FEATURES

250MHz (G = +1)

110MHz (G = +2)

±1.4V to ±5.5V Dual Supply

+2.8V to +11V Single Supply

SINGLE SUPPLY

APPLICATIONS

CONVERTER (ADC) INPUT BUFFERS

OPA830

V

IN

750

Ω

562

Ω

2.26k

Ω

374

Ω

22pF

+3V

100

Ω

+3V

THS1040

10−Bit

40MSPS

DC-Coupled, +3V ADC Driver

DESCRIPTION

The OPA830 is a low-power, single-supply, wideband,

voltage-feedback amplifier designed to operate on a single

+3V or +5V supply. Operation on

±5V or +10V supplies is also

supported. The input range extends below the negative

supply and to within 1.7V of the positive supply. Using

complementary common-emitter outputs provides an output

swing to within 25mV of either supply while driving 150

Ω. High

output drive current (

±80mA) and low differential gain and

phase errors also make them ideal for single-supply

consumer video products.

Low distortion operation is ensured by the high gain

bandwidth product (110MHz) and slew rate (550V/

µs), making

the OPA830 an ideal input buffer stage to 3V and 5V CMOS

ADCs. Unlike other low-power, single-supply amplifiers,

distortion performance improves as the signal swing is

decreased. A low 9.2nV/

√Hz input voltage noise supports

wide dynamic range operation.

The OPA830 is available in an industry-standard SO-8

package. The OPA830 is also available in an ultra-small

SOT23-5 package. For fixed-gain line driver applications,

consider the OPA832.

RELATED PRODUCTS

DESCRIPTION

SINGLES

DUALS

TRIPLES

QUADS

Rail-to-Rail

—

OPA2830

—

OPA4830

Rail-to-Rail Fixed Gain

OPA832

OPA2832

OPA3832

—

General-Purpose

(1800V/

µs slew rate)

OPA690

OPA2690

OPA3690

—

Low-Noise,

High DC Precision

OPA820

OPA2822

—

OPA4820

OPA830

SBOS263F − AUGUST 2004 − REVISED AUGUST 2008

Low-Power, Single-Supply, Wideband

Operational Amplifier

PRODUCTION DATA information is current as of publication date. Products

conform to specifications per the terms of Texas Instruments standard warranty.

Production processing does not necessarily include testing of all parameters.

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 2004−2008, Texas Instruments Incorporated

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

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