UPD784044 Datasheet, PDF (62/90 Pages) NEC – 16-BIT SINGLE-CHIP MICROCONTROLLER

µPD784044(A), 784046(A)
(1) Electrical specifications of µPD784044(A), 784046(A) (6/6)
AD Converter Characteristics (TA = –40 to +85 ˚C, VDD = 4.5 to 5.5 V, VSS = AVSS = 0 V,
VDD – 0.5 V ≤ AVDD ≤ VDD)
Parameter
Resolution
Total error^Note
Quantization error
Conversion time
Sampling time
Zero-scale error^Note
Full-scale error^Note
Nonlinearity error^Note
Analog input voltage
A/D converter reference input
voltage
AVREF current
AVDD supply current
A/D converter data retention
current
Symbol
tCONV
tSAMP
VIAN
AVREF
AIREF
AIDD
AIDDDR
Conditions
4.5 V ≤ AVREF ≤ AVDD
3.4 V ≤ AVREF < 4.5 V
80 ns ≤ tCYK ≤ 250 ns
80 ns ≤ tCYK ≤ 250 ns
4.5 V ≤ AVREF ≤ AVDD
3.4 V ≤ AVREF < 4.5 V
4.5 V ≤ AVREF ≤ AVDD
3.4 V ≤ AVREF < 4.5 V
4.5 V ≤ AVREF ≤ AVDD
3.4 V ≤ AVREF < 4.5 V
MIN.
10
169
20
–0.3
3.4
STOP
mode
AVDDDR = 2.5 V
AVDDDR = 5 V ± 10%
Note The quantization error is excluded.
TYP.
±1.5
±1.5
±1.5
±1.5
±1.5
±1.5
MAX.
±0.5
±0.7
±1/2
±3.5
±4.5
±3.5
±4.5
±2.5
±4.5
AVREF+0.3
AVDD
Unit
bit
%FSR
%FSR
LSB
tCYK
tCYK
LSB
LSB
LSB
LSB
LSB
LSB
V
V
1.0
3.0
mA
2.0
6.0
mA
2
10
µA
10
50
µA
Remark tCYK = 1/fCLK (fCLK is internal system clock frequency).
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