S89130 datasheet(13/26 Pages) SII

Part #	S89130

Description	MINI ANALOG SERIES CMOS OPERATIONAL AMPLIFIER

PDF	26 Pages

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Manufacturer	SII [Seiko Instruments Inc]

Direct Link	http://www.sii.co.jp

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MINI ANALOG SERIES CMOS OPERATIONAL AMPLIFIER

Rev.1.0_01

S-89130/89140 Series

8. Voltage gain (open loop)

−

VCMR

= VDD / 2

1 M

VOUT

VDD / 2

VDD

−

VDDN

VSSN

NULL

D.U.T

Figure 12

• Voltage-gain (open loop) (AVOL)

The voltage gain (AVOL) can be calculated by the following expression, with measured VOUT at each VM.

Test conditions:

= VDD − 0.5 V: VM = VM1, VOUT = VOUT1,

= 0.5 V: VM = VM2, VOUT = VOUT2

AVOL

= 20 log













VM1

− VM2

VOUT1

− VOUT2 ×

+ RS

9. Slew rate (SR)

Measured by the voltage follower circuit.

VOUT (

= IN(−))

IN(

+) = VCMR Max.

IN(

+) = 0 V

tTHL

VCMR Max.

× 0.9

= tF = 20 ns (0 V to VCMR Max.)

tTLH

VOUT (

= IN(−))

VCMR Max.

× 0.1

VCMR Max.

× 0.8

tTLH

VCMR Max.

× 0.8

tTHL

Figure 13

S89130 Datasheet(PDF) 13 Page - Seiko Instruments Inc

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