OPA2686 Datasheet

IC型號(hào)：
OPA2686
PDF描述：
OPA2686 - Speed Plus Dual. Wideband. Low Noise. Voltage Feed...
文件大小：
232.50KB
PDF頁數(shù)：
18頁
芯片廠家：
ETC

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OPA

268

OPA2686

Dual, Wideband, Low Noise,

Voltage Feedback OPERATIONAL AMPLIFIER

FEATURES

HIGH GAIN BANDWIDTH: 1.6GHz

LOW INPUT VOLTAGE NOISE: 1.4nV/鈭欻z

VERY LOW DISTORTION: 鈥?0dBc (5MHz)

LOW SUPPLY CURRENT: 12mA/chan.

HIGH CHANNEL ISOLATION: 70dB

鹵

5V OPERATION

STABLE FOR GAINS

鈮?/div>

APPLICATIONS

LOW NOISE, DIFFERENTIAL AMPLIFIERS

xDSL RECEIVER AMPLIFIER

ULTRASOUND HIGH GAIN PREAMP

DIFFERENTIAL ADC PREAMP

MATCHED I AND Q CHANNEL AMPLIFIERS

MATCHED TRANSIMPEDANCE AMPLIFIERS

PROFESSIONAL AUDIO DUAL

TRANSIMPEDANCE

DESCRIPTION

The OPA2686 provides two very low noise, high gain

bandwidth, voltage feedback op amps in a single

package. Operating from a low 12mA/channel quies-

cent current, each channel provides a 1.4nV/鈭欻z input

voltage noise with a 1.6GHz gain bandwidth product.

Minimum stable gain is specified at +7V/V while

exceptional flatness is guaranteed at a gain of +10.

The combination of low noise, high slew rate

(600V/碌s), and broad bandwidth allow exceptional

xDSL differential receivers to be implemented. De-

compensated, low noise voltage-feedback op amps are

ideal for broadband transimpedance requirements. The

dual channel OPA2686 provides matched channels for

high speed differencing transimpedance requirements.

With over 200MHz bandwidth at a gain of 20dB,

excellent gain and phase matching is provided at IF

frequencies for matched I and Q channel preamps.

OPA2686 RELATED PRODUCTS

SINGLES

OPA643

OPA686

OPA687

INPUT NOISE

VOLTAGE (nV/

鈭?/div>

Hz)

2.3

1.3

0.95

GAIN BANDWIDTH

PRODUCT (MHz)

800

1600

3600

1/2

OPA2686

Passive

Filter

Analog

Front

End

Diplexer

1/2

OPA2686

Driver

Low Noise VDSL Receiver

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

Twx: 910-952-1111 鈥?Internet: http://www.burr-brown.com/ 鈥?Cable: BBRCORP 鈥?Telex: 066-6491 鈥?FAX: (520) 889-1510 鈥?Immediate Product Info: (800) 548-6132

漏

1998 Burr-Brown Corporation

PDS-1371A

Printed in U.S.A. October, 1998

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