OPA855 datasheet(7/35 Pages) TI

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6.5 Electrical Characteristics (continued)

at VS+ = 5 V, VS– = 0 V, G = 7 V/V, RF = 453 Ω, input common-mode biased at midsupply, RL = 200 Ω, output load is

referenced to midsupply, and TA = 25℃ (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

OUTPUT

VOH

Output voltage (high)(2)

TA = 25°C, VS+ = 3.3 V

2.35

2.4

VOH

Output voltage (high)(2)

TA = 25°C

3.95

4.1

TA = –40°C to +125°C

VOL

Output voltage (low)(2)

TA = 25°C, VS+ = 3.3 V

1.05

1.15

VOL

Output voltage (low)(2)

TA = 25°C

1.05

1.15

TA = –40°C to +125°C

1.1

IO_LIN

Linear output drive (sink and source)

RL = 10 Ω, AOL > 60 dB

TA = –40°C to +125°C, RL = 10 Ω, AOL > 60 dB

ISC

Output short-circuit current

105

POWER SUPPLY

Quiescent current

17.8

19.5

TA = –40°C

16.7

TA = 125°C

19.5

PSRR+

Positive power-supply rejection ratio

PSRR–

Negative power-supply rejection ratio

POWER DOWN

Disable voltage threshold

Amplifier OFF below this voltage

0.65

Enable voltage threshold

Amplifier ON below this voltage

1.5

1.8

Power-down quiescent current

140

μA

PD bias current

140

μA

Turnon time delay

Time to VOUT = 90% of final value

Turnoff time delay

120

(1)

Current flowing into the input pin is considered negative

(2)

Amplifier output saturated

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OPA855-Q1

SBOSA57A – FEBRUARY 2021 – REVISED MARCH 2021

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