OPA2835IDR datasheet(5/49 Pages) TI1

Part #	OPA2835IDR

Description	Ultra Low-Power, Rail-to-Rail Out, Negative Rail In, VFB Op Amp

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Manufacturer	TI1 [Texas Instruments]

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OPA835

OPA2835

www.ti.com

SLOS713D

– JANUARY 2011 – REVISED OCTOBER 2011

SPECIFICATIONS: VS+ = 2.7 V (continued)

Test conditions unless otherwise noted: VS+ = +2.7 V, VS– = 0 V, VOUT = 1 VPP, RF = 0 Ω, RL = 2 kΩ, G = 1 V/V, Input and

Output Referenced to mid-supply. TA = 25°C. Unless otherwise noted

TEST

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

LEVEL(1)

GAIN SETTING RESISTORS (OPA835IRUN ONLY)

Resistor FB1 to FB2

DC resistance

2376

2400

2424

Ω

A

Resistor FB2 to FB3

DC resistance

1782

1800

1818

Ω

A

Resistor FB3 to FB4

DC resistance

594

600

606

Ω

A

Resistor Tolerance

DC resistance

±1

%

A

Resistor Temperature Coefficient

DC resistance

<10

PPM

C

POWER SUPPLY

Specified operating voltage

2.5

5.5

V

B

TA = 25°C

175

245

340

µA

A

Quiescent operating current per

amplifer

TA = –40°C to 125°C

135

345

µA

B

Power supply rejection (

±PSRR)

88

105

dB

A

POWER DOWN (PIN MUST BE DRIVEN)

Enable voltage threshold

Specified

"on" above VS–+ 2.1 V

1.4

2.1

V

A

Disable voltage threshold

Specified

"off" below VS–+ 0.7 V

0.7

1.4

V

A

Powerdown pin bias current

PD = 0.5 V

20

500

nA

A

Powerdown quiescent current

PD = 0.5 V

0.5

1.5

µA

A

Time from PD = high to VOUT = 90% of final

Turn-on time delay

250

ns

C

value

Time from PD = low to VOUT = 10% of original

Turn-off time delay

50

ns

C

value

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