R8C3GA datasheet(30/56 Pages) RENESAS

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R8C/3GA Group

5. Electrical Characteristics

REJ03B0235-0110 Rev.1.10 Sep. 10, 2009

Page 30 of 53

Notes:

VCC/AVCC = Vref = 2.7 to 5.5 V at Topr =

−20 to 85°C (N version) / −40 to 85°C (D version), unless otherwise specified.

This applies when one D/A converter is used and the value of the DAi register (i = 0 or 1) for the unused D/A converter is 00h.

The resistor ladder of the A/D converter is not included.

Notes:

VCC = 2.7 to 5.5 V, Topr =

−20 to 85°C (N version) / −40 to 85°C (D version), unless otherwise specified.

When the digital filter is disabled.

Notes:

VCC = 2.7 to 5.5 V, Topr =

−20 to 85°C (N version) / −40 to 85°C (D version), unless otherwise specified.

When the digital filter is disabled.

Table 5.4

D/A Converter Characteristics (1)

Symbol

Parameter

Conditions

Standard

Unit

Min.

Typ.

Max.

−

Resolution

−−

8Bit

−

Absolute accuracy

−−

2.5

LSB

tsu

Setup time

−−

µs

Output resistor

−

Ω

IVref

Reference power input current

(Note 2)

−−

1.5

Table 5.5

Comparator A Electrical Characteristics

Symbol

Parameter

Condition

Standard

Unit

Min.

Typ.

Max.

LVREF

External reference voltage input range

1.4

−

VCC

LVCMP1,

LVCMP2

External comparison voltage input

range

−0.3

−

VCC

+ 0.3

−

Offset

−

200

−

Comparator output delay time (2)

At falling, VI = Vref

− 100 mV

−

−µs

At falling, VI = Vref

− 1 V or below

−

1.5

−µs

At rising, VI = Vref + 100 mV

−

−µs

At rising, VI = Vref + 1 V or above

−

0.5

−µs

−

Comparator operating current

VCC = 5.0 V

−

0.5

−µA

Table 5.6

Comparator B Electrical Characteristics

Symbol

Parameter

Condition

Standard

Unit

Min.

Typ.

Max.

Vref

IVREF1, IVREF3 input reference voltage

−

VCC

− 1.4

IVCMP1, IVCMP3 input voltage

−0.3

−

VCC

+ 0.3

−

Offset

−

100

Comparator output delay time (2)

VI = Vref ± 100 mV

−

0.1

−µs

ICMP

Comparator operating current

VCC = 5.0 V

−

17.5

−µA

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