S124 Datasheet, PDF (69/98 Pages) Renesas Technology Corp – 32-bit ARM Cortex-M0+ microcontroller

S124
2.5 ADC14 Characteristics
2. Electrical Characteristics
VREFH0
5.5
5.0
4.0
3.0
2.7
2.4
2.0
1.0
A/D Conversion
Characteristics (1)
A/D Conversion
Characteristics (2)
VREFH0
5.5
5.0
4.0
A/D Conversion
Characteristics (3)
3.0
2.7
2.4
2.0
1.8
1.0
A/D Conversion
Characteristics (4)
A/D Conversion
Characteristics (5)
A/D Conversion
Characteristics (6)
2.4 2.7
5.5 AVCC0
1.0
2.0
3.0
4.0
5.0
ADCSR.ADHSC = 0
Figure 2.54 AVCC0 to VREFH0 voltage range
1.8 2.4 2.7
1.0
2.0
3.0
4.0
ADCSR.ADHSC = 1
5.5 AVCC0
5.0
Table 2.40 A/D conversion characteristics (1) in high-speed mode (1/2)
Conditions: VCC = AVCC0 = 4.5 to 5.5 V, VREFH0 = 4.5 to 5.5 V, VSS = AVSS0 = VREFL0 = 0V
Reference voltage range applied to the VREFH0 and VREFL0.
Item
Min
Typ
Max
Unit
Frequency
1
-
64
MHz
Analog input capacitance
Cs
-
-
15
pF
-
-
30
pF
Analog input resistance
Rs
-
-
2.5
kΩ
Analog input voltage range
Ain
0
-
VREFH0 V
12-bit mode
Resolution
-
-
12
Bit
Conversion time*¹
Permissible signal
0.70
-
-
μs
(Operation at
source impedance
PCLKD = 64 MHz)
Max. = 0.3 kΩ
1.13
-
-
μs
Offset error
-
±0.5
±4.5
LSB
±6.0
LSB
Full-scale error
-
±0.75
±4.5
LSB
±6.0
LSB
Quantization error
-
±0.5
-
LSB
Absolute accuracy
-
±1.25
±5.0
LSB
±8.0
LSB
DNL differential nonlinearity error
-
±1.0
-
LSB
INL integral nonlinearity error
-
±1.0
±3.0
LSB
14-bit mode
Resolution
-
-
14
Bit
Conversion time*¹
Permissible signal
0.80
-
-
μs
(Operation at
source impedance
PCLKD = 64 MHz)
Max. = 0.3 kΩ
1.22
-
-
μs
Test Conditions
-
High-precision channel
Normal-precision channel
-
-
-
High-precision channel
ADCSR.ADHSC = 0
ADSSTRn.SST[7:0] = 0Dh
Normal-precision channel
ADCSR.ADHSC = 0
ADSSTRn.SST[7:0] = 28h
High-precision channel
Other than above
High-precision channel
Other than above
-
High-precision channel
Other than above
-
-
-
High-precision channel
ADCSR.ADHSC = 0
ADSSTRn.SST[7:0] = 0Dh
Normal-precision channel
ADCSR.ADHSC = 0
ADSSTRn.SST[7:0] = 28h
R01DS0264EU0100 Rev.1.00
Feb 23, 2016
Page 69 of 95