OPA628 Burr-Brown, OPA628 Datasheet

OPA628

Manufacturer Part Number

OPA628

Description

Low Distortion Wideband OPERATIONAL AMPLIFIER

Manufacturer

Burr-Brown

Datasheet

1.OPA628.pdf (13 pages)

Available stocks

Company

Part Number

Manufacturer

Quantity

Price

Company:

Meier Automation Equipment Co., Limited

Part Number:

OPA628AP

Manufacturer:

Quantity:

20 000

Company:

Meier Automation Equipment Co., Limited

Part Number:

OPA628AU

Manufacturer:

PMI

Quantity:

20 000

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International Airport Industrial Park • Mailing Address: PO Box 11400, Tucson, AZ 85734 • Street Address: 6730 S. Tucson Blvd., Tucson, AZ 85706 • Tel: (520) 746-1111 • Twx: 910-952-1111

Internet: http://www.burr-brown.com/ • FAXLine: (800) 548-6133 (US/Canada Only) • Cable: BBRCORP • Telex: 066-6491 • FAX: (520) 889-1510 • Immediate Product Info: (800) 548-6132

FEATURES

DESCRIPTION

The OPA628 is a low distortion, wideband operational

amplifier. It features low differential gain error of

0.015% and low differential phase error of 0.015 at

NTSC and PAL frequencies with a 150 load (a back-

terminated 75

30MHz, and the excellent differential gain and phase

make the OPA628 ideal for broadcast quality video

applications. In addition, the spurious free dynamic

range of 90dB makes the OPA628 an excellent choice

to buffer the input of precision Analog-to-Digital con-

verters. It can also be used to provide a buffer for the

output of precision high speed Digital-to-Analog con-

verters. The two-tone third-order intercept of the

OPA628 is 60dBm.

The OPA628 is a unity gain stable, voltage feedback

operational amplifier. It has all of the benefits asso-

ciated with voltage feedback amplifiers including

high input impedance, high common mode rejection,

and symmetrical differential input flexibility. The

unity gain bandwidth of the OPA628 is 160MHz. The

low noise of 2.5nV/ Hz and low noise figure of 9dB

sion applications requiring wide dynamic range.

The superior distortion performance of the OPA628 is

achieved by its multistage architecture which provides

high open-loop gain. The distortion performance is

1993 Burr-Brown Corporation

EXCELLENT DIFFERENTIAL GAIN: 0.015%

EXCELLENT DIFFERENTIAL PHASE: 0.015

LOW DISTORTION: 90dB SFDR

TWO-TONE THIRD-ORDER INTERCEPT:

LOW NOISE: 2.5nV/ Hz

LOW NOISE FIGURE: 9dB

BANDWIDTH (Gain = +1): 160MHz

LOW OFFSET VOLTAGE: 500 V

60dBm

0.1dB GAIN FLATNESS: 30MHz

= 50

make the OPA628 very useful in preci-

cable). The 0.1dB gain flatness to

OPERATIONAL AMPLIFIER

Low Distortion Wideband

PDS-1204B

Non-Inverting

additionally enhanced by separating the power sup-

plies to the input and output stages requiring four

power supply connections as shown in the block

diagram below. This separation of supplies eliminates

the effects of package and wire bond parasitic capaci-

tance and inductance. The OPA628 is powered with

OPA628 is available in 8-pin SOIC package. The

temperature range is –40 C to +85 C.

APPLICATIONS

Inverting

5VDC supplies for low power dissipation. The

Input

BROADCAST QUALITY VIDEO

MEDICAL IMAGING

LOW NOISE PREAMPLIFIER

PRECISION ADC/DAC BUFFER

ANALYTICAL INSTRUMENTS

ACTIVE FILTERS

TELECOMMUNICATIONS

DC RESTORATION CIRCUITS

Active

Load

–V

, Input Stage

Printed in U.S.A. March, 1998

OPA628

–V

, Output Stage

Output

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