HD404374 Datasheet, PDF (140/161 Pages) Renesas Technology Corp – Low-Voltage AS Microcomputers with On-Chip A/D Converter

HD404374/HD404384/HD404389/HD404082/HD404084 Series
A/D Converter Characteristics (HD404374/HD404384/HD404389 Series) (Mask ROM: V_CC = 1.8 V to
5.5 V, GND = 0 V, T_a = –20°C to +75°C; ZTAT^TM : V_CC = 2.0 V to 5.5 V, GND = 0 V, T_a = –20°C to
+75°C, unless otherwise specified)
Item
Symbol Pins
min.
typ. max.
Unit Test conditions
Notes
Analog power supply AV_CC
AV_CC
V_CC–0.3 V_CC V_CC+0.3 V
1
voltage
Analog input voltage AV_in
AV_CC-AV_SS current
I_AD
Analog input
CA_in
capacitance
AN₀ to AN₅
AV_SS
— AV_CC
V
—
— 500
µA
V_CC=AV_CC=5.0V
AN₀ to AN₅
—
15 —
pF
Resolution
—
10 —
bit
Number of inputs
0
—4
channel
Absolute accuracy
Conversion time
—
— ±4.0
LSB
V_CC=AV_CC=1.8V to 5.5V 2
V_CC=AV_CC=2.0V to 5.5V 3
125
——
t_cyc
V_CC=AV_CC=1.8V to 2.0V 2
or less
65
——
t_cyc
V_CC=AV_CC=2.0V to 5.5V
Input impedance
AN₀ to AN₅
1
——
M•
Notes: 1. Connect to the V_CC pin when the A/D converter is not used. The AV_CC setting range is 1.8 V
≤AV_CC≤5.5V (Mask ROM), 2.0V ≤ AV_CC ≤ 5.5V (ZTAT^TM).
2. Applies to Mask ROM.
3. Applies to ZTAT^TM.
Rev.5.00, Sep.11.2003, page 140 of 161