OPAx347 datasheet(4/20 Pages) TI1

Part #	OPAx347

Description	FAMILY OF MICROPOWER RAIL-TO-RAIL INPUT AND OUTPUT OPERATIONAL AMPLIFIERS

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TLV2381

TLV2382

SLOS377A – SEPTEMBER 2001– REVISED JULY 2003

4

www.ti.com

electrical characteristics at recommended operating conditions, VS = 2.7 V, 5 V, and 15 V (unless

otherwise noted) (continued)

power supply

PARAMETER

TEST CONDITIONS

TA†

MIN

TYP

MAX

UNIT

IDD

Supply current (per channel)

VO = VS/2

25

°C

7

10

µA

IDD

Supply current (per channel)

VO = VS/2

Full range

15

µA

PSRR

Power supply rejection ratio (

∆VS/∆VIO)

VS = 2.7 V to 16V,

No load,

25

°C

74

82

dB

PSRR

Power supply rejection ratio (

∆VS/∆VIO)

VS = 2.7 V to 16V,

VIC = VS/2 V

No load,

Full range

70

dB

† Full range is –40°C to 125°C for I suffix.

output characteristics

PARAMETER

TEST CONDITIONS

TA†

MIN

TYP

MAX

UNIT

V

Output voltage swing from rail

V

= V /2,

VS = 2.7 V

25

°C

200

160

mV

V

Output voltage swing from rail

V

= V /2,

VS = 2.7 V

Full range

220

mV

V

Output voltage swing from rail

VIC = VS/2,

VS = 5 V

25

°C

120

85

mV

V

Output voltage swing from rail

VIC = VS/2,

IO = 100 µA

VS = 5 V

Full range

200

mV

VO

Output voltage swing from rail

VS = 15 V

25

°C

120

50

VO

Output voltage swing from rail

VS = 15 V

Full range

150

V

= V /2,

VS = 5 V

25

°C

800

420

mV

VIC = VS/2,

VS = 5 V

Full range

900

mV

VIC = VS/2,

IO = 500 µA

VS = 15 V

25

°C

400

200

mV

VS = 15 V

Full range

500

IO

Output current

VO = 0.5 V from rail

VS = 2.7 V

25

°C

400

µA

† Full range is –40°C to 125°C for I suffix.

dynamic performance

PARAMETER

TEST CONDITIONS

TA

MIN

TYP

MAX

UNIT

GBP

Gain bandwidth product

RL = 100 kΩ , CL = 10 pF, f = 1 kHz

25

°C

160

kHz

SR

Slew rate at unity gain

VO(pp) = 2 V,

RL = 100 kΩ

25

°C

0.06

V/ s

SR

Slew rate at unity gain

VO(pp) = 2 V,

RL = 100 kΩ,

CL = 10 pF

–40

°C

0.05

V/

µs

CL = 10 pF

125

°C

0.08

φM

Phase margin

RL = 100 kΩ,

CL = 50 pF

25

°C

62

°

Gain margin

RL = 100 kΩ,

CL = 50 pF

25

°C

6.7

dB

ts

Settling time (0.1%)

V(STEP)pp = 1 V, AV = –1,

Rise

25

°C

31

µs

ts

Settling time (0.1%)

V(STEP)pp = 1 V, AV = –1,

CL = 10 pF,

RL = 100 kΩ

Fall

25

°C

61

µs

noise/distortion performance

PARAMETER

TEST CONDITIONS

TA

MIN

TYP

MAX

UNIT

Vn

Equivalent input noise voltage

f = 1 kHz

25

°C

90

nV/

√Hz

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