OPA348 datasheet(7/35 Pages) TI2

7 / 35 page

OPA348-Q1, OPA2348-Q1, OPA4348-Q1

www.ti.com

SBOS465C – JANUARY 2009 – REVISED JANUARY 2016

6.6 Electrical Characteristics

At VS = 2.5 V to 5.5 V, RL = 100 kΩ connected to VS / 2, VOUT = VS / 2 (unless otherwise noted).

PARAMETER

TEST CONDITIONS

(1)

MIN

TYP

MAX

UNIT

25°C

VOS

Input offset voltage

VS = 5 V, VCM = (V–) + 0.8 V

Full range

ΔVOS/ΔT

Offset voltage drift over temperature

Full range

µV/°C

25°C

175

PSRR

Offset voltage drift vs power supply

VS = 2.5 V to 5.5 V, VCM < (V+) – 1.7 V

µV/V

Full range

300

25°C

0.2

µV/V

Channel separation

f = 1 kHz

25°C

134

VCM

Input common-mode voltage range

25°C

(V–) – 0.2

(V+) + 0.2

25°C

(V–) – 0.2 V < VCM < (V+) – 1.7 V

Full range

CMRR

Input common-mode rejection ratio

VS = 5.5 V, (V–) – 0.2 V < VCM < (V+) + 0.2 V

25°C

VS = 5.5 V, (V–) < VCM < (V+)

Full range

Input bias current

25°C

±0.5

±10

IOS

Input offset current

25°C

±0.5

±10

Differential

1013|| 3

Input impedance

25°C

Ω || pF

Common-mode

1013|| 3

Input voltage noise

VCM < (V+) – 1.7 V, f = 0.1 Hz to 10 Hz

25°C

µVPP

Input voltage noise density

VCM < (V+) – 1.7 V, f = 1 kHz

25°C

nV/

√Hz

Input current noise density

VCM < (V+) – 1.7 V, f = 1 kHz

25°C

fA/

√Hz

25°C

108

VS = 5 V, RL = 100 kΩ,

0.025 V < VO < 4.975 V

Full range

AOL

Open-loop voltage gain

25°C

VS = 5V, RL = 5 kΩ,

0.125 V < VO < 4.875 V

Full range

25°C

RL = 100 k

Ω, AOL > 94 dB

Full range

Voltage output swing from rail

25°C

100

125

RL = 5 k

Ω, AOL > 90 dB

Full range

125

ISC

Output short-circuit current

25°C

±10

CLOAD

Capacitive load drive

See the Typical Characteristics section

25°C

GBW

Gain-bandwidth product

CL = 100 pF

25°C

MHz

Slew rate

CL = 100 pF, G = +1

25°C

0.5

V/µs

0.1%

Settling

CL = 100 pF, VS = 5.5 V, 2V- step, G = +1

25°C

µs

time

0.01%

Overload recovery time

VIN × Gain > VS

25°C

1.6

µs

CL = 100 pF, VS = 5.5 V, VO = 3 VPP,

THD+N

Total harmonic distortion plus noise

25°C

0.0023%

G = +1, f = 1 kHz

25°C

Quiescent current

Per amplifier

µA

Full range

(1)

Full range TA = –40°C to +125°C.

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