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AD2S1205 Datasheet(PDF) 5 Page - Analog Devices

Part No. AD2S1205
Description  12-Bit R/D Converter with Reference Oscillator
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Maker  AD [Analog Devices]
Homepage  http://www.analog.com
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AD2S1205 Datasheet(HTML) 5 Page - Analog Devices

 
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Preliminary Technical Data
AD2S1205
Rev. PrB | Page 5 of 25
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)
33
Degrees
DOS indicated before angular output error exceeds
limit.
Angular Latency (Worst Case)
66
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
IDD Dynamic
18
mA
ELECTRICAL CHARACTERISTICS
VIL Voltage Input Low
0.8
V
VIH Voltage Input High
2.0
V
VOL Voltage Output Low
0.4
V
2 mA load
VOH Voltage Output High
4.0
V
−1 mA load
IIL Low Level Input Current
10
μA
IIH High Level Input Current
−10
μA
IOZH High Level Three-State Leakage
−10
μA
IOZL Low Level Three-State Leakage
10
μA


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