4513 datasheet(173/210 Pages) RENESAS

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APPENDIX

3.1 Electrical characteristics

3-6

4513/4514 Group User’s Manual

3.1.4 A-D converter recommended operating conditions

Table 3.1.5 A-D converter recommended operating conditions

(Comparator mode included, Ta = –20 °C to 85 °C, unless otherwise noted)

Symbol

VDD

VIA

f(XIN)

Parameter

Supply voltage

Analog input voltage

Oscillation frequency

Table 3.1.6 A-D converter characteristics

(Ta = –20 °C to 85 °C, unless otherwise noted)

Conditions

Unit

MHz

Middle-speed mode, VDD

≥ 2.7 V

High-speed mode, VDD

≥ 2.7 V

Min.

2.7

0.8

0.4

Typ.

Max.

5.5

VDD

Limits

Symbol

–

V0T

VFST

IADD

TCONV

–

Parameter

Resolution

Linearity error

Differential non-linearity error

Zero transition voltage

Full-scale transition voltage

A–D operating current

A-D conversion time

Comparator resolution

Comparator error (Note)

Comparator comparison time

Test conditions

Unit

bits

LSB

µs

bits

µs

Ta = 25 °C, VDD = 2.7 V to 5.5 V

Ta = –25 °C to 85 ° C, VDD = 3.0 V to 5.5 V

Ta = 25 °C, VDD = 2.7 V to 5.5 V

Ta = –25 °C to 85 ° C, VDD = 3.0 V to 5.5 V

VDD = 5.12 V

VDD = 3.072 V

VDD = 5.12 V

VDD = 3.072 V

VDD = 5.0 V

VDD = 3.0 V

f(XIN) = 4.0 MHz, Middle-speed mode

f(XIN) = 4.0 MHz, High-speed mode

Comparator mode

VDD = 5.12 V

VDD = 3.072 V

f(XIN) = 4.0 MHz, Middle-speed mode

f(XIN) = 4.0 MHz, High-speed mode

Min.

5105

3060

Typ.

5115

3069

0.7

0.2

Max.

±2

±0.9

5125

3075

2.0

0.4

93.0

46.5

±20

±15

Limits

f(XIN) = 0.4 MHz to 4.0 MHz

f(XIN) = 0.4 MHz to 2.0 MHz

Note: As for the error from the ideal value in the comparator mode, when the contents of the comparator register is n, the logic value of the comparison volt-

age Vref which is generated by the built-in DA converter can be obtained by the following formula.

Logic value of comparison voltage Vref

Vref =

! n

n = Value of register AD (n = 0 to 255)

VDD

256

3.1.5 Voltage drop detection circuit characteristics

Table 3.1.7 Voltage drop detection circuit characteristics

(Ta = –20 °C to 85 °C, unless otherwise noted)

Test conditions

Ta = 25 °C

VDD = 5.0 V

Parameter

Detection voltage

Operation current of voltage

drop detection circuit

Symbol

VRST

IRST

Limits

Unit

µA

Min.

2.7

3.3

Typ.

3.5

Max.

4.1

3.7

100

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