Product data
90
22.2.4 A/D Conversion Characteristics
Tables 22.11 and 22.12 list the A/D conversion characteristics.
Table 22.11 A/D Conversion Characteristics
(AN7 to AN0 Input: 134/266-State Conversion)
Condition A: V
CC
= 5.0 V ± 10%, AV
CC
= 5.0 V ± 10%
V
SS
= AV
SS
= 0 V, ø = 2 MHz to maximum operating frequency,
T
a
= –20 to +75°C (regular specifications),
T
a
= –40 to +85°C (wide-range specifications)
Condition B: V
CC
= 4.0 V to 5.5 V, AV
CC
= 4.0 V to 5.5 V
V
SS
= AV
SS
= 0 V, ø = 2 MHz to maximum operating frequency,
T
a
= –20 to +75°C (regular specifications),
T
a
= –40 to +85°C (wide-range specifications)
Condition C: V
CC
= 2.7 V to 5.5 V
*
5
, AV
CC
= 2.7 V to 5.5 V
*
5
V
SS
= AV
SS
= 0 V, ø = 2 MHz to maximum operating frequency,
T
a
= –20 to +75°C
Condition A Condition B Condition C
20 MHz 16 MHz 10 MHz
Item Min Typ Max Min Typ Max Min Typ Max Unit
Resolution 10 10 10 10 10 10 10 10 10 Bits
Conversion time
*
6
— — 6.7 — — 8.4 — — 13.4 µs
Analog input
capacitance
——20 ——20 ——20 pF
Permissible signal-
source
——10
*
3
——10
*
3
——10
*
1
kΩ
impedance
5
*
4
5
*
4
5
*
2
Nonlinearity error — — ±3.0 — — ±3.0 — — ±7.0 LSB
Offset error — — ±3.5 — — ±3.5 — — ±7.5 LSB
Full-scale error — — ±3.5 — — ±3.5 — — ±7.5 LSB
Quantization error — — ±0.5 — — ±0.5 — — ±0.5 LSB
Absolute accuracy — — ±4.0 — — ±4.0 — — ±8.0 LSB
Notes: *1 When 4.0 V ≤ AV
CC
≤ 5.5 V
*2 When 2.7 V ≤ AV
CC
< 4.0 V
*3 When conversion time ≥ 11. 17 µs (CKS = 1 and ø ≤ 12 MHz, or CKS = 0)
*4 When conversion time < 11. 17 µs (CKS = 1 and ø > 12 MHz)
*5 For the low-voltage F-ZTAT version, V
CC
= 3.0 V to 5.5 V and AV
CC
= 3.0 V to 5.5 V.
*6 At the maximum operating frequency in single mode