OA1MPA datasheet(8/28 Pages) STMICROELECTRONICS

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Electrical characteristics

OA1MPA, OA2MPA, OA4MPA

8/28

DocID025992 Rev 1

VCC+ = 3.3 V with VCC- = 0 V, Vicm = VCC/2, T = 25 °C, and RL = 10 k connected to VCC/2

(unless otherwise specified)

Table 5. Electrical characteristics

Symbol

Parameter

Conditions

Min.

Typ.

Max.

Unit

DC performance

Vio

Input offset voltage

T = 25 °C

200

V

-40 °C < T< 85 °C

850

-40 °C < T< 125 °C

1200

V

io/T

Input offset voltage drift

-40 °C < T< 125 °C(1)

V/°C

V

Long-term input offset voltage

drift

T = 25 °C(2)

0.3

Iio

Input offset current

(Vout =VCC/2)

T = 25 °C

10(3)

-40 °C < T< 125 °C

300(3)

Iib

Input bias current (Vout =VCC/2)

T = 25 °C

10(3)

-40 °C < T< 125 °C

300(3)

CMR

Common mode rejection ratio

20 log (

V

icm/Vio)

Vicm = 0V to VCC, Vout =VCC/2,

RL > 1M

T = 25 °C

100

-40 °C < T< 125 °C

Avd

Large signal voltage gain

Vout = 0.5 V to (VCC - 0.5 V)

T = 25 °C

-40 °C < T< 125 °C

VOH

High level output voltage

(VOH = VCC -Vout)

T = 25 °C

-40 °C < T< 125 °C

VOL

Low level output voltage

T = 25 °C

-40 °C < T< 125 °C

Iout

Isink (Vout = VCC)

T = 25 °C

-40 °C < T< 125 °C

Isource (Vout = 0 V)

T = 25 °C

-40 °C < T< 125 °C

ICC

Supply current (per channel,

Vout = VCC/2, RL > 1M)

T = 25 °C

µA

-40 °C < T< 125 °C

AC performance

GBP

Gain bandwidth product

RL =10k, CL =100 pF

100

120

kHz

Unity gain frequency

100

Phase margin

Degrees

Gain margin

Slew rate(4)

RL =10k, CL = 100 pF,

Vout = 0.5 V to VCC - 0.5 V

0.05

s

V

month

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