M16CSLASH62P datasheet(33/87 Pages) RENESAS

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M16C/62 Group (M16C/62P, M16C/62PT)

5. Electrical Characteristics (M16C/62P)

page 33

Table 5.4 A-D Conversion Characteristics (1)

Standard

Min.

Typ.Max.

–

INL

Resolution

Integral

non-

linearity

error

Bits

VREF =VCC1

SymbolParameterMeasuring conditionUnit

AN0 to AN7 input

AN0_0 to AN0_7 input

AN2_0 to AN2_7 input

ANEX0, ANEX1 input

VREF=

VCC1=

LSB

±3

LSB

±7

LSB

VREF =VCC1=3.3V

8 bit

±2

RLADDER

tCONV

Ladder resistance

Conversion time(10bit), Sample & hold

function available

Reference voltage

Analog input voltage

Ω

µs

VIA

VREF

2.0

VCC1

VREF

2.75

Conversion time(8bit), Sample & hold

function available

µs

2.33

tCONV

tSAMP

Sampling time

0.25

µs

VREF =VCC1

VREF =VCC1=5V, øAD=12MHz

DNL

Differential non-linearity error

Offset error

Gain error

–

LSB

±1

±3

NOTES:

1. Referenced to VCC1=AVCC=VREF=3.3 to 5.5V, VSS=AVSS=0V at Topr = -20 to 85

°C / -40 to 85 °C unless otherwise

specified.

2. If VCC1 > VCC2, do not use AN0_0 to AN0_7 and AN2_0 to AN2_7 as analog input pins.

3. AD operation clock frequency (øAD frequency) must be 12 MHz or less. And divide the fAD if VCC1 is less than 4.0V,

and øAD frequency into 10 MHz or less.

4. A case without sample & hold function turn øAD frequency into 250 kHz or more in addition to a limit of Note 3.

A case with sample & hold function turn øAD frequency into 1MHz or more in addition to a limit of Note 3.

10 bit

VREF=

VCC1=

3.3V

LSB

±5

LSB

±7

VREF=

VCC1=

LSB

±3

LSB

±7

LSB

VREF =VCC1=3.3V

8 bit

±2

10 bit

VREF=

VCC1=

3.3V

LSB

±5

LSB

±7

–

Absolute

accuracy

External operation amp

connection mode

AN0 to AN7 input

AN0_0 to AN0_7 input

AN2_0 to AN2_7 input

ANEX0, ANEX1 input

External operation amp

connection mode

AN0 to AN7 input

AN0_0 to AN0_7 input

AN2_0 to AN2_7 input

ANEX0, ANEX1 input

External operation amp

connection mode

AN0 to AN7 input

AN0_0 to AN0_7 input

AN2_0 to AN2_7 input

ANEX0, ANEX1 input

External operation amp

connection mode

Tolerance level impedance

–

Ω

Table 5.5 D-A Conversion Characteristics (1)

Min. Typ. Max.

–

tsu

Resolution

Absolute accuracy

Setup time

Output resistance

Reference power supply input current

Bits

Ω

IVREF

1.0

1.5

SymbolParameterMeasuring conditionUnit

µs

(Note 2)

Standard

NOTES:

1. Referenced to VCC1=VREF=3.3 to 5.5V, VSS=AVSS=0V at Topr = -20 to 85

°C / -40 to 85 °C unless otherwise specified.

2. This applies when using one D-A converter, with the D-A register for the unused D-A converter set to “00h”. The A-D

converter’s ladder resistance is not included. Also, when D-A register contents are not “00h”, the current IVREF always

flows even though Vref may have been set to be unconnected by the A-D control register.

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