TLV2721 datasheet(6/28 Pages) TI

6 / 28 page

TLV2721, TLV2721Y

Advanced LinCMOS

™ RAIL-TO-RAIL

VERY LOW-POWER SINGLE OPERATIONAL AMPLIFIERS

SLOS197 – AUGUST 1997

POST OFFICE BOX 655303

• DALLAS, TEXAS 75265

operating characteristics at specified free-air temperature, VDD = 3 V

PARAMETER

TEST CONDITIONS

TA†

TLV2721C

TLV2721I

UNIT

PARAMETER

TEST CONDITIONS

TA†

MIN

TYP

MAX

MIN

TYP

MAX

UNIT

Slew rate at unity

VO =1 1Vto1 9V

R2 k

Ω‡

°C

0.1

0.25

0.1

0.25

Slew rate at unity

gain

VO = 1.1 V to 1.9 V,

CL = 100 pF‡

RL = 2 kΩ‡,

Full

range

0.05

µs

Equivalent input

f = 10 Hz

°C

120

nV/

√Hz

noise voltage

f = 1 kHz

°C

nV/

√Hz

VN(PP)

Peak-to-peak

equivalent input

f = 0.1 Hz to 1 Hz

°C

680

VN(PP) equivalent input

noise voltage

f = 0.1 Hz to 10 Hz

°C

860

Equivalent input

noise current

°C

0.6

fA /

√Hz

VO = 1 V to 2 V,

20 kHz

AV = 1

°C

2.52%

THD+N

Total harmonic

f = 20 kHz,

RL = 2 kΩ‡

AV = 10

°C

7.01%

THD+N

distortion plus noise

VO = 1 V to 2 V,

20 kHz

AV = 1

°C

0.076%

f = 20 kHz,

RL = 2 kΩ§

AV = 10

°C

0.147%

Gain-bandwidth

product

f = 1 kHz,

CL = 100 pF‡

RL = 2 kΩ‡,

°C

480

kHz

BOM

Maximum

output-swing

bandwidth

VO(PP) = 1 V,

RL = 2 kΩ‡,

AV = 1,

CL = 100 pF‡

°C

kHz

Settling time

AV = –1,

Step = 1 V to 2 V,

To 0.1%

°C

4.5

µs

Settling time

RL = 2 kΩ‡,

CL = 100 pF‡

To 0.01%

°C

6.8

µs

φm

Phase margin at

unity gain

RL = 2 kΩ‡,

CL = 100 pF‡

°C

Gain margin

°C

† Full range is – 40

°C to 85°C.

‡ Referenced to 1.5 V

§ Referenced to 0 V

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