H8SLASH3028F datasheet(700/923 Pages) RENESAS

700 / 923 page

Rev. 2.00, 09/03, page 670 of 890

21.2.4

A/D Conversion Characteristics

Table 21.17 lists the A/D conversion characteristics.

Table 21.17 A/D Conversion Characteristics

Conditions: VCC = 3.0 V to 3.6 V, AVCC = 3.0 V to 3.6 V, VREF = 3.0 V to AVCC,

VSS = AVSS = 0 V, Ta = –20°C to +75°C (regular specifications),

Ta = –40°C to +85°C (wide-range specifications)

Condition

f = 2 M to 25 MHz

Item

Min

Typ

Max

Unit

Resolution

bits

Conversion time:

134 states

Conversion time (single mode)

5.36

—

µs

Analog input capacitance

—

φ ≤ 13 MHz

—

Ω

Permissible signal-

source impedance

φ > 13 MHz

—

Ω

Nonlinearity error

—

±3.5

LSB

Offset error

—

±3.5

LSB

Full-scale error

—

±3.5

LSB

Quantization error

—

±0.5

LSB

Absolute accuracy

—

±4.0

LSB

Resolution

bits

Conversion time:

70 states*

Conversion time (single mode)

5.38

—

µs

Analog input capacitance

—

Permissible signal-

source impedance

φ ≤ 13 MHz

—

Ω

Nonlinearity error

—

±7.5

LSB

Offset error

—

±7.5

LSB

Full-scale error

—

±7.5

LSB

Quantization error

—

±0.5

LSB

Absolute accuracy

—

±8.0

LSB

Note: * Do not select a conversion time of 70 states if the operating frequency exceeds f = 70

(states)/5.38 (µs) = 13.0 (MHz).

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