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OPA623 Datasheet

  • OPA623

  • Wide Bandwidth, Current-Feedback OPERATIONAL AMPLIFIER

  • 15頁(yè)

  • BB

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OPA
623
OPA623
OPA
623
Wide Bandwidth, Current-Feedback
OPERATIONAL AMPLIFIER
FEATURES
q
BANDWIDTH: 350MHz, 2.8Vp-p
q
HIGH OUTPUT CURRENT:
70mA
q
SLEW RATE: 2100V/
s, 5Vp-p
q
DIFFERENTIAL GAIN/PHASE: 0.12%/0.05
q
LOW QUIESCENT CURRENT:
4mA
q
LOW INPUT BIAS CURRENT: 1.2
A
q
RISE TIME: 1.9ns, 5Vp-p
q
SETTLING TIME: 9ns, 0.1%
APPLICATIONS
q
BROADCAST/HDTV EQUIPMENT
q
HIGH-SPEED DIGITAL COMMUNICATIONS
q
PULSE/RF AMPLIFIERS
q
HIGH-SPEED ANALOG SIGNAL
PROCESSING
q
LINE DRIVING (50鈩? 75鈩?
q
DISTRIBUTION AMP
q
CRT OUTPUT STAGE DRIVER
q
ACTIVE FILTER
DESCRIPTION
The OPA623 is a current-feedback operational ampli-
fier designed for precision wide-bandwidth systems
including high-resolution video, RF and IF circuitry,
and communications equipment.
The new circuit design, together with the complemen-
tary bipolar process, achieves performance pre-
viously unattainable in monolithic integrated circuit
technology.
The current-feedback op amp is optimized for wide
bandwidth, excellent pulse response, gain flatness,
low distortion, and operation at a low quiescent cur-
rent of
鹵4mA.
It provides a 350MHz large-signal bandwidth at
2.8Vp-p output voltage, as well as a 2100V/碌s slew
rate. The gain flatness of 0.05dB over a 30MHz
bandwidth makes it suitable for HDTV designs. An-
other feature of the op amp is its high output current
of
鹵70mA,
enabling it to drive two back-terminated
75鈩?cables when using the amplifier as a line driver in
video routers, distribution amplifiers, and analog and
digital communications equipment.
The OPA623 operates from a
鹵5V
supply, is speci-
fied for the extended industrial temperature range
(鈥?0擄C to +85擄C), and is available in plastic SO-8
and 8-pin plastic DIP packages.
LARGE SIGNAL PULSE RESPONSE
+2.5V
Output voltage
OV
鈥?.5V
Output Voltage - 5Vp-p, 5ns/DIV
R
IN
V
IN
= 2.5Vp-p
180鈩?/div>
+V
CC
3
2
7
OPA623
6
V
OUT
= 5.0Vp-p
鈥揤
CC
4
R
2
R
1
300
鈩?/div>
300鈩?/div>
G = 1 + R
2
/R
1
= +2V/V
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 鈥?Twx: 910-952-1111
Internet: http://www.burr-brown.com/ 鈥?FAXLine: (800) 548-6133 (US/Canada Only) 鈥?Cable: BBRCORP 鈥?Telex: 066-6491 鈥?FAX: (520) 889-1510 鈥?Immediate Product Info: (800) 548-6132
1991 Burr-Brown Corporation
PDS-1132E
1
Printed in U.S.A. December, 1993
OPA623

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