E0C6274
A/D converter
(Unless otherwise specified: V
DD
=V
DDA
=3.0V, V
SS
=V
SSA
=0V, f
OSC1
=32.768kHz, Ta=25°C, C
G
=25pF, V
D1
/V
C1
–V
C3
are internal voltage, C1–C6=0.1µF)
Unit
Characteristic
Symbol
Condition
Min.
Typ.
Max.
Count
6400 counts, R
I
= 680 kΩ
Absolute error
E
V1
Voltage
0
±3
±13
E
V2
3200 counts, R
I
= 330 kΩ
measurement mode
0
±2
±7
E
V3
1600 counts, R
I
= 180 kΩ
0
±1
±4
E
V4
800 counts, R
I
= 82 kΩ
0
±1
±4
Count
E
D1
6400 counts, R
I
= 680 kΩ
Differential voltage
0
±4
±16
E
D2
3200 counts, R
I
= 330 kΩ
measurement mode
0
±2
±8
E
D3
1600 counts, R
I
= 180 kΩ
0
±1
±5
E
D4
800 counts, R
I
= 82 kΩ
0
±1
±5
Count
E
R1
6400 counts, R
I
= 680 kΩ
Resistance
0
±9
±20
E
R2
3200 counts, R
I
= 330 kΩ
measurement mode
0
±4
±10
E
R3
1600 counts, R
I
= 180 kΩ
0
±2
±5
E
R4
800 counts, R
I
= 82 kΩ
0
±2
±5
Count
E
ZV1
Voltage
6400 counts, R
I
= 680 kΩ
Zero point error
0
0
±4
E
ZV2
measurement mode
3200 counts, R
I
= 330 kΩ
0
0
±2
E
ZV3
1600 counts, R
I
= 180 kΩ
0
0
±2
E
ZV4
800 counts, R
I
= 82 kΩ
0
0
±2
Count
E
ZD1
Differential voltage
6400 counts, R
I
= 680 kΩ
0
1
±5
E
ZD2
measurement mode
3200 counts, R
I
= 330 kΩ
0
0
±3
E
ZD3
1600 counts, R
I
= 180 kΩ
0
0
±3
E
ZD4
800 counts, R
I
= 82 kΩ
0
0
±3
Count
E
PV1
Voltage
6400 counts, R
I
= 680 kΩ
Polarity error
0
±4
±11
E
PV2
measurement mode
3200 counts, R
I
= 330 kΩ
0
±2
±6
E
PV3
1600 counts, R
I
= 180 kΩ
0
±1
±4
E
PV4
800 counts, R
I
= 82 kΩ
0
±1
±4
Count
E
PD1
Differential voltage
6400 counts, R
I
= 680 kΩ
0
±4
±13
E
PD2
measurement mode
3200 counts, R
I
= 330 kΩ
0
±2
±7
E
PD3
1600 counts, R
I
= 180 kΩ
0
±1
±5
E
PD4
800 counts, R
I
= 82 kΩ
0
±1
±5
Count
E
LV1
Voltage
6400 counts, R
I
= 680 kΩ
Linearity error
0
±1
±8
E
LV2
measurement mode
3200 counts, R
I
= 330 kΩ
0
±1
±4
E
LV3
1600 counts, R
I
= 180 kΩ
0
±1
±3
E
LV4
800 counts, R
I
= 82 kΩ
0
±1
±3
Count
E
LD1
Differential voltage
6400 counts, R
I
= 680 kΩ
0
±2
±10
E
LD2
measurement mode
3200 counts, R
I
= 330 kΩ
0
±1
±5
E
LD3
1600 counts, R
I
= 180 kΩ
0
±1
±3
E
LD4
800 counts, R
I
= 82 kΩ
0
±1
±3
Count
E
LR1
Resistance
6400 counts, R
I
= 680 kΩ
0
±2
±10
E
LR2
measurement mode
3200 counts, R
I
= 330 kΩ
0
±1
±5
E
LR3
1600 counts, R
I
= 180 kΩ
0
±1
±3
E
LR4
800 counts, R
I
= 82 kΩ
0
±1
±3
µA
Power current consumption I
AD
Ta = 25°C
300
900
Current that flows in external parts is not included.
∗
In case of the voltage measurement mode or differential voltage measurement mode, the reference voltage V
R2
is adjusted so that the
measurement error (absolute error E) of the A/D converter becomes minimum when Ta=25°C, V
DD
=V
DDA
=3A, input voltage V
IN
=+320mV.
Error and deviation by the reference voltage V
R2
are not included.
6
SEIKO [ SEIKO EPSON CORPORATION ]
