S89430 datasheet(9/33 Pages) SII

9 / 33 page

MINI ANALOG SERIES 0.5

μA Rail-to-Rail CMOS OPERATIONAL AMPLIFIER

Rev.2.1_01

S-89430/89431 Series

2. VDD = 1.8 V

Table 10

DC Electrical Characteristics (VDD = 1.8 V)

(Ta =

+25°C unless otherwise specified)

Parameter

Symbol

Conditions

Min.

Typ.

Max.

Unit

Test

Circuit

Current consumption

(per circuit)*1

IDD

VCMR = VOUT = 0.9 V

−

0.50

0.75

μA

Input offset voltage

VIO

VCMR = 0.9 V

S-89430 Series

−10

±5

+10

S-89431 Series

−5

±3

Input offset current

IIO

−

Input bias current

IBIAS

−

Common-mode input voltage

range

VCMR

−

1.8

Voltage gain (open loop)

AVOL

VSS

+ 0.1 V ≤ VOUT ≤ VDD − 0.1 V,

VCMR = 0.9 V, RL = 1.0 M

−

Maximum output

swing voltage

VOH

RL = 100 k

1.75

−

VOL

RL = 100 k

−

0.05

Common-mode input signal

rejection ratio

CMRR

VSS

≤ VCMR ≤ VDD

−

VSS

≤ VCMR ≤ VDD − 0.3 V

−

Power supply voltage

rejection ratio

PSRR

VDD = 0.9 V to 5.5 V

−

Source current

ISOURCE

VOUT = VDD

− 0.1 V

220

300

−

μA

VOUT = 0 V

1200

1800

−

μA

Sink current

ISINK

VOUT = 0.1 V

220

300

−

μA

VOUT = VDD

1200

1800

−

μA

*1.

When the output is saturated on the VDD side, a current consumption of up to 3

μA to 5 μA may flow.

Refer to “4. Current consumption (per circuit) vs. Common-mode input voltage range characteristics (voltage

follower configuration)” in “ Characteristics (Typical Data)”.

Table 11

AC Electrical Characteristics (VDD = 1.8 V)

(Ta =

+25°C unless otherwise specified)

Parameter

Symbol

Conditions

Min.

Typ.

Max.

Unit

Slew rate

RL = 1.0 M

Ω, CL = 15 pF (Refer to Figure 17)

−

4.5

−

V/ms

Gain-bandwidth product

GBP

CL = 0 pF

−

kHz

Maximum load capacitance

−

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