SH7041A datasheet(817/923 Pages) RENESAS

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25.4

A/D Converter Characteristics

Table 25.15 A/D Converter Timing (excluding A mask) (Conditions: V

CC = 5.0 V ± 10%,

CC = 5.0 V ± 10%, AVCC = VCC ± 10%, AVref = 4.5 V to AVCC, VSS = AVSS = 0

V, Ta = – 20 to +75

°C)

28.7 MHz

Item

Min

Typ

Max

Unit

Resolution

Bits

Conversion time (when CKS = 1) —

—

2.9

µs

Analog input capacitance

—

Permitted signal source

impedance

——

Ω

Non-linear error*

—

±8

LSB

Offset error*

—

±8

LSB

Full-scale error*

—

±8

LSB

Quantization error*

—

±0.5

LSB

Absolute error (when CKS = 1)

—

±15

LSB

Note: * Reference values

Table 25.16 A/D Converter Timing (A mask) (Condition: Vcc=5.0 ± 10%, AVcc=5.0 ± 10%,

AVcc=Vcc ± 10%, AVref=4.5V to AVcc, Vss=AVss=0V, Ta=-20 to +75

°C)

28.7 MHz

20 MHz

Item

Min

Typ

Max

Min

Typ

Max

Unit

Resolution

Bits

Conversion time (when CKS=0)

—

9.3

—

13.4

µs

Analog input capacity

—

Permission signal source

impedance

——

—

Ω

Non-linearity error*

—

±3

—

±3

LSB

Offset error*

—

±3

—

±3

LSB

Full scale error*

—

±3

—

±3

LSB

Quantize error*

—

±0.5

—

±0.5

LSB

Absolute error

—

±4

—

±4

LSB

Note: * Reference value

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