A/D Converter Characteristics - Hitachi H8/329 Series Hardware Manual

• Measurement Conditions for AC Characteristics
LSI
output pin
Input/output timing reference levels

14.2.3 A/D Converter Characteristics

Table 14-9 lists the characteristics of the on-chip A/D converter.
Table 14-9. A/D Converter Characteristics
Condition A: V = AV
CC
frequency, Ta = –20 to 75˚C (regular specifications),
Ta = –40 to 85˚C (wide-range specifications)
Condition B: V = 3.0V ±10%, AV
CC
operating frequency, Ta = –20 to 75˚C
Item
Resolution
Conversion time (single mode)*
Analog input capacitance
Allowable signal
source impedance
Nonlinearity error
Offset error
Full-scale error
Quantizing error
Absolute accuracy
Note: * At maximum operating frequency.
R
H
C
Low: 0.8 V
High: 2.0 V
Figure 14-3. Output Load Circuit
= 5.0V ±10%, V
CC SS
= 5.0V ±10%, V
CC
Condition B
5MHz
Min Typ Max Min Typ Max Min Typ Max Min Typ Max
8 8 8 8
— — 24.4 —
— — 20 —
— — 10 —
— — ±1 —
— — ±1 —
— — ±1 —
— — ±0.5 —
— — ±1.5 —
5 V
R
L
C =
R =
L
R =
H
= AV = 0V, Ø = 0.5MHz to maximum operating
SS
= AV = 0V, Ø = 0.5MHz to maximum
SS SS
Condition A
6MHz 8MHz
8 8 8 8
— 20.4 — —
— 20 — —
— 10 — —
— ±1 — —
— ±1 — —
— ±1 — —
— ±0.5 — —
— ±1.5 — —
261
90 pF: Ports 1 – 4, 6
30 pF: Port 5
2.4 kΩ
12 kΩ
10MHz
8 8 8 8
15.25 — — 12.2
20 — — 20
10 — — 10
±1 — — ±1
±1 — — ±1
±1 — — ±1
±0.5 — — ±0.5
±1.5 — — ±1.5
Unit
Bits
µs
pF
kΩ
LSB
LSB
LSB
LSB
LSB