Analog Integrated Circuit Device Data

12

Freescale Semiconductor

34921

STATIC ELECTRICAL CHARACTERISTICS

Analog Encoder Interface Current-to-Voltage Conversion Stage

Minimum Offset Current

-6.0

-8.0

-10

Midpoint Offset Current

-0.5

0.0

0.5

Maximum Offset Current

6.0

8.0

10

Offset Step Size (1 LSB)

0.25

0.5

0.75

Analog-to-Digital Converter

Resolution, No Missing Codes

ADC

–

–

8.0

Bits

Measurement Range for Correct Conversion

IMR

0.0

–

5.0

V

Linearity Error (16)

Over Input Voltage Range of 4% to 96% Ideal Measurement Range

(IMR) max. Over Time and Temperature (14), (15)

–

0.4

±1.0 LSB

–

Input Leakage Current (ANx)

Channel Not Selected

–

0.1

10

Notes

14.

Errors include effects of multiplexer and sample and hold circuitry, including droop.

15.

The Linearity Error is the worst case error caused by the differential and integral nonlinearity.

16.

An LSB (least significant bit) is defined as follows:

17.

Table 3. Static Electrical Characteristics (continued)

Characteristic

Symbol

Min

Typ

Max

Unit

LSB =

IMR

Volts

Where:

IMR is the Ideal Measurement Range.

#BITS is the resolution of the ADC.