IBM EM78P809N Specification page 70

EM78P809N
8-Bit Microcontroller
A/D Converter Characteristic (V
Symbol Parameter
VAREF
Analog reference voltage VAREF - VASS ≧ 2.5V
VASS
VAI Analog input voltage
IV
DD
IAI1 Analog supply current
Ivref
IV
DD
IAI2 Analog supply current
IVref
RN Resolution
LN Linearity error
Differential nonlinear
DNL
error
FSE Full scale error
OE Offset error
Recommended
ZAI impedance of analog
voltage source
TAD A/D clock period
TCN A/D conversion time
ADIV A/D input voltage range
ADOV A/D output voltage swing
PSR Power Supply Rejection
66 •
=2.5V to 5.5V, Vss=0V, Ta = -40 to 85 ℃ )
DD
Condition
V =VAREF=5.0V, VASS =0.0V
DD
(V reference from V
DD
V =VAREF=5.0V, VASS =0.0V
DD
(V reference from VREF)
V =VAREF=5.0V, VASS =0.0V
DD
= 2.5 to 5.5V Ta=25 ℃
V
DD
= 2.5 to 5.5V Ta=25 ℃
V
DD
V =VAREF=5.0V, VASS =0.0V
DD
V =VAREF=5.0V, VASS =0.0V
DD
V =VAREF=5.0V, VASS =0.0V
DD
V =VAREF=5.0V, VASS =0.0V
DD
V =VAREF=5.0V, VASS =0.0V
DD
V =VAREF=5.0V, VASS =0.0V,
DD
RL=10K Ω
V =5.0V±0.5V
DD
(This specification is subject to change without further notice)
Min.
2.5
Vss
VASS
750
)
-10
500
200
9
0
0
±0
±0
0
4
14
0
0
4.7
±0
Product Specification (V1.0) 07.26.2005
Typ. Max. Unit
V V
DD
Vss V
VAREF V
850 1000 uA
0 +10 uA
600 820 uA
250 300 uA
10 Bits
±1 ±2 LSB
±0.5 ±0.9 LSB
±1 ±2 LSB
±0.5 ±1 LSB
8 10 K Ω
us
14 TAD
VAREF V
0.2 0.3
V
4.8 5
±2 LSB