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OPA655 Fiches technique(PDF) 1 Page - Burr-Brown (TI)

[Old version datasheet] Texas Instruments acquired Burr-Brown Corporation.
No de pièce OPA655
Description  Wideband, Unity Gain Stable, FET-Input OPERATIONAL AMPLIFIER
Download  14 Pages
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Fabricant  BURR-BROWN [Burr-Brown (TI)]
Site Internet  http://www.burr-brown.com
Logo BURR-BROWN - Burr-Brown (TI)

OPA655 Fiches technique(HTML) 1 Page - Burr-Brown (TI)

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© 1994 Burr-Brown Corporation
PDS-1271D
Printed in U.S.A. May, 1997
DESCRIPTION
The OPA655 combines a very wideband, unity gain
stable, voltage feedback op amp with a FET input
stage to offer an ultra high dynamic range amplifier
for ADC buffering and transimpedance applications.
Extremely low harmonic distortion along with excel-
lent pulse settling characteristics will support even the
most demanding ADC input buffer requirements.
The broad unity gain stable bandwidth and FET input
allows exceptional performance in high speed, low
noise integrators.
The high input impedance and low bias current pro-
vided by the FET input is further supported by the
ultra-low 6nV/
√Hz input voltage noise to achieve a
very low integrated noise in wideband photodiode
transimpedance applications.
Broad transimpedance bandwidths are achievable given
the OPA655’s high 240MHz gain bandwidth product.
As shown below, a –3dB bandwidth of 1MHz is
provided even for a high 1M
Ω transimpedance gain
from a 47pF source capacitance.
FEATURES
q 400MHz UNITY GAIN BANDWIDTH
q LOW INPUT BIAS CURRENT: 5pA
q HIGH INPUT IMPEDANCE: 1012
Ω || 1.0pF
q ULTRA-LOW dG/dP: 0.006%/0.009
°
q LOW DISTORTION: 90dB SFDR at 5MHz
q FAST SETTLING: 17ns (0.01%)
q HIGH OUTPUT CURRENT: 60mA
q FAST OVERDRIVE RECOVERY
Wideband, Unity Gain Stable, FET-Input
OPERATIONAL AMPLIFIER
OPA655
APPLICATIONS
q WIDEBAND PHOTODIODE
AMPLIFIER
q PEAK DETECTOR
q CCD OUTPUT BUFFER
q ADC INPUT BUFFER
q HIGH SPEED INTEGRATOR
q TEST AND MEASUREMENT FRONT END
®
Frequency
1M
Ω TRANSIMPEDANCE BANDWIDTH
130
120
110
100
90
80
10kHz
100kHz
1MHz
5MHz
1MHz Bandwidth
OPA655
Wideband Photodiode Transimpedance Amplifier
(47pF)
λ
–V
b
499k
499k
V
O
100
1pF
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
OPA655
OPA655


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