914
25.4
A/D Conversion Characteristics
Table 25-11 lists the A/D conversion characteristics.
Table 25-11 A/D Conversion Characteristics
Condition A: V
CC
= PLLV
CC
= 3.0 V to 3.6 V, PV
CC
= 3.0 V to 5.5 V, AV
CC
= 3.3 V to 5.5 V,
V
ref
= 3.3 V to AV
CC
, V
SS
= AV
SS
= 0 V, ø = 2 to 16 MHz, T
a
= –20°C to +75°C
(regular specifications), T
a
= –40°C to +85°C (wide-range specifications)
Condition B: V
CC
= PLLV
CC
= 3.0 V to 3.6 V, PV
CC
= 4.5 V to 5.5 V, AV
CC
= 4.5 V to 5.5 V,
V
ref
= 4.5 V to AV
CC
, V
SS
= AV
SS
= 0 V, ø = 2 to 25 MHz, T
a
= –20°C to +75°C
(regular specifications), T
a
= –40°C to +85°C (wide-range specifications)
Condition A
Condition B
Item
Min
Typ
Max
Min
Typ
Max
Unit
Resolution
10
10
10
10
10
10
bits
Conversion time
—
—
16.7
—
—
10.6
µs
Analog input capacitance
—
—
20
—
—
20
pF
Permissible signal-source
impedance
—
—
5
—
—
5
k
Ω
Nonlinearity error
—
—
±7.5
—
—
±3.5
LSB
Offset error
—
—
±7.5
—
—
±3.5
LSB
Full-scale error
—
—
±7.0
—
—
±3.5
LSB
Quantization
—
±0.5
—
—
±0.5
—
LSB
Absolute accuracy
—
—
±8.0
—
—
±4.0
LSB