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AD8033 fiches techniques PDF

Analog Devices - Op Amps

Numéro de référence AD8033
Description Op Amps
Fabricant Analog Devices 
Logo Analog Devices 





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AD8033 fiche technique
FEATURES
FET input amplifier
1 pA typical input bias current
Very low cost
High speed
80 MHz, −3 dB bandwidth (G = +1)
80 V/μs slew rate (G = +2)
Low noise
11 nV/√Hz (f = 100 kHz)
0.7 fA/√Hz (f = 100 kHz)
Wide supply voltage range: 5 V to 24 V
Low offset voltage: 1 mV typical
Single-supply and rail-to-rail output
High common-mode rejection ratio: −100 dB
Low power: 3.3 mA/amplifier typical supply current
No phase reversal
Small packaging: 8-lead SOIC, 8-lead SOT-23, and 5-lead SC70
APPLICATIONS
Instrumentation
Filters
Level shifting
Buffering
GENERAL DESCRIPTION
The AD8033/AD8034 FastFET™ amplifiers are voltage feedback
amplifiers with FET inputs, offering ease of use and excellent
performance. The AD8033 is a single amplifier and the AD8034
is a dual amplifier. The AD8033/AD8034 FastFET op amps in
Analog Devices, Inc., proprietary XFCB process offer significant
performance improvements over other low cost FET amps, such
as low noise (11 nV/√Hz and 0.7 fA/√Hz) and high speed (80 MHz
bandwidth and 80 V/μs slew rate).
With a wide supply voltage range from 5 V to 24 V and fully
operational on a single supply, the AD8033/AD8034 amplifiers
work in more applications than similarly priced FET input
amplifiers. In addition, the AD8033/AD8034 have rail-to-rail
outputs for added versatility.
Despite their low cost, the amplifiers provide excellent overall
performance. They offer a high common-mode rejection of
−100 dB, low input offset voltage of 2 mV maximum, and low
noise of 11 nV/√Hz.
Low Cost, 80 MHz
FastFET Op Amps
AD8033/AD8034
CONNECTION DIAGRAMS
NC 1
–IN 2
+IN 3
–VS 4
AD8033
8 NC
7 +VS
6 VOUT
5 NC
NC = NO CONNECT
Figure 1. 8-Lead SOIC (R)
VOUT 1
–VS 2
+IN 3
AD8033
5 +VS
4 –IN
Figure 2. 5-Lead SC70 (KS)
VOUT1 1
–IN1 2
+IN1 3
–VS 4 AD8034
8 +VS
7 VOUT2
6 –IN2
5 +IN2
Figure 3. 8-Lead SOIC (R) and 8-Lead SOT-23 (RJ)
24
21 G = +10
18
15 G = +5
12
9
G = +2
6
3
0
–3
–6
–9
0.1
1
VOUT = 200mV p-p
G = +1
G = –1
10
FREQUENCY (MHz)
100
1000
Figure 4. Small Signal Frequency Response
The AD8033/AD8034 amplifiers only draw 3.3 mA/amplifier of
quiescent current while having the capability of delivering up to
40 mA of load current.
The AD8033 is available in a small package 8-lead SOIC and a
small package 5-lead SC70. The AD8034 is also available in a
small package 8-lead SOIC and a small package 8-lead SOT-23.
They are rated to work over the industrial temperature range of
−40°C to +85°C without a premium over commercial grade
products.
Rev. D
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other
rights of third parties that may result from its use. Specifications subject to change without notice. No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
www.analog.com
Fax: 781.461.3113 ©2002–2008 Analog Devices, Inc. All rights reserved.

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