Datasheet

AD8145
Rev. A | Page 4 of 24
Parameter Conditions Min Typ Max Unit
COMPARATOR PERFORMANCE
V
OH
R
L
= 1 kΩ 3.205 3.310 V
AD8145W only, T
MIN
to T
MAX
2.950 V
V
OL
R
L
= 1 kΩ 0.390 0.420 V
AD8145W only, T
MIN
to T
MAX
0.440 V
Input Offset Voltage ±2.5 mV
Hysteresis Width 18 mV
Input Bias Current 1.5 μA
Propagation Delay, t
PLH
6 ns
Propagation Delay, t
PHL
6 ns
Rise Time 10% to 90% 6 ns
Fall Time 10% to 90% 2 ns
POWER-DOWN PERFORMANCE
Power-Down V
IH
V
S+
− 1.65 V
Power-Down V
IL
V
S+
− 2.65 V
Power-Down I
IH
0.5 μA
Power-Down I
IL
−250 μA
Power-Down Assert Time 1 μs
POWER SUPPLY
Operating Range 4.5 11 V
Quiescent Current, Positive Supply 48.5 57.5 mA
AD8145W only, T
MIN
to T
MAX
70 mA
Disabled 16 19.5 mA
AD8145W only, T
MIN
to T
MAX
25 mA
Quiescent Current, Negative Supply −52 −43.5 mA
AD8145W only, T
MIN
to T
MAX
−65 mA
Disabled −13.9 −11 mA
AD8145W only, T
MIN
to T
MAX
−20 mA
PSRR, Positive Supply DC −79 −70 dB
AD8145W only, T
MIN
to T
MAX
−66 dB
PSRR, Negative Supply DC −68 −57 dB
AD8145W only, T
MIN
to T
MAX
−54 dB