EM78P510N
8-Bit Microcontrollers
8.2 A/D Converter Characteristic
Vdd=2.5V to 5.5V,Vss=0V,Ta=-40 to 85 °C
Symbol
VAREF
VASS
VAI
Parameter
Condition
Min
2.5
Typ
−
Max
Vdd
Vss
VAREF
1000
+10
820
Unit
V
Analog reference voltage VAREF - VASS≧2.5V
Vss
VASS
750
-10
−
V
Analog input voltage
Analog supply current
−
−
V
Ivdd
IAI1
850
0
µA
µA
µA
µA
Bits
LSB
Vdd=VAREF=5.0V, VASS = 0.0V
(V reference from Vdd)
Ivref
Ivdd
IAI2
500
200
11
600
250
12
±4
Vdd=VAREF=5.0V, VASS = 0.0V
(V reference from VREF)
Analog supply current
Ivref
300
RN
LN
Resolution
Vdd=VAREF=5.0V, VASS = 0.0V
−
Linearity error
Vdd = 2.5 to 5.5V Ta=25℃
0
±8
Differential non-linear
error
DNL
Vdd = 2.5 to 5.5V Ta=25℃
0
±0.5
±0.8
LSB
FSE
OE
Full scale error
Offset error
Vdd=VAREF=5.0V, VASS = 0.0V
Vdd=VAREF=5.0V, VASS = 0.0V
±0
±0
±4
±2
±8
±4
LSB
LSB
Recommended
ZAI
impedance of analog
voltage source
−
0
8
10
KΩ
ADIV
A/D input voltage range VDD =VAREF=5.0V, VASS = 0.0V
0
0
−
0.2
4.8
−
VAREF
V
V
0.3
5
VDD =VAREF=5.0V, VASS = 0.0V,
RL=10KΩ
ADOV
A/D output voltage swing
4.7
4
TAD
TCN
PSR
A/D clock period
Vdd=VAREF=5.0V, VASS = 0.0V
Vdd=VAREF=5.0V, VASS = 0.0V
−
µs
A/D conversion time
14
±0
−
14
±2
TAD
LSB
Power Supply Rejection Vdd=5.0V±0.5V
−
Product Specification (V0.9) 09.12.2006
(This specification is subject to change without further notice)
• 97
ELAN [ ELAN MICROELECTRONICS CORP ]
