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M32C82_15 Datasheet, PDF (65/84 Pages) Renesas Technology Corp – SINGLE-CHIP 16/32-BIT CMOS MICROCOMPUTER
M32C/82 Group
5. Electrical Characteristics (VCC = 3.3 V)
VCC = 3.3V
Table 5.24 A/D Conversion Characteristics (VCC = AVCC = VREF = 3.0 to 3.6V, VSS = AVSS = 0V
at Topr = –20 to 85oC unless otherwise specified)
Symbol
Parameter
Measurement
condition
Standard
Unit
Min Typ Max
-
Resolution
VREF=VCC
10 Bits
INL
Integral nonlinearity error
No S&H function (8-bit) VCC=VREF=3.3V
±2 LSB
DNL
Differential nonlinearity error No S&H function (8-bit)
±1 LSB
-
Offset error
No S&H function (8-bit)
±2 LSB
-
Gain error
No S&H function (8-bit)
±2 LSB
RLADDER Resistor ladder
VREF=VCC
8
40 kΩ
tCONV
8-bit conversion time
4.9
µs
VREF
Reference voltage
3.0
VCC V
VIA
Analog input voltage
0
VREF V
S&H: Sample and hold
NOTES:
1. Divide f(XIN), if exceeding 10 MHz, to keep φAD frequency less than or equal to 10 MHz.
Table 5.25 D/A Conversion Characteristics (VCC = VREF = 3.0 to 3.6V, VSS = AVSS = 0V
at Topr = –20 to 85oC unless otherwise specified)
Symbol
Parameter
Measurement condition
Standard
Unit
Min Typ Max
-
Resolution
8 Bits
-
Absolute accuracy
1.0 %
tSU
Setup time
3 µs
RO
Output resistance
4 10 20 kΩ
IVREF
Reference power supply input current
(Note 1)
1.0 mA
NOTES:
1. Mesurement condition is that one of two D/A converters is used and the DAi register (i=0, 1) for the
unused D/A converter to "0016". The resistor ladder in the A/D converter is exclued.
IVREF flows even if the ADiCON1 register is set to "0" (no VREF connection).
Rev.1.20 Jun. 01, 2004 page 63 of 80