Rainbow Electronics T89C51CC02 - Manual (Page 132)

132 Rev.A - May 17, 2001
Preliminary
T89C51CC02
Figure 136. Clock Signal Waveform for I
CC
Tests in Active and Idle Modes
19.3. DC Parameters for A/D Converter
Table 26. DC Parameters for AD Converter
Symbol Parameter Min Typ Max Unit Test Conditions
AVin Analog input voltage Vss- 0.2 Vref + 0.2 V
Rref Resistance between Vref and Vss 12 18 24 KOhm
Vref Reference voltage 2.40 3.00 V
Cai Analog input Capacitance 60 pF During sampling
INL Integral non linearity 1 2 lsb
DNL Differential non linearity 0.5 1 lsb
OE Offset error -2 2 lsb
V
CC
-0.5V
0.45V
0.7V
CC
0.2V
CC
-0.1
T
CLCH T
CHCL
T
CLCH
= T
CHCL
= 5ns.