OPA827
OPA2827
SBOS376A 鈭?NOVEMBER 2006
Low-Noise, High-Precision, JFET-Input,
OPERATIONAL AMPLIFIER
FEATURES
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OFFSET: 250碌V (max)
DRIFT: 1碌V/擄C
LOW NOISE: 4.5nV//Hz at 1kHz
BANDWIDTH: 18MHz
SLEW RATE: 22V/碌s
BIAS CURRENT: 3pA
QUIESCENT CURRENT: 4.5mA/Ch
WIDE SUPPLY RANGE:
+4V
to
+18V
SINGLE PACKAGES: MSOP-8, SO-8
DUAL PACKAGES: TSSOP-8, SO-8
DESCRIPTION
The OPA827 series of JFET operational amplifiers
combines outstanding dc precision with excellent ac
performance. It offers 100碌V of offset, very low drift
(1碌V/擄C) over temperature, low bias currents, and very low
flicker noise of 400nV
PP
(0.1Hz to 10Hz). It operates over
a very wide supply voltage range of
鹵4V
to
鹵18V
on a low
4.5mA supply current. A dual version is also available for
the OPA827 family.
Excellent ac characteristics, such as 18MHz gain
bandwidth (GBW) and 22V/碌s slew rate, and precision dc
characteristics make the OPA827 series well-suited for a
wide range of applications such as 16- to 18-bit data
acquisition systems, transimpedance (I/V鈭抍onversion)
amplifiers, filters, precision
鹵10V
front-ends, and
professional audio applications.
The single version (OPA827) is available in both MSOP-8
and standard SO-8 surface-mount packages. The dual
version (OPA2827) is available in the small TSSOP-8 and
in the standard SO-8 packages. All versions are specified
from 鈭?0擄C to +125擄C.
APPLICATIONS
PRECISION
+10V
INPUT FRONT-ENDS
TRANSIMPEDANCE AMPLIFIERS
INTEGRATORS
ACTIVE FILTERS
A/D CONVERTER DRIVERS
DAC OUTPUT BUFFERS
HIGH-PERFORMANCE AUDIO
PROCESS CONTROL
TEST EQUIPMENT
MEDICAL EQUIPMENT
+15V
2.2碌F
100nF
100pF
500鈩?/div>
200鈩?/div>
V
IN
ADS8505
500鈩?/div>
V
IN
100pF
OPA827
33.2k鈩?/div>
REF
2.2碌F
AGND1
2.2碌F
CAP
100nF
2.2碌F
DGND
AGND2
鈭?5V
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.
PRODUCT PREVIEW information concerns products in the formative or design
phase of development. Characteristic data and other specifications are design
goals. Texas Instruments reserves the right to change or discontinue these
products without notice.
Copyright
錚?/div>
2006, Texas Instruments Incorporated
www.ti.com
PRODUCT PREVIEW
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