s-89530a Seiko Instruments Inc., s-89530a Datasheet - Page 7

• Manufacturer Part Number: s-89530a
• Description: 0.7 ?a Rail-to-rail Cmos Comparator
• Manufacturer: Seiko Instruments Inc.

1. Power supply voltage rejection ratio
2. Input offset voltage
Rev.3.1
V
CMR
V
Measurement Circuits
IN
= V
V
IN
DD
0.45 V
/2
_00
Figure 6
Figure 7
−
+
MINI ANALOG SERIES
V
DD
−
+
V
DD
V
OUT
V
OUT
Seiko Instruments Inc.
The power supply voltage rejection ratio (PSRR) is
calculated by the following expression, with the value of
V
Measurement conditions:
When V
When V
Input offset voltage (V
The input offset voltage (V
V
PSRR
IO
OUT
0.7 μA Rail-to-Rail CMOS COMPARATOR
measured at each V
changes by changing V
=
DD
DD
20log
= 0.9 V: V
= 5.5 V: V
⎛
⎜ ⎜
⎝
V
V
DD1
IO1
DD
DD
−
−
IO
V
V
= V
= V
)
DD
DD2
IO2
.
DD1
DD2
IO
) is defined as V
⎞
⎟ ⎟
⎠
IN
, V
, V
.
IO
IO
S-89530A/89531A
= V
= V
IO1
IO2
IN
at which
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