S-89430A datasheet(6/23 Pages) SII

Part #	S-89430A

Description	MINI ANALOG SERIES 0.5 關A Rail-to-Rail CMOS OPERATIONAL AMPLIFIER

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Manufacturer	SII [Seiko Instruments Inc]

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MINI ANALOG SERIES

0.5

μA Rail-to-Rail CMOS OPERATIONAL AMPLIFIER

S-89430A/89431A

Rev.5.1_00

Seiko Instruments Inc.

6

2. VDD = 1.8 V

Table 7

DC Characteristics (VDD = 1.8 V)

(Ta

= 25°C unless otherwise specified)

Parameter

Symbol

Measurement Conditions

Min.

Typ.

Max. Unit

Measurement

Circuit

Current consumption

*1

IDD

VCMR = VOUT = 0.9 V

⎯

0.5

0.9

μA

Figure 12

S-89430A : VCMR = 0.9V

−10

±5

+10

Input offset voltage

VIO

S-89431A : VCMR = 0.9V

−5

±3

+5

mV

Figure 8

Input offset current

IIO

⎯

1

⎯

pA

⎯

Input bias current

IBIAS

⎯

1

⎯

pA

⎯

Common-mode input

voltage range

VCMR

⎯

0

⎯

1.8

V

Figure 9

Voltage gain

(open loop)

AVOL

VSS + 0.1 V ≤ VOUT ≤ VDD − 0.1 V,

VCMR = 0.9 V,

RL = 1 MΩ

66

75

⎯

dB

Figure 16

Maximum output

VOH

RL = 100 KΩ

1.75

⎯

Figure 10

swing voltage

VOL

RL = 100 KΩ

⎯

0.05

V

Figure 11

VSS ≤ VCMR ≤ VDD

35

55

⎯

Common-mode input

signal rejection ratio

CMRR

VSS ≤ VCMR ≤ VDD − 0.3 V

45

60

⎯

dB

Figure 9

Power supply voltage

rejection ratio

PSRR

VDD = 0.9 to 5.5 V

70

80

⎯

dB

Figure 7

VOUT = VDD − 0.1 V

220

300

⎯

Source current

ISOURCE

VOUT = 0 V

1200

1800

⎯

μA

Figure 13

VOUT = 0.1 V

220

300

⎯

Sink current

ISINK

VOUT = VDD

1200

1800

⎯

μA

Figure 14

*1. When the output is saturated on the VDD side, a current consumption of up to 3 to 5 μA may flow.

(Refer to 4. Current consumption vs. Common-mode input voltage characteristics graphs in the

characteristics data. )

Table 8

AC Characteristics (VDD = 1.8 V)

(Ta

= 25°C unless otherwise specified)

Parameter

Symbol

Measurement Conditions

Min.

Typ.

Max.

Unit

Slew rate

SR

RL = 1.0 MΩ, CL = 15 pF

(Refer to Figure 15.)

⎯

4.5

⎯

V/ms

Gain-bandwidth product

GBP

CL = 0 pF

⎯

5

⎯

kHz

Maximum load capacitance

CL

⎯

47

⎯

pF

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