Renesas H8S/2318 series, Hardware Manual

Page: 862 / 1121

Rev. 5.00, 12/03, page 832 of 1088
20.3.4 A/D Conversion Characteristics
Table 20-26 A/D Conversion Characteristics
Condition B: V
CC
= 3.0 V to 3.6 V, AV
CC
= 3.0 V to 3.6 V, V
ref
= 3.0 V to AV
CC
, V
SS
= AV
SS
=
0 V,
φ
= 2 MHz to 25 MHz, T
a
= –20°C to 75°C (regular specifications),
T
a
= –40°C to 85°C (wide-range specifications)
Item Min Typ Max Unit
Resolution 10 10 10 Bits
Conversion time 10.6 — —
µ
s
Analog input capacitance — — 20 pF
Permissible signal source impedance — — 5 k
Ω
Nonlinearity error — — ±5.5 LSB
Offset error — — ±5.5 LSB
Full-scale error — — ±5.5 LSB
Quantization error — — ±0.5 LSB
Absolute accuracy — — ±6.0 LSB
20.3.5 D/A Conversion Characteristics
Table 20-27 D/A Conversion Characteristics — Preliminary —
Condition B: V
CC
= 3.0 V to 3.6 V, AV
CC
= 3.0 V to 3.6 V, V
ref
= 3.0 V to AV
CC
, V
SS
= AV
SS
=
0 V,
φ
= 2 MHz to 25 MHz, T
a
= –20°C to 75°C (regular specifications),
T
a
= –40°C to 85°C (wide-range specifications)
Item Min Typ Max Unit Test Conditions
Resolution 8 8 8 Bits
Conversion time — — 10
µ
s 20 pF capacitive load
Absolute accuracy — ±2.0 ±3.0 LSB 2 M
Ω
resistive load
— — ±2.0 LSB 4 M
Ω
resistive load