Datasheet

AD2S1200
Rev. 0 | Page 5 of 24
Parameter Min Typ Max Unit Conditions/Comments
FAULT DETECTION BLOCK (CONT.)
DOS
Sin/Cos Threshold 4.0 4.09 4.2 V p-p DOS goes low when Sin or Cos exceeds threshold.
Sin/Cos Mismatch 385 420 mV
DOS latched low when Sin/Cos amplitude mismatch
exceeds the threshold.
Angular Accuracy (Worst Case) 30 Degrees
DOS indicated before angular output error exceeds
limit.
Angular Latency (Worst Case) 60 Degrees Maximum electrical rotation before DOS is indicated.
Time Latency 125 µs
LOT
Tracking Threshold 5 Degrees
LOT goes low when internal error signal exceeds
threshold. Guaranteed by design.
Time Latency 1.1 ms
Hysteresis 4 Degrees Guaranteed by design
VOLTAGE REFERENCE
REFOUT 2.39 2.47 2.52 V ±IOUT = 100 µA
Drift 70 ppm/°C
PSRR −60 dB
CHARGE PUMP OUTPUT (CPO)
Frequency 204.8 kHz Square wave output
Duty Cycle 50 %
POWER SUPPLY
I
DD
Dynamic 18 mA
ELECTRICAL CHARACTERISTICS
V
IL
Voltage Input Low 0.8 V
V
IH
Voltage Input High 2.0 V
V
OL
Voltage Output Low 0.4 V 2 mA load
V
OH
Voltage Output High 4.0 V −1 mA load
I
IL
Low Level Input Current 10 µA
I
IH
High Level Input Current −10 µA
I
OZH
High Level Three-State Leakage −10 µA
I
OZL
Low Level Three-State Leakage 10 µA