80C196KC データシートの表示（PDF） - Rochester Electronics

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80C196KC

POWERFUL MICROCONTROLLER for use in the automotive market

Rochester Electronics 

8XC196KC/8XC196KC20

A to D CHARACTERISTICS

The A/D converter is ratiometric, so absolute accuracy is dependent on the accuracy and stability of VREF.

10-BIT MODE A/D OPERATING CONDITIONS

Symbol

Description

TA

TA

VCC

VREF

TSAM

TCONV

FOSC

FOSC

Ambient Temperature Commercial Temp.

Ambient Temperature Extended Temp.

Digital Supply Voltage

Analog Supply Voltage

Sample Time

Conversion Time

Oscillator Frequency (8XC196KC)

Oscillator Frequency (8XC196KC20)

NOTE:

ANGND and VSS should nominally be at the same potential, 0.00V.

1. The value of AD_TIME is selected to meet these specifications.

Min

0

b40

4.50

4.00

1.0

10

8.0

8.0

Max

a70

a85

5.50

5.50

20

16.0

20.0

Units

C

C

V

V

ms(1)

ms(1)

MHz

MHz

10-BIT MODE A/D CHARACTERISTICS (Over Specified Operating Conditions)

Parameter

Typical (1)

Minimum Maximum

Units

Resolution

Absolute Error

Full Scale Error

Zero Offset Error

Non-Linearity

Differential Non-Linearity Error

Channel-to-Channel Matching

Repeatability

Temperature Coefficients:

Offset

Full Scale

Differential Non-Linearity

Off Isolation

Feedthrough

VCC Power Supply Rejection

Input Series Resistance

Voltage on Analog Input Pin

DC Input Leakage

Sampling Capacitor

0.25 g 0.5

0.25 g 0.5

1.0 g 2.0

g0.1

g0.25

0.009

0.009

0.009

b60

b60

3

1024

10

0

0

lb1

0

b60

750

ANGND b 0.5

0

1024

10

g3

g3

a2

g1

1.2K

VREF a 0.5

g3.0

Levels

Bits

LSBs

LSBs

LSBs

LSBs

LSBs

LSBs

LSBs

LSB/ C

LSB/ C

LSB/ C

dB

dB

dB

X

V

mA

pF

*Notes

1, 2

1

1

4

5, 6

NOTES:

An ``LSB'' as used here has a value of approxiimately 5 mV. (See Embedded Microcontrollers and Processors Handbook

for A/D glossary of terms).

1. These values are expected for most parts at 25 C but are not tested or guaranteed.

2. DC to 100 KHz.

3. Multiplexer Break-Before-Make is guaranteed.

4. Resistance from device pin, through internal MUX, to sample capacitor.

5. These values may be exceeded if the pin current is limited to g2 mA.

6. Applying voltages beyond these specifications will degrade the accuracy of all channels being converted.

7. All conversions performed with processor in IDLE mode.

19

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