S-89230 Seiko Instruments Inc., S-89230 Datasheet - Page 9

• Manufacturer Part Number: S-89230
• Description: Mini Analog Series Cmos Comparator
• Manufacturer: Seiko Instruments Inc.

Rev.2.0
1. Power supply voltage rejection ratio, input offset voltage
2. Common-mode input signal rejection ratio, common-mode input voltage range
Test Circuit (Per Circuit)
V
V
IN
IN1
_00
V
V
DD
IN2
Figure 5
Figure 6
/ 2
−
+
−
+
V
V
DD
DD
V
V
OUT
OUT
Seiko Instruments Inc.
MINI ANALOG SERIES CMOS COMPARATOR
Power supply voltage rejection ratio (PSRR)
Input offset voltage (V
The input offset voltage (V
V
supply voltage rejection ratio (PSRR) can be calculated by
following expression, with the value of V
V
Measurement conditions:
When V
When V
Common-mode input signal rejection ratio (CMRR)
The common-mode input signal rejection ratio (CMRR) can
be calculated by the following expression, with the offset
voltage (V
changing V
Measurement conditions:
When V
When V
Common-mode input voltage range (V
Varying
common-mode input signal rejection ratio (CMRR) is the
common-mode input voltage range (V
PSRR = 20 log
OUT
DD
CMRR = 20 log
.
is changed by changing V
DD
DD
IN2
IN2
V
IO
= 1.8 V: V
= 5.0 V: V
= V
= V
IN1
IN2
) set as V
.
,
CMR Max.
DD
/2: V
the
V
V
DD1
DD
DD
IO1
IN2
: V
V
V
range
= V
= V
INH
IO
IN1
IO1
− V
− V
= V
IN2
)
− V
− V
IO
DD2
IO2
DD1
DD2
− V
= V
INL
) is defined as V
IO2
INL
, V
, V
, V
S-89230/89240 Series
INH
of
IN2
IN
IO
IO
IO
, V
to V
= V
= V
after V
= V
V
IO
IN2
CMR
DD
IO1
IO2
= V
IO2
CMR
IO
).
/ 2 level. The power
that
IO1
OUT
measured at each
)
IN
is changed by
− V
satisfies
DD
/ 2 when
the
9