OPA397DBVR datasheet(8/30 Pages) TI

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6.5 Electrical Characteristics (continued)

at TA = 25°C, VS = 1.7 V to 5.5 V (single-supply) or VS = ±0.85 V to ±2.75 V (dual-supply), RL = 10 kΩ connected to VS / 2,

VCM = VS / 2, and VOUT = VS / 2 (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

OPEN-LOOP GAIN

AOL

Open-loop voltage gain

VS = 5.5

(V–) + 50 mV < VOUT <

(V+) – 50 mV, RL = 10 kΩ

115

132

(V–) + 100 mV < VOUT <

(V+) – 100 mV, RL = 2 kΩ

110

128

(V–) + 100 mV < VOUT <

(V+) – 100 mV, RL = 2 kΩ,

TA = –40°C to +125°C

100

VS = 1.7

(V–) + 50 mV < VOUT <

(V+) – 50 mV, RL = 10 kΩ,

VCM = (V+) – 1.15 V

106

124

(V–) + 100 mV < VOUT <

(V+) – 100 mV, RL = 2 kΩ,

VCM = (V+) – 1.15 V

106

124

(V–) + 100 mV < VOUT <

(V+) – 100 mV, RL = 2 kΩ,

VCM = (V+) – 1.15 V,

TA = –40°C to +125°C

100

FREQUENCY RESPONSE

GBW

Gain-bandwidth product

AV = 1000 V/V

MHz

Slew rate

4-V step, gain = +1

falling

4.5

V/μs

rising

3.5

V/μs

Phase margin

CL = 100 pF

Settling time

To 0.1%, 2-V step, gain = +1

0.75

μs

To 0.01%, 2-V step, gain = +1

Overload recovery time

VIN × gain > VS

0.45

μs

THD+N

Total harmonic distortion +

noise

VOUT = 1 VRMS, gain = +1, f = 1 kHz, RL = 10 kΩ,

VCM = (V–) + 1.5 V

–112

0.00025

OUTPUT

Voltage output swing from

both rails

VS = 1.7 V

RL = 10 kΩ

RL = 2 kΩ

VS = 5.5 V

RL = 10 kΩ

RL = 2 kΩ

ISC

Short-circuit current

Sinking, VS = 5.5 V

–55

Sourcing, VS = 5.5 V

Open-loop output

impedance

f = 1 MHz

120

Ω

POWER SUPPLY

Quiescent current per

amplifier

IO = 0 mA

1.22

1.4

IO = 0 mA, TA = –40°C to +125°C

1.5

OPA397

SBOSA02 – AUGUST 2021

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