7906 datasheet(516/531 Pages) RENESAS

516 / 531 page

7906 Group User’s Manual Rev.2.0

20-111

APPENDIX

Appendix 9. M37906M4C-XXXFP electrical characteristics

Resolution

Absolute accuracy

Ladder resistance

Conversion time

Reference voltage

Analog input voltage

—————

RLADDER

tCONV

VREF

VIA

VREF = VCC

f(fsys)

≤ 20 MHz

Max.

A-D CONVERTER CHARACTERISTICS

(VCC = AVCC = 5 V ± 0.5 V, VSS = AVSS = 0 V, Ta = –20 to 85 °C, unless otherwise noted)

Unit

Parameter

Symbol

Test conditions

Limits

Min.

10-bit resolution mode

8-bit resolution mode

Comparater

10-bit resolution mode

8-bit resolution mode

Comparater

5.9

2.45 (Note)

0.7 (Note)

2.7

± 3

± 2

± 40

VCC

VREF

Bits

LSB

Ω

µs

Note: This is applied when A-D conversion freguency (

φAD) = f1 (φ).

D-A CONVERTER CHARACTERISTICS

(VCC = 5 V, VSS = AVSS = 0 V, VREF = 5 V, Ta = –20 to 85 °C, unless otherwise noted)

Unit

Parameter

Symbol

Limits

Typ.

Min.

Max.

Test conditions

Resolution

Absolute accuracy

Set time

Output resistance

Reference power source input current

——

tsu

IVREF

(Note)

3.5

± 1.0

4.5

3.2

Bits

µs

Ω

Note: The test conditions are as follows:

• One D-A converter is used.

• The D-A register value of the unused D-A converter is “0016.”

• The reference power source input current for the ladder resistance of the A-D converter is excluded.

µs

RESET input low-level pulse width

tw(RESETL)

Symbol

Parameter

Min.

Limits

Unit

RESET INPUT

Reset input timing requirements (VCC = 5 V ± 0.5 V, VSS = 0V, Ta = –20 to 85 °C, unless otherwise noted)

Max.

Typ.

RESET input

tw(RESETL)

A-D converter

Comparator

256

VREF

Typ.

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