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OPA2683 반도체 회로 부품 판매점

Wideband / Low-Power / Current Feedback Operational Amplifier



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Burr-Brown
OPA2683 데이터시트, 핀배열, 회로
www.DataSheet4U.com
OPA2683
OPA2683
SBOS244D – MAY 2002 – REVISED JANUARY 2005
Very Low-Power, Dual, Current-Feedback
Operational Amplifier
FEATURES
q REDUCED BANDWIDTH CHANGE VERSUS GAIN
q 150MHz BANDWIDTH G = +2
q > 80MHz BANDWIDTH TO GAIN > +10
q LOW DISTORTION: < –65dBc at 5MHz
q HIGH OUTPUT CURRENT: 110mA
q SINGLE-SUPPLY OPERATION: +5V to +12V
q DUAL-SUPPLY OPERATION: ±2.5V to ±6V
q LOW SUPPLY CURRENT: 1.9mA Total
APPLICATIONS
q LOW-POWER BROADCAST VIDEO DRIVERS
q µPOWER ACTIVE FILTERS
q SHORT-LOOP ADSL CO DRIVERS
q MULTICHANNEL SUMMING AMPLIFIERS
q PROFESSIONAL CAMERAS
q DIFFERENTIAL ADC INPUT DRIVERS
DESCRIPTION
considerable freedom from amplifier bandwidth interaction. This
flexibility allows frequency response peaking elements to be
The OPA2683 provides a new level of performance for dual, very
added, multiple input inverting summing circuits to have greater
low-power, wideband, current-feedback amplifiers. This CFBPLUS
bandwidth, and low-power differential line drivers to meet the
amplifier is among the first to use an internally closed-loop input
demanding requirements of DSL.
buffer stage that significantly enhances performance over earlier
low-power, current-feedback (CFB) amplifiers. This new archi-
tecture provides many of the advantages of a more ideal CFB
The output capability for the OPA2683 also sets a new mark in
performance for very low-power, current-feedback amplifiers. DeD- ataShee
amplifier while retaining the
The closed-loop input stage
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swing on ±5V supplies, the
to support this swing into
OPA2683 also has
a 100load. This
impedance path at the inverting input to sense the feedback error
current. This improved inverting input impedance gives excep-
minimal output headroom requirement is complemented by a
similar 1.2V input stage headroom, giving exceptional capability for
tional bandwidth retention to much higher gains and improved
single +5V operation.
harmonic distortion over earlier solutions limited by inverting input
The OPA2683s low 1.9mA total supply current is precisely trimmed
linearity. Beyond simple high gain applications, the OPA2683
at +25°C. This trim, along with low shift over temperature and supply
CFBPLUS amplifier can allow the gain setting element to be set with
voltage, gives a very robust design over a wide range of operating
conditions.
V+
+
VO
V
IERR
Z(S) IERR
RF
RG
Low-Power
Amplifier
U.S. Patent No. 6,724,260
NONINVERTING SMALL-SIGNAL
FREQUENCY RESPONSE
6
G = 10 G = 1
3
G=2
0
3 G = 50
6
G = 10
9
12 G = 50
15
RF = 953
18
1
G = 100
10
Frequency (Hz)
100 200
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
All trademarks are the property of their respective owners.
DataSheet4U.com
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
Copyright © 2002-2005, Texas Instruments Incorporated
DataSheet4 U .com


OPA2683 데이터시트, 핀배열, 회로
www.DataSheet4U.com
ABSOLUTE MAXIMUM RATINGS(1)
Power Supply ............................................................................... ±6.5VDC
Internal Power Dissipation ................................. See Thermal Information
Differential Input Voltage .................................................................. ±1.2V
Input Voltage Range ............................................................................ ±VS
Storage Temperature Range: ID, IDCN ......................... 40°C to +125°C
Lead Temperature (soldering, 10s) .............................................. +300°C
Junction Temperature (TJ ) ........................................................... +150°C
ESD Rating: Human Body Model (HBM) ........................................ 2000V
Charged Device Model (CDM) .................................. 1000V
NOTE: (1) Stresses above those listed under Absolute Maximum Ratings may
cause permanent damage to the device. Exposure to absolute maximum
conditions for extended periods may affect device reliability.
OPA2683 RELATED PRODUCTS
SINGLES
OPA683
OPA691
OPA685
DUALS
OPA2684
OPA2691
TRIPLES
OPA3684
OPA3691
QUADS FEATURES
OPA4684
Low-Power CFBPLUS
High Slew Rate CFB
> 500MHz CFB
ELECTROSTATIC
DISCHARGE SENSITIVITY
This integrated circuit can be damaged by ESD. Texas Instru-
ments recommends that all integrated circuits be handled with
appropriate precautions. Failure to observe proper handling
and installation procedures can cause damage.
ESD damage can range from subtle performance degradation to
complete device failure. Precision integrated circuits may be more
susceptible to damage because very small parametric changes
could cause the device not to meet its published specifications.
PACKAGE/ORDERING INFORMATION(1)
PRODUCT
OPA2683
"
OPA2683
"
PACKAGE-LEAD
SO-8
"
SOT23-8
"
PACKAGE
DESIGNATOR
D
"
DCN
"
SPECIFIED
TEMPERATURE
RANGE
40°C to +85°C
"
40°C to +85°C
"
PACKAGE
MARKING
OPA2683D
"
B83
"
ORDERING
NUMBER
OPA2683ID
OPA2683IDR
OPA2683IDCNT
OPA2683IDCNR
TRANSPORT
MEDIA, QUANTITY
Rails,100
Tape and Reel, 2500
Tape and Reel, 250
Tape and Reel, 3000
NOTE: (1) For the most current package and ordering information, see the Package Option Addendum located at the end of this data sheet, or refer to our web
site at www.ti.com.
et4U.comPIN CONFIGURATION
Top View
SDO-a8taShTeopeVt4ieUw.com
SOT23-8
DataShee
Out A 1
In A 2
+In A 3
VS 4
8 +VS
7 Out B
6 In B
5 +In B
Out A 1
In A 2
+In A 3
VS 4
8 +VS
7 Out B
6 In B
5 +In B
B83
Pin 1
DataSheet4U.com
2
DataSheet4 U .com
www.ti.com
OPA2683
SBOS244D




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