M32C80 Datasheet, PDF (304/352 Pages) Renesas Technology Corp – 16/32-BIT SINGLE-CHIP MICROCOMPUTER M16C FAMILY / M32C/80 SERIES

M32C/80 Group
23. Electrical Characteristics
VCC1=VCC2=5V
Table 23.4 A/D Conversion Characteristics (VCC1=VCC2=AVCC=VREF=4.2 to 5.5V, Vss= AVSS = 0V at
Topr=–20 to 85^oC, f(BCLK) = 32MHZ unless otherwise specified)
Symbol
Parameter
-
Resolution
Measurement Condition
VREF=VCC1
Standard
Unit
Min. Typ. Max.
10 Bits
AN0 to AN7, ANEX0,
ANEX1
INL
Integral Nonlinearity Error
VREF=VCC1=VCC2=5V
External op-amp
connection mode
DNL
Differential Nonlinearity Error
-
Offset Error
-
Gain Error
RLADDER Resistor Ladder
VREF=VCC1
tCONV
10-bit Conversion Time^{(1, 2)}
tCONV
8-bit Conversion Time^{(1, 2)}
tSAMP
Sampling Time⁽¹⁾
VREF
Reference Voltage
VIA
Analog Input Voltage
NOTES:
1. Divide f(XIN), if exceeding 16 MHz, to keep φAD frequency at 16 MHz or less.
2. With using the sample and hold function.
8
2.06
1.75
0.188
2
0
LSB
±3
LSB
LSB
±7
LSB
±1 LSB
±3 LSB
±3 LSB
40 kΩ
µs
µs
µs
VCC1 V
VREF V
Table 23.5 D/A Conversion Characteristics (VCC1=VCC2=VREF=4.2 to 5.5V, VSS=AVSS=0V
at Topr=–20 to 85^oC, f(BCLK) = 32MHZ 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)
1.5 mA
NOTE:
1. Measurement when using one D/A converter. The DAi register (i=0, 1) of the D/A converter, not being
used, is set to "0016". The resistor ladder in the A/D converter is excluded.
IVREF flows even if the VCUT bit in the AD0CON1 register is set to "0" (no VREF connection).
Rev. 1.00 Nov. 01, 2005 ^{Page 285} of 330
REJ09B0271-0100