¡ Semiconductor
MSM66585/586/587/P587/Q587
A/D Converter Characteristics
(Ta=–30 to +70°C, VDD=VREF=5V±10%, AGND=GND=0V, fOSC=20MHz)
Item
Symbol Conditions
Min
Typ
Max Units
Resolution
n
Refer to the recommended
—
8
—
Bit
Linearity error
EL
circuit
Analog input source
—
—
±2
Differential linearity error
ED
Zero scale error
EZS
impedance
RI£5kW
—
—
±1
LSB
—
—
+2
Full scale error
EFS
tCONV=19.2msec
—
—
–2
Conversion time
tCONV by ADTM set data
6.4
—
19.2 ms/CH
A/D Converter Characteristics
Item
(Ta=–30 to +70°C, VDD=VREF=3V±10%, AGND=GND=0V, fOSC=10MHz)
Symbol Conditions
Min
Typ
Max Units
Resolution
Linearity error
Differential linearity error
Zero scale error
Full scale error
Conversion time
n
Refer to the recommended
—
circuit
EL
Analog input source
—
ED
impedance
—
EZS
RI£5kW
—
EFS
tCONV=38.4msec
—
tCONV ADTM=00b (384CLK selection) —
8
—
Bit
—
±1
—
±0.5
LSB
—
+1
—
–1
38.4
—
ms/CH
Reference
Voltage
–
+
Analog Voltage
VREF
VDD
0.1 47 +
mF mF
RI
AI0~
AI3
AGND GND
CI
RI (analog input source impedance) £ 5kW
Cl = 0.1 mF
Recommended Circuit
+5V
+
0.1 47
mF mF
0V
0.1
mF
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