S128 Datasheet, PDF (77/107 Pages) Renesas Technology Corp – Microcontroller

S128
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
1.6
1.0
A/D Conversion
Characteristics (4)
A/D Conversion
Characteristics (5)
A/D Conversion
Characteristics (6)
A/D Conversion
Characteristics (7)
2.4 2.7
5.5 AVCC0
1.0
2.0
3.0
4.0
5.0
ADCSR.ADHSC = 0
Figure 2.61 AVCC0 to VREFH0 voltage range
1.8 2.4 2.7
1.0 1.6 2.0
3.0
4.0
ADCSR.ADHSC = 1
5.5 AVCC0
5.0
Table 2.41 A/D conversion characteristics (1) in high-speed A/D conversion mode (1 of 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.
Parameter
Min
Typ
Max
Unit
Test Conditions
Frequency
1
-
64
MHz
-
Analog input capacitance
Cs
-
-
15
pF
High-precision channel
-
-
30
pF
Normal-precision channel
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
-
-
(Operation at
source impedance
PCLKD = 64 MHz)
Max. = 0.3 kΩ
μs
High-precision channel
ADCSR.ADHSC = 0
ADSSTRn.SST[7:0] = 0Dh
1.13
-
-
μs
Normal-precision channel
ADCSR.ADHSC = 0
ADSSTRn.SST[7:0] = 28h
Offset error
-
±0.5
±4.5
LSB
High-precision channel
±6.0
LSB
Other than above
Full-scale error
-
±0.75
±4.5
LSB
High-precision channel
±6.0
LSB
Other than above
Quantization error
-
±0.5
-
LSB
-
Absolute accuracy
-
±1.25
±5.0
LSB
High-precision channel
±8.0
LSB
Other than above
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
-
-
(Operation at
source impedance
PCLKD = 64 MHz)
Max. = 0.3 kΩ
μs
High-precision channel
ADCSR.ADHSC = 0
ADSSTRn.SST[7:0] = 0Dh
1.22
-
-
μs
Normal-precision channel
ADCSR.ADHSC = 0
ADSSTRn.SST[7:0] = 28h
R01DS0309EU0100 Rev.1.00
Mar 10, 2017
Page 77 of 107