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Burr-Brown - Dual / Wideband / Low Noise / Voltage Feedback OPERATIONAL AMPLIFIER

Numéro de référence OPA2686
Description Dual / Wideband / Low Noise / Voltage Feedback OPERATIONAL AMPLIFIER
Fabricant Burr-Brown 
Logo Burr-Brown 





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OPA2686 fiche technique
® OPA2686
OPA2686
TM Dual, Wideband, Low Noise,
Voltage Feedback OPERATIONAL AMPLIFIER
FEATURES
q HIGH GAIN BANDWIDTH: 1.6GHz
q LOW INPUT VOLTAGE NOISE: 1.4nV/Hz
q VERY LOW DISTORTION: –90dBc (5MHz)
q LOW SUPPLY CURRENT: 12mA/chan.
q HIGH CHANNEL ISOLATION: 70dB
q ±5V OPERATION
q STABLE FOR GAINS +7
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/Hz 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/µs), and broad bandwidth allow exceptional xDSL
differential receivers to be implemented. Additionally,
de-compensated, low-noise voltage-feedback op amps
are ideal for broadband transimpedance requirements.
APPLICATIONS
q LOW NOISE, DIFFERENTIAL AMPLIFIERS
q xDSL RECEIVER AMPLIFIER
q ULTRASOUND HIGH GAIN PREAMP
q DIFFERENTIAL ADC PREAMP
q MATCHED I AND Q CHANNEL AMPLIFIERS
q MATCHED TRANSIMPEDANCE AMPLIFIERS
q PROFESSIONAL AUDIO DUAL
TRANSIMPEDANCE
The dual channel OPA2686 provides matched channels
for high speed differencing transimpedance require-
ments. 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 amplifiers.
OPA2686 RELATED PRODUCTS
SINGLES
OPA643
OPA686
OPA687
INPUT NOISE
VOLTAGE (nV/Hz)
2.3
1.3
0.95
GAIN BANDWIDTH
PRODUCT (MHz)
800
1600
3600
Diplexer
RG
RG
Driver
1/2
OPA2686
RF
RF
1/2
OPA2686
Passive
Filter
Analog
Front
End
Low Noise VDSL Receiver
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/ • Cable: BBRCORP • Telex: 066-6491 • FAX: (520) 889-1510 • Immediate Product Info: (800) 548-6132
©1998 Burr-Brown Corporation
PDS-11371B
OPPArint2ed6in8U6.S.A. May, 2000
®

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