A/D Conversion Characteristics; Table 22.57 A/D Conversion Characteristics - Hitachi H8/3062 Hardware Manual

22.6.4

A/D Conversion Characteristics

Table 22.57 lists the A/D conversion characteristics.

Table 22.57 A/D Conversion Characteristics

Condition: T = –20°C to +75°C (regular specifications),
a
T = –40°C to 85°C (wide-range specifications)
a
Condition A: V = 5.0 V ± 10%, AV
CC
fmax = 20 MHz
Condition B: V = 5.0 V ± 10%, AV
CC
fmax = 25 MHz
Item
Conversion time: Resolution
134 states
Conversion time (single mode)
Analog input capacitance
Permissible signal-
source impedance
Nonlinearity error
Offset error
Full-scale error
Quantization error
Absolute accuracy
Conversion time: Resolution
70 states *
Conversion time (single mode)
Analog input capacitance
Permissible signal-
source impedance
Nonlinearity error
Offset error
Full-scale error
Quantization error
Absolute accuracy
Note: * When using an operating frequency f (MHz) exceeding 70/5.36 = 13 (MHz), do not select 70
states for the conversion time.
= 5.0 V ± 10%, V
CC REF
= 5.0 V ± 10%, V
CC REF
φ ≤ 13 MHz
φ > 13 MHz
4.0 V ≤ AV ≤ 5.5 V
CC
3.0 V ≤ AV
< 4.0 V
CC
φ ≤ 13 MHz
φ > 13 MHz
4.0 V ≤ AV ≤ 5.5 V
CC
3.0 V ≤ AV
< 4.0 V
CC
= 4.5 to AV , V = AV
CC SS
= 4.5 to AV , V = AV
CC SS
Condition
A and B
Min Typ Max
10 10 10
5.36 — —
— — 20
— — 10
— — 5
— — —
— — —
— — ±3.5
— — ±3.5
— — ±3.5
— — ±0.5
— — ±4.0
10 10 10
5.36 — —
— — 20
— — 5
— — 3
— — —
— — —
— — ±7.5
— — ±7.5
— — ±7.5
— — ±0.5
— — ±8.0
= 0 V,
SS
= 0 V,
SS
Unit
bits
µs
pF
kΩ
kΩ
kΩ
kΩ
LSB
LSB
LSB
LSB
LSB
bits
µs
pF
kΩ
kΩ
kΩ
kΩ
LSB
LSB
LSB
LSB
LSB
751