
mode, VT = 0.0 V; as measured by shmoo
ERT High-Z Mode, 3 V, 20%
to 80%
2.5
ns
CB
VDUTx = 0 V to 3.0 V swing, driver high-Z; as
measured by shmoo; input transition time of
~2000 ps, 10% to 90%