FEDL66525-02
OKI Semiconductor
ML66525 Family
A/D Converter Characteristics
(Ta = –30 to +70°C, VREF = 2.4 to 3.6 V, AGND = GND = 0 V)
Parameter
Resolution
Linearity error
Symbol
Condition
Min.
—
—
Typ.
10
—
Max.
—
±3
Unit
Bit
n
EL
Refer to measurement
circuit 1
Analog input source
Differential Linearity error
Zero scale error
Full-scale error
ED
EZS
EFS
—
—
—
—
—
—
±2
+3
–3
impedance
LSB
RI ≤ 5 kΩ
Refer to measurement
circuit 2
Set according to ADTM set
data
Cross talk
ECT
—
—
—
±1
Conversion time
tCONV
16
3906.3
µs/ch
Reference
voltage
VREF
VDD_IO
GND
+3 V
+
+
0.1
µF
47
µF
0.1
µF
47
µF
RI
–
+
AI0 to AI3
AGND
0 V
Analog input
CI
RI (impedance of analog input source) ≤ 5 kΩ
CI ≅ 0.1 µF
Measurement Circuit 1
22/27
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