UPD70433 Datasheet, PDF (140/166 Pages) NEC – V55PITM 16-BIT MICROPROCESSOR

µPD70433
A/D CONVERTER CHARACTERISTICS (TA= –40 to +85 °C, VDD = +5.0 V ± 10 %, AVSS = 0 V, VDD – 0.5 V ≤ AVDD ≤ VDD)
PARAMETER
Resolution
Total error *1
Quantization error
Conversion time
Sampling time
Analog input voltage
Analog input impedance
Reference voltage
AVREF current
SYMBOL
TEST CONDITIONS
3.4 V ≤ AVREF ≤ AVDD
4.5 V ≤ AVREF ≤ AVDD
MIN.
8
tCONV
tSAMP
VIAN
RAN
AVREF
AIREF
80 ns ≤ T ≤ 125 ns (for µPD70433, 70433-12)
65 ns ≤ T ≤ 125 ns (for µPD70433-16)
125 ns ≤ T ≤ 250 ns
80 ns ≤ T ≤ 125 ns (for µPD70433, 70433-12)
65 ns ≤ T ≤ 125 ns (for µPD70433-16)
125 ns ≤ T ≤ 250 ns
Non-sampling
Sampling
T = 80 ns
160T
120T
32T
24T
–0.3
3.4
TYP.
MAX.
0.8
0.6
±1/2
UNIT
Bit
%
%
LSB
ns
ns
ns
ns
AVREF + 0.3
V
1000
MΩ
*2
AVDD
V
1.5
5.0
mA
T: tCYK
* 1. Excluding quantization error
2. Analog input impedance is identical with the equivalent circuit shown below. (The values in the figure are not
guaranteed, but are TYP. values)
Analog Input Pin
20 kΩ
30 pF
(Input
Capacitance
Included)
5 pF
DATA MEMORY STOP MODE LOW SUPPLY VOLTAGE DATA RETENTION CHARACTERISTICS (TA = –40 to +85 °C)
PARAMETER
Data retention supply voltage
Supply voltage rise time
Supply voltage fall time
SYMBOL
115 VDDDR
116 tRVD
117 tFVD
TEST CONDITIONS
MIN.
2.5
200
200
MAX.
5.5
UNIT
V
µs
µs
Remark Numbers in the Symbol column correspond to number in the timing chart.
140