R7FA2L1AB2DFM datasheet(68/114 Pages) RENESAS

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Full-scale error

Full-scale error is the difference between the transition point of the ideal last output code and the actual last output code.

2.5

DAC12 Characteristics

Table 2.46

12-bit D/A conversion characteristics

Conditions: VCC = AVCC0 = 1.8 to 5.5 V

Reference voltage = AVCC0 or AVSS0 selected

Parameter

Min

Typ

Max

Unit

Test conditions

Resolution

—

bit

—

Resistive load

—

kΩ

—

Capacitive load

—

Output voltage range

0.35

—

AVCC0-0.47

—

DNL differential nonlinearity error

—

±0.5

±2.0

LSB

—

INL integral nonlinearity error

—

±2.0

±8.0

LSB

—

Offset error

—

±30

—

Full-scale error

—

±30

—

Output impedance

—

Ω

—

Conversion time

—

µs

—

0x000

D/A converter input code

0xFFF

Output analog voltage

Upper output limit

Lower output limit

Offset error

Ideal output voltage

1-LSB width for ideal D/A conversion

characteristic

Differential nonlinearity error

(DNL)

Actual D/A conversion characteristic

Integral nonlinearity error (INL)

Full-scale error

Gain error

Offset error

Ideal output voltage

Note 1. Ideal D/A conversion output voltage that is adjusted so that offset and full scale errors are zeroed.

Figure 2.40

Illustration of D/A converter characteristic terms

RA2L1 Datasheet

2. Electrical Characteristics

R01DS0385EJ0160 Rev.1.60

Oct 14, 2025

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