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RL78/G1A
CHAPTER 30 ELECTRICAL SPECIFICATIONS (G: INDUSTRIAL APPLICATIONS T
A
=
−
40 to +105
°
C)
R01UH0305EJ0200 Rev.2.00 944
Jul 04, 2013
30.6 Analog Characteristics
30.6.1 A/D converter characteristics
Division of A/D Converter Characteristics
Reference voltag
Input channel
Reference voltage (+) = AV
REFP
Reference voltage (−) = AVREFM
Reference voltage (+) = AVDD
Reference voltage (−) = AVSS
Reference voltage (+) = Internal
refrence voltage
Reference voltage (−) = AVSS
High-accuracy channel; ANI0 to
ANI12
(input buffer power supply: AV
DD)
See 30.6.1 (1) See 30.6.1 (2)
Standard channel; ANI16 to ANI30
(input buffer power supply: V
DD or
EV
DD0)
See 30.6.1 (3) See 30.6.1 (4)
See 30.6.1 (5)
Temperature sensor, internal
reference voltage output
See 30.6.1 (3) See 30.6.1 (4)
−
(1) When reference voltage (+) = AV
REFP/ANI0 (ADREFP1 = 0, ADREFP0 = 1), reference voltage (−) = AVREFM/ANI1
(ADREFM = 1), target for conversion: ANI2 to ANI12
(T
A = −40 to +105°C, 2.4 V ≤ AVREFP ≤ AVDD ≤ VDD ≤ 3.6 V, VSS = 0 V, AVSS = 0 V, Reference voltage (+) = AVREFP,
Reference voltage (−) = AVREFM = 0 V)
Parameter Symbol Conditions MIN. TYP. MAX. Unit
Resolution RES 2.4 V ≤ AVREFP ≤ AVDD ≤ 3.6 V 8. 12. bit
Overall error
Note
AINL 12-bit resolution 2.4 V ≤ AVREFP ≤ AVDD ≤ 3.6 V
±6.0 LSB
Conversion time tCONV
ADTYP = 0,
12-bit resolution
2.4 V ≤ AVREFP ≤ AVDD ≤ 3.6 V 3.375
μ
s
Zero-scale error
Note
EZS 12-bit resolution 2.4 V ≤ AVREFP ≤ AVDD ≤ 3.6 V ±4.5 LSB
Full-scale error
Note
EFS 12-bit resolution 2.4 V ≤ AVREFP ≤ AVDD ≤ 3.6 V ±4.5 LSB
Integral linearity error
Note
ILE 12-bit resolution 2.4 V ≤ AVREFP ≤ AVDD ≤ 3.6 V ±2.0 LSB
Differential linearity
error
Note
DLE 12-bit resolution 2.4 V ≤ AV
REFP ≤ AVDD ≤ 3.6 V ±1.5 LSB
Analog input voltage VAIN 0 AVREFP V
Note Excludes quantization error (±1/2 LSB).
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