AD2S1200YST datasheet(6/25 Pages) AD

6 / 25 page

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

DOS latched low when Sin/Cos amplitude mismatch

exceeds the threshold.

Angular Accuracy (Worst Case)

Degrees

DOS indicated before angular output error exceeds

limit.

Angular Latency (Worst Case)

Degrees

Maximum electrical rotation before DOS is indicated.

Time Latency

125

µs

LOT

Tracking Threshold

Degrees

LOT goes low when internal error signal exceeds

threshold. Guaranteed by design.

Time Latency

1.1

Hysteresis

Degrees

Guaranteed by design

VOLTAGE REFERENCE

REFOUT

2.39

2.47

2.52

±IOUT = 100 µA

Drift

ppm/°C

PSRR

−60

CHARGE PUMP OUTPUT (CPO)

Frequency

204.8

kHz

Square wave output

Duty Cycle

POWER SUPPLY

IDD Dynamic

ELECTRICAL CHARACTERISTICS

VIL Voltage Input Low

0.8

VIH Voltage Input High

2.0

VOL Voltage Output Low

0.4

2 mA load

VOH Voltage Output High

4.0

−1 mA load

IIL Low Level Input Current

µA

IIH High Level Input Current

−10

µA

IOZH High Level Three-State Leakage

−10

µA

IOZL Low Level Three-State Leakage

µA

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