1

FEATURES

DESCRIPTION

APPLICATIONS

RELATED PRODUCTS

Single-Supply, Differential, 2nd-Order, 5MHz, Low-Pass Sallen-Key Filter

1500

Ω

506

Ω

0.1

µF

506

Ω

238

Ω

5k

Ω

5k

Ω

238

Ω

0.1

µF

750

Ω

750

Ω

V

O

V

I

+5V

1/2

OPA2830

1/2

OPA2830

238

Ω

238

Ω

BUF602

150pF

150pF

100pF

100pF

0.1

µF

+5V

2.5V

OPA2830

Dual, Low-Power, Single-Supply, Wideband

OPERATIONAL AMPLIFIER

2

• HIGH BANDWIDTH:

The OPA2830 is a dual, low-power, single-supply,

230MHz (G = +1), 100MHz (G = +2)

wideband, voltage-feedback amplifier designed to

operate on a single +3V or +5V supply. Operation on

• LOW SUPPLY CURRENT: 7.8mA (V

±5V or +10V supplies is also supported. The input

• FLEXIBLE SUPPLY RANGE:

range extends below ground and to within 1.8V of the

±1.5V to ±5.5V Dual Supply

positive

supply.

Using

complementary

+3V to +11V Single Supply

common-emitter outputs provides an output swing to

• INPUT RANGE INCLUDES GROUND ON

High output drive current (75mA) and low differential

SINGLE SUPPLY

gain and phase errors also make it ideal for

• 4.82V

single-supply consumer video products.

• HIGH SLEW RATE: 500V/µs

Low distortion operation is ensured by the high gain

• LOW INPUT VOLTAGE NOISE: 9.2nV/√Hz

bandwidth

product

(100MHz)

and

slew

rate

• AVAILABLE IN AN MSOP-8 PACKAGE

(500V/

µs), making the OPA2830 an ideal input buffer

stage

to

3V

and

5V

CMOS

Analog-to-Digital

Converters

(ADCs).

Unlike

earlier

low-power,

single-supply

amplifiers,

distortion

performance

• SINGLE-SUPPLY ADC INPUT BUFFERS

improves as the signal swing is decreased. A low

• SINGLE-SUPPLY VIDEO LINE DRIVERS

9.2nV/

√Hz input voltage noise supports wide dynamic

• CCD IMAGING CHANNELS

range operation.

• LOW-POWER ULTRASOUND

The OPA2830 is available in an industry-standard

• PLL INTEGRATORS

SO-8 package. The OPA2830 is also available in a

• PORTABLE CONSUMER ELECTRONICS

small MSOP-8 package. For fixed-gain and line driver

• LOW-POWER ACTIVE FILTERS

applications, consider the OPA2832.

DESCRIPTION

SINGLES

DUALS

TRIPLES

QUADS

Rail-to-Rail

OPA830

—

—

OPA4830

Rail-to-Rail Fixed-Gain

OPA832

OPA2832

OPA3832

—

General-Purpose

OPA690

OPA2690

OPA3690

—

(1800V/s slew rate)

Low-Noise,

OPA820

OPA2822

—

OPA4820

High DC Precision

1

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas

Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

2

All trademarks are the property of their respective owners.

PRODUCTION DATA information is current as of publication date.

Copyright © 2004–2008, Texas Instruments Incorporated

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.