M32C82_15 Datasheet, PDF (47/84 Pages) Renesas Technology Corp – SINGLE-CHIP 16/32-BIT CMOS MICROCOMPUTER

M32C/82 Group
5. Electrical Characteristics (VCC = 5 V)
VCC = 5V
Table 5.4 A/D Conversion Characteristics (VCC = AVCC = VREF = 4.2 to 5.5V, Vss = AVSS = 0V
at Topr = –20 to 85^oC unless otherwise specified)
Symbol
Parameter
-
Resolution
Measurement condition
VREF=VCC
Standard
Unit
Min Typ Max
10 Bits
INL
Integral nonlinearity error
VREF=VCC=5V
AN0 to AN7
ANEX0, ANEX1
External op-amp
connection mode
LSB
±3
LSB
LSB
±7
LSB
DNL
Differential nonlinearity error
-
Offset error
-
Gain error
RLADDER Resistor ladder
VREF=VCC
8
tCONV
10-bit conversion time
3.3
tCONV
8-bit conversion time
2.8
tSAMP
Sample time
0.3
VREF
Reference voltage
2
VIA
Analog input voltage
0
NOTES:
1. Divide f(XIN), if exceeding 10 MHz, to keep φAD frequency less than or equal to 10 MHz.
±1 LSB
±3 LSB
±3 LSB
40 kΩ
µs
µs
µs
VCC V
VREF V
Table 5.5 D/A Conversion Characteristics (VCC = VREF = 4.2 to 5.5V, VSS = AVSS = 0V
at Topr = –20 to 85^oC 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
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 45 of 80