A/D Conversion Characteristics - Hitachi H8/3048 Hardware Manual

21.2.3 A/D Conversion Characteristics

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Table 21-8 lists the A/D conversion characteristics.
Table 21-8 A/D Converter Characteristics
Condition A: V = 2.7 V to 5.5 V, AV
CC
V = AV
SS
specifications), T
Condition B: V = 3.15 V to 5.5 V, AV
CC
V = AV
SS
specifications), T
Condition C: V = 5.0 V ± 10%, AV
CC
V = AV
SS
specifications), T
Condition A
Item Min
Resolution 10
Conversion time —
Analog input —
capacitance
—
Permissible signal-
source impedance
—
Nonlinearity error —
Offset error —
Full-scale error —
Quantization error —
Absolute accuracy —
Notes: 1. The value is for 4.0 ≤ AV
2. The value is for 2.7 ≤ AV
3. The value is for ø ≤ 12 MHz.
4. The value is for ø > 12 MHz.
= 2.7 V to 5.5 V, V
CC
= 0 V, ø = 1 MHz to 8 MHz, T
SS
= –40°C to +85°C (wide-range specifications)
a
= 3.15 V to 5.5 V, V
CC
= 0 V, ø = 1 MHz to 13 MHz, T
SS
= –40°C to +85°C (wide-range specifications)
a
= 5.0 V ± 10%, V
CC
= 0 V, ø = 1 MHz to 18 MHz, T
SS
= –40°C to +85°C (wide-range specifications)
a
Condition B
8 MHz 13 MHz
Typ Max Min Typ
10 10 10 10
— 16.8 — —
— 20 — —
*1
— 10 — —
*2
— 5 — —
— ±6.0 — —
— ±4.0 — —
— ±4.0 — —
— ±0.5 — —
— ±8.0 — —
≤ 5.5.
CC
≤ 4.0.
CC
672
= 2.7 V to AV
REF
= –20°C to +75°C (regular
a
= 3.15 V to AV
REF
= –20°C to +75°C (regular
a
= 4.5 V to AV
REF
= –20°C to +75°C (regular
a
Condition C
16 MHz
Max Min Typ Max
10 10 10 10
10.4 — — 8.4
20 — — 20
*1 *3
10 — — 10
*2 *4
5 — — 5
±6.0 — — ±3.0
±4.0 — — ±2.0
±4.0 — — ±2.0
±0.5 — — ±0.5
±8.0 — — ±4.0
,
CC
,
CC
,
CC
18 MHz
Min Typ Max Unit
10 10 10 bits
— — 7.5 µs
— — 20 pF
*3
— — 10 kΩ
*4
— — 5
— — ±3.0 LSB
— — ±2.0 LSB
— — ±2.0 LSB
— — ±0.5 LSB
— — ±4.0 LSB