ELECTRICAL DATA S3C9228/P9228
16-8
Table 16-6. A/D Converter Electrical Characteristics
(TA = – 25°C to + 85°C, VDD = 2.7 V to 5.5 V, VSS = 0 V)
Parameter Symbol Conditions Min Typ Max Unit
Resolution – 10 – bit
Total accuracy VDD = 5.12 V – – ±3LSB
Integral linearity error ILE fxx = 8 MHz – – ±2
Differential linearity error DLE fCON = fxx/4 – – ±1
Offset error of top EOT –±1±3
Offset error of bottom EOB –±0.5 ±2
Conversion time (1) TCON 10-bit resolution
50 × fxx/4, fxx = 8MHz 25 – – µS
Analog input voltage VIAN –VSS –VDD V
Analog input impedance RAN – 2 1000 – MΩ
Analog input current IADIN VDD = 5 V – – 10 µA
IADC VDD = 5 V –13mA
VDD = 3 V 0.5 1.5
VDD = 5 V
When power down mode
100 500 nA
NOTES:
1. 'Conversion time' is the time required from the moment a conversion operation starts until it ends.
2. IADC is an operating current during A/D conversion.
tINTHtINTL
0.8 VDD
0.2 VDD
NOTE: The unit tCPU means one CPU clock period.
External
Interrupt
Figure 16-3. Input Timing for External Interrupts