A/D Conversion Characteristics - Hitachi H8/3062 Hardware Manual

22.1.4

A/D Conversion Characteristics

Table 22.9 lists the A/D conversion characteristics.
Table 22.9 A/D Conversion Characteristics
Condition: T = –20°C to +75°C (regular specifications), T
a
specifications)
Condition A: V = 2.7 to 5.5 V, AV
CC
fmax = 10 MHz
Condition B: V = 3.0 to 5.5 V, AV
CC
fmax = 13 MHz
Condition C: V = 5.0 V ± 10%, AV
CC
fmax = 20 MHz
Item
Conver- Resolution
sion time:
Conversion time (single
134 states
mode)
Analog input capacitance
Permissible
signal-source
impedance
Nonlinearity error
Offset error
Full-scale error
Quantization error
Absolute accuracy
= 2.7 to 5.5 V, V
CC
= 3.0 to 5.5 V, V
CC
= 5.0 V ± 10%, V
CC
Min Typ Max
10 10
— —
— —
φ ≤ 13 MHz
— —
φ > 13 MHz
— —
4.0 V ≤ AV
— —
CC
≤ 5.5 V
2.7 V ≤ AV
— —
CC
< 4.0 V
— —
— —
— —
— —
— —
= –40°C to +85°C (wide-range
a
= 2.7 to AV
REF
= 3.0 to AV
REF
= 4.5 to AV
REF
Condition
A B
Min Typ Max
10 10 10
134 — —
20 — —
— — —
— — —
10 — —
5 — —
±7.5 — —
±7.5 — —
±7.5 — —
±0.5 — —
±8.0 — —
, V = AV = 0 V,
CC SS SS
, V = AV = 0 V,
CC SS SS
, V = AV
CC SS SS
C
Min Typ Max
10 10 10 10
134 — — 134
20 — — 20
— — — 10
— — — 5
10 — — —
5 — — —
±7.5 — — ±3.5
±7.5 — — ±3.5
±7.5 — — ±3.5
±0.5 — — ±0.5
±8.0 — — ±4.0
= 0 V,
Unit
bits
t
cyc
pF
kΩ
kΩ
kΩ
kΩ
LSB
LSB
LSB
LSB
LSB
663