OPA2650E BURR-BROWN [Burr-Brown Corporation], OPA2650E Datasheet

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OPA2650E

Manufacturer Part Number
OPA2650E
Description
Dual Wideband, Low Power Voltage Feedback OPERATIONAL AMPLIFIER
Manufacturer
BURR-BROWN [Burr-Brown Corporation]
Datasheet
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
APPLICATIONS
© 1994 Burr-Brown Corporation
Dual Wideband, Low Power Voltage Feedback
LOW POWER: 50mW/Chan.
UNITY GAIN STABLE BANDWIDTH:
360MHz
FAST SETTLING TIME: 20ns to 0.01%
LOW HARMONICS: –77dBc at 5MHz
DIFFERENTIAL GAIN/PHASE ERROR:
0.01%/0.025
HIGH OUTPUT CURRENT: 85mA
HIGH RESOLUTION VIDEO
BASEBAND AMPLIFIER
CCD IMAGING AMPLIFIER
ULTRASOUND SIGNAL PROCESSING
ADC/DAC GAIN AMPLIFIER
ACTIVE FILTERS
HIGH SPEED INTEGRATORS
DIFFERENTIAL AMPLIFIER
Non-Inverting
®
OPERATIONAL AMPLIFIER
Inverting
Input
Input
PDS-1266C
1
DESCRIPTION
The OPA2650 is a dual, low power, wideband voltage
feedback operational amplifier. It features a high band-
width of 360MHz as well as a 12-bit settling time of
only 20ns. The low distortion allows its use in commu-
nications applications, while the wide bandwidth and
true differential input stage make it suitable for use in
a variety of active filter applications. Its low distortion
gives exceptional performance for telecommunica-
tions, medical imaging and video applications.
The OPA2650 is internally compensated for unity-
gain stability. This amplifier has a fully symmetrical
differential input due to its “classical” operational
amplifier circuit architecture. Its unusual combination
of speed, accuracy and low power make it an outstand-
ing choice for many portable, multi-channel and other
high speed applications, where power is at a premium.
The OPA2650 is also available in single (OPA650)
and quad (OPA4650) configurations.
NOTE: Diagram shows only one-half of the OPA2650.
Current
Mirror
–V
+V
S
S
C
C
OPA2650
Output
Stage
OPA2650
Printed in U.S.A. June, 1997
Output
®

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OPA2650E Summary of contents

Page 1

Dual Wideband, Low Power Voltage Feedback OPERATIONAL AMPLIFIER FEATURES LOW POWER: 50mW/Chan. UNITY GAIN STABLE BANDWIDTH: 360MHz FAST SETTLING TIME: 20ns to 0.01% LOW HARMONICS: –77dBc at 5MHz DIFFERENTIAL GAIN/PHASE ERROR: 0.01%/0.025 HIGH OUTPUT CURRENT: 85mA APPLICATIONS HIGH RESOLUTION ...

Page 2

SPECIFICATIONS + 5V 100 , and R = 402 PARAMETER FREQUENCY RESPONSE (2) Closed-Loop Bandwidth Gain Bandwidth Product (2) Bandwidth for 0.1dB Flatness (3) Slew Rate Over Temperature ...

Page 3

... NOTE: (1) For detailed drawing and dimension table, see end of data sheet, or Appendix C of Burr-Brown IC Data Book. (2) The “B” grade will be marked with a “B” by pin 8. (3) The MSOP-8 is available on 7" tape and reel with 250 parts, and on 14" tape and reel with 2500 parts. For example, ordering 250 pieces of “OPA2650E- 250” ...

Page 4

TYPICAL PERFORMANCE CURVES + 5V 100 , and R = 402 COMMON-MODE REJECTION vs INPUT COMMON-MODE VOLTAGE 100 –4 –3 –2 – ...

Page 5

TYPICAL PERFORMANCE CURVES + 5V 100 , and R = 402 RECOMMENDED ISOLATION RESISTANCE vs CAPACITIVE LOAD ISO OPA2650 ...

Page 6

TYPICAL PERFORMANCE CURVES + 5V 100 , and R = 402 CLOSED-LOOP BANDWIDTH (G = +10 MSOP-8/SO-8/DIP Bandwidth = 16MHz ...

Page 7

TYPICAL PERFORMANCE CURVES + 5V 100 , and R = 402 APPLICATIONS INFORMATION DISCUSSION OF PERFORMANCE The OPA2650 is a dual low power, wideband voltage feed- back operational ...

Page 8

Keep resistor values as low as possible consistent with output loading considerations. The 402 used for the Typical Performance Plots is a good starting point for design. Note that a 25 feedback resistor, rather than a direct short, is ...

Page 9

ESD PROTECTION ESD damage has been well recognized for MOSFET de- vices, but any semiconductor device is vulnerable to this potentially damaging source. This is particularly true for very high speed, fine geometry processes. ESD damage can cause subtle changes ...

Page 10

FREQUENCY RESPONSE COMPENSATION Each channel of the OPA2650 is internally compensated to be stable at unity gain with a nominal 60 phase margin. This lends itself well to wideband integrator and buffer applications. Phase margin and frequency response flatness will ...

Page 11

... DEMONSTRATION BOARD DEM-OPA265xP DEM-OPA265xU 100M 400M DEM-OPA26xxE Contact your local Burr-Brown sales office or distributor to order demonstration boards. 402 75 Transmission Line 75 1/2 OPA2650 75 11 PACKAGE PRODUCT 8-Pin DIP OPA2650P OPA2650PB SO-8 OPA2650U OPA2650UB MSOP-8 OPA2650E V OUT 75 ® OPA2650 ...

Page 12

– + – + FIGURE 8. Circuit Detail for DEM-OPA265xP Demonstration Board. DEM-OPA265xP Demonstration Board Layout ...

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