Analog Integrated Circuit Device Data

Freescale Semiconductor

9

33991

ELECTRICAL CHARACTERISTICS

STATIC ELECTRICAL CHARACTERISTICS

POWER OUTPUT AND CLOCK TIMINGS

SIN, COS Output Turn ON delay Time (time from rising CS enabling

outputs to steady state coil voltages and currents) (12)

—

—

1.0

mS

SIN, COS Output Turn OFF delay Time (time from rising CS disables

outputs to steady state coil voltages and currents) (12)

—

—

1.0

mS

Uncalibrated Oscillator Cycle Time

0.65

1.0

1.7

µS

Calibrated Oscillator Cycle Time (Cal pulse = 8 µs, PECR D4 is logic 0)

1.0

1.1

1.2

µS

Calibrated Oscillator Cycle Time (Cal pulse = 8 µs, PECR D4 is logic 1)

0.9

1.0

1.1

µS

Maximum Pointer Speed (13)

—

—

400

°C

Maximum Pointer Acceleration (13)

—

—

4500

Notes

12.

Maximum specified time for the 33991 is the minimum guaranteed time needed from the micro.

13.

The minimum and maximum value will vary proportionally to the internal clock tolerance. These are not 100 percent tested.

Table 3. Static Electrical Characteristics (continued)

Characteristic

Symbol

Min

Typ

Max

Unit