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AD8032ANZ 데이터 시트보기 (PDF) - Analog Devices

AD8032ANZ Datasheet PDF : 20 Pages
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Low power
Supply current 800 μA/amplifier
Fully specified at +2.7 V, +5 V, and ±5 V supplies
High speed and fast settling on 5 V
80 MHz, −3 dB bandwidth (G = +1)
30 V/μs slew rate
125 ns settling time to 0.1%
Rail-to-rail input and output
No phase reversal with input 0.5 V beyond supplies
Input CMVR extends beyond rails by 200 mV
Output swing to within 20 mV of either rail
Low distortion
−62 dB @ 1 MHz, VO = 2 V p-p
−86 dB @ 100 kHz, VO = 4.6 V p-p
Output current: 15 mA
High grade option: VOS (maximum) = 1.5 mV
High speed, battery-operated systems
High component density systems
Portable test instruments
A/D buffers
Active filters
High speed, set-and-demand amplifiers
The AD8031 (single) and AD8032 (dual) single-supply, voltage
feedback amplifiers feature high speed performance with
80 MHz of small signal bandwidth, 30 V/μs slew rate, and 125 ns
settling time. This performance is possible while consuming less
than 4.0 mW of power from a single 5 V supply. These features
increase the operation time of high speed, battery-powered
systems without compromising dynamic performance.
The products have true single-supply capability with rail-to-rail
input and output characteristics and are specified for +2.7 V, +5 V,
and ±5 V supplies. The input voltage range can extend to 500 mV
beyond each rail. The output voltage swings to within 20 mV of
each rail providing the maximum output dynamic range.
The AD8031/AD8032 also offer excellent signal quality for only
800 μA of supply current per amplifier; THD is −62 dBc with a
2 V p-p, 1 MHz output signal, and –86 dBc for a 100 kHz,
4.6 V p-p signal on +5 V supply. The low distortion and fast
settling time make them ideal as buffers to single-supply ADCs.
Rev. C
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.
Trademarks and registered trademarks are the property of their respective owners.
2.7 V, 800 μA, 80 MHz
Rail-to-Rail I/O Amplifiers
NC 1
–IN 2
+IN 3
–VS 4
8 NC
7 +VS
5 NC
Figure 1. 8-Lead PDIP (N) and
OUT1 1
–IN1 2
+IN1 3
–VS 4
AD8032 8 +VS
7 OUT2
6 –IN2
5 +IN2
Figure 2. 8-Lead PDIP (N),
SOIC_N (R), and MSOP (RM)
–VS 2
+IN 3
5 +VS
4 –IN
Figure 3. 5-Lead SOT-23 (RJ-5)
Operating on supplies from +2.7 V to +12 V and dual supplies
up to ±6 V, the AD8031/AD8032 are ideal for a wide range of
applications, from battery-operated systems with large bandwidth
requirements to high speed systems where component density
requires lower power dissipation. The AD8031/AD8032 are
available in 8-lead PDIP and 8-lead SOIC_N packages and
operate over the industrial temperature range of −40°C to
+85°C. The AD8031A is also available in the space-saving
5-lead SOT-23 package, and the AD8032A is available in an
8-lead MSOP package.
VIN = 4.85V p-p
VOUT = 4.65V p-p
G = +1
Figure 4. Input VIN
Figure 5. Output VOUT
Figure 6. Rail-to-Rail Performance at 100 kHz
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
Fax: 781.461.3113
©2006 Analog Devices, Inc. All rights reserved.
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