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| R32C156 Datasheet, PDF (93/118 Pages) Renesas Technology Corp – RENESAS MCU | |||
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R32C/156 Group
5. Electrical Characteristics
Table 5.19
VCC = 5 V
A/D Conversion Characteristics (VCC = AVCC = VREF = 4.2 to 5.5 V, VSS = AVSS = 0 V,
Ta = Topr, and f(BCLK) = 32 MHz, unless otherwise noted)
Symbol
Characteristic
Measurement condition
Value
Unit
Min. Typ. Max.
â Resolution
VREF = VCC
10 Bits
Absolute error
â
VREF = VCC = 5 V
AN_0 to AN_7,
AN0_0 to AN0_7,
AN2_0 to AN2_7,
AN15_0 to AN15_7,
ANEX0, ANEX1
±3 LSB
External op-amp
connection mode
±7 LSB
INL
Integral non-linearity VREF = VCC = 5 V AN_0 to AN_7,
error
AN0_0 to AN0_7,
AN2_0 to AN2_7,
AN15_0 to AN15_7,
ANEX0, ANEX1
±3 LSB
External op-amp
connection mode
±7 LSB
DNL
Differential non-linearity
error
±1 LSB
â Offset error
±3 LSB
â Gain error
±3 LSB
RLADDER Resistor ladder
VREF = VCC
4
20 kΩ
tCONV
Conversion time
(10 bits)
ÏAD = 16 MHz, with sample and hold
2.06
function
µs
ÏAD = 16 MHz, without sample and hold
3.69
µs
function
tCONV
Conversion time
(8 bits)
ÏAD = 16 MHz, with sample and hold
1.75
function
µs
ÏAD = 16 MHz, without sample and hold
3.06
µs
function
tSAMP
Sampling time
ÏAD = 16 MHz
0.188
µs
VIA
Analog input voltage
0
VREF V
ÏAD
Operating clock
frequency
without sample and hold function
with sample and hold function
0.25
16 MHz
1
16 MHz
RPU(AST) Pull-up resistor for open-
circuit detection
5 10 15 kΩ
RPD(AST) Pull-down resistor for
open-circuit detection
5 10 15 kΩ
REJ03B0233-0102 Rev.1.02 Nov 30, 2009
Page 93 of 115
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