HD404339 Datasheet, PDF (71/78 Pages) Hitachi Semiconductor – 4-bit HMCS400-Series microcomputer with large-capacity memory

HD404339 Series
A/D Converter Characteristics (V_CC = 4.0 to 5.5 V, GND = 0 V, V_disp = V_CC – 40 V to V_CC, T_a = –20 to
+75°C, unless otherwise specified)
Item
Symbol Pins
Min
Typ Max
Analog supply
voltage
AV_CC
AV_CC
V_CC – 0.3 V_CC V_CC + 0.3
Analog input
voltage
AV_in
AN₀–AN₁₁ AV_SS
—
AV_CC
Current flowing I_AD
between AV_CC and
AV_SS
Analog input
CA _in
capacitance
—
AN₀–AN₁₁ —
— 200
— 30
Resolution
8
8
8
Number of input
channels
0
— 12
Absolute accuracy
—
— ±2.0
Conversion time
34
— 67
Input impedance
AN₀–AN₁₁ 1
——
Note: 1. Connect this to V_CC if the A/D converter is not used.
Unit Test Condition Note
V
1
V
µA
V_CC = AV_CC = 5.0 V
pF
Bit
Channel
LSB
t _cyc
MΩ
71