E0C6008
● Analog Circuit Characteristics and Current Consumption
E0C6008 (Normal Operating Mode)
(Unless otherwise specified: VDD=0V, VSS=-3.0V, fOSC1=32.768kHz, Ta=25°C, C
G
=25pF, VS1/VL1–VL3 are internal voltage, C1–C5=0.1µF)
Characteristic
LCD drive voltage
Symbol
Condition
Min.
1/2·VL2
- 0.1
Typ.
Max. Unit
VL1
VL2
VL3
Connect 1 MΩ load resistor between VDD and VL1
1/2·VL2
×0.9
V
V
V
(without panel load)
Connect 1 MΩ load resistor between VDD and VL2
-2.30 -2.10 -1.90
(without panel load)
Connect 1 MΩ load resistor between VDD and VL3
3/2·VL2
- 0.1
3/2·VL2
(without panel load)
BLC="0"
BLC="1"
BLC="2"
BLC="3"
BLC="4"
BLC="5"
BLC="6"
BLC="7"
×0.9
1
BLD voltage
VB0
VB1
VB2
VB3
VB4
VB5
VB6
VB7
-2.35 -2.20 -2.05
-2.40 -2.25 -2.10
-2.45 -2.30 -2.15
-2.50 -2.35 -2.20
-2.55 -2.40 -2.25
-2.60 -2.45 -2.30
-2.65 -2.50 -2.35
-2.70 -2.55 -2.40
V
V
V
V
V
V
V
V
BLD circuit response time
Sub-BLD voltage
t
B
100 µsec
VBS
-2.55 -2.40 -2.25
V
Sub-BLD circuit response time
Analog comparator
input voltage
Analog comparator
offset voltage
t
BS
100 µsec
V
V
V
IP
Non-inverted input (AMPP)
Inverted input (AMPM)
VSS+0.3
V
DD-0.9
V
IM
OF
10
mV
Analog comparator
response time
t
AMP
V
V
IP=-1.5V
IM=VIP±15mV
3
msec
Current consumption
I
OP
During HALT
During operation
Without
panel load
1.0
2.2
2.0
4.0
µA
µA
2
1: The relationships among VB0–VB7 are VB0>VB1>VB2>...VB5>VB6>VB7
.
2: The BLD circuit, sub-BLD circuit and analog comparator are in the OFF status.
E0C6008 (Heavy Load Protection Mode)
(Unless otherwise specified: VDD=0V, VSS=-3.0V, fOSC1=32.768kHz, Ta=25°C, C
Characteristic Symbol Condition
LCD drive voltage
G
=25pF, VS1/VL1–VL3 are internal voltage, C
1
–C
5=0.1µF)
Min.
1/2·VL2
- 0.1
Typ.
Max. Unit
VL1
VL2
VL3
Connect 1 MΩ load resistor between VDD and VL1
1/2·VL2
V
V
V
(without panel load)
Connect 1 MΩ load resistor between VDD and VL2
(without panel load)
Connect 1 MΩ load resistor between VDD and VL3
×0.9
-2.30 -2.10 -1.90
3/2·VL2
- 0.1
3/2·VL2
(without panel load)
BLC="0"
BLC="1"
BLC="2"
BLC="3"
BLC="4"
BLC="5"
BLC="6"
BLC="7"
×0.9
1
BLD voltage
VB0
VB1
VB2
VB3
VB4
VB5
VB6
VB7
-2.35 -2.20 -2.05
-2.40 -2.25 -2.10
-2.45 -2.30 -2.15
-2.50 -2.35 -2.20
-2.55 -2.40 -2.25
-2.60 -2.45 -2.30
-2.65 -2.50 -2.35
-2.70 -2.55 -2.40
V
V
V
V
V
V
V
V
BLD circuit response time
Sub-BLD voltage
t
B
100 µsec
VBS
-2.55 -2.40 -2.25
V
Sub-BLD circuit response time
Analog comparator
input voltage
Analog comparator
offset voltage
t
BS
100 µsec
V
V
V
IP
Non-inverted input (AMPP)
Inverted input (AMPM)
VSS+0.3
V
DD-0.9
V
IM
OF
10
mV
Analog comparator
response time
t
AMP
V
V
IP=-1.5V
IM=VIP±15mV
3
msec
Current consumption
I
OP
During HALT
During operation
Without
panel load
10
12
20
25
µA
µA
2
1: The relationships among VB0–VB7 are VB0>VB1>VB2>...VB5>VB6>VB7
.
2: The BLD circuit and sub-BLD circuit are in the ON status (HLMOD="1", BLS="0").
The analog comparator is in the OFF status.
7
SEIKO [ SEIKO EPSON CORPORATION ]
