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PDF AR8618ARU Data sheet ( Hoja de datos )
| Número de pieza | AR8618ARU | |
| Descripción | Precision 20 MHz CMOS Rail-to-Rail Input/Output Operational Amplifiers | |
| Fabricantes | Analog Devices | |
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Precision 20 MHz CMOS Rail-to-Rail
Input/Output Operational Amplifiers
AD8616/AD8618
FEATURES
Low offset voltage: 65 µV max
Single-supply operation: 2.7 V to 5.5 V
Low noise: 8 nV/√Hz
Wide bandwidth: >20 MHz
Slew rate: 12 V/µs
High output current: 150 mA
No phase reversal
Low input bias current: 1 pA
Low supply current: 2 mA
Unity gain stable
APPLICATIONS
Barcode scanners
Battery-powered instrumentation
Multipole filters
Sensors
ASIC input or output amplifier
Audio
Photodiode amplification
PIN CONFIGURATIONS
OUT A 1
8 V+
–IN A 2 AD8616 7 OUT B
+IN A 3 TOP VIEW 6 –IN B
V– 4 (Not to Scale) 5 +IN B
Figure 1. 8-Lead MSOP (RM-8)
OUT A 1
8 V+
–IN A 2 AD8616 7 OUT B
+IN A 3 TOP VIEW 6 –IN B
V– 4 (Not to Scale) 5 +IN B
Figure 2. 8-Lead SOIC (R-8)
OUT A
–IN A
+IN A
V+
+IN B
–IN B
OUT B
1 14
AD8618
78
OUT D
–IN D
+IN D
V–
+IN C
–IN C
OUT C
Figure 3. 14-Lead TSSOP (RU-14)
OUT A 1
14 OUT D
–IN A 2
13 –IN D
+IN A 3
12 +IN D
V+ 4 AD8618 11 V–
+IN B 5
10 +IN C
–IN B 6
9 –IN C
OUT B 7
8 OUT C
Figure 4. 14-Lead SOIC (R-14)
GENERAL DESCRIPTION
The AD8616/AD8618 are dual/quad, rail-to-rail, input and
output, single-supply amplifiers featuring very low offset
voltage, wide signal bandwidth, and low input voltage and
current noise. The parts use a patented trimming technique that
achieves superior precision without laser trimming. The
AD8616/AD8618 are fully specified to operate from 2.7 V to
5 V single supplies.
The combination of 20 MHz bandwidth, low offset, low noise,
and very low input bias current make these amplifiers useful in
a wide variety of applications. Filters, integrators, photodiode
amplifiers, and high impedance sensors all benefit from the
combination of performance features. AC applications benefit
from the wide bandwidth and low distortion. The AD8616/
AD8618 offer the highest output drive capability of the
Rev. A
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.
DigiTrimTM family, which is excellent for audio line drivers and
other low impedance applications.
Applications for the parts include portable and low powered
instrumentation, audio amplification for portable devices,
portable phone headsets, bar code scanners, and multipole
filters. The ability to swing rail to rail at both the input and
output enables designers to buffer CMOS ADCs, DACs, ASICs,
and other wide output swing devices in single-supply systems.
The AD8616/AD8618 are specified over the extended industrial
(–40°C to +125°C) temperature range. The AD8616 is available
in 8-lead MSOP and narrow SOIC surface mount packages; the
MSOP version is available in tape and reel only. The AD8618 is
available in 14-lead SOIC and 14-lead TSSOP packages.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
www.analog.com
Fax: 781.326.8703 © 2004 Analog Devices, Inc. All rights reserved.
1 page  
ABSOLUTE MAXIMUM RATINGS
Table 3. AD8616/AD8618 Stress Ratings
Parameter
Supply Voltage
Input Voltage
Differential Input Voltage
Ouput Short-Circuit Duration to GND
Storage Temperature
Operating Temperature Range
Lead Temperature Range (Soldering 60 sec)
Junction Temperature
Rating
6V
GND to VS
±3 V
Indefinite
–65°C to +150°C
–40°C to +125°C
300°C
150°C
Stresses above those listed under Absolute Maximum Ratings
may cause permanent damage to the device. This is a stress
rating only; functional operation of the device at these or any
other conditions above those indicated in the operational
section of this specification is not implied. Exposure to absolute
maximum rating conditions for extended periods may affect
device reliability.
AD8616/AD8618
THERMAL RESISTANCE
θJA is specified for the worst-case conditions, i.e., θJA is specified
for device soldered in circuit board for surface-mount packages.
Table 4.
Package Type
8-Lead MSOP (RM)
8-Lead SOIC (R)
14-Lead SOIC (R)
14-Lead TSSOP (RU)
θJA θJC Unit
210 45
°C/W
158 43
°C/W
120 36
°C/W
180 35
°C/W
ESD CAUTION
ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000 V readily accumulate on
the human body and test equipment and can discharge without detection. Although this product features
proprietary ESD protection circuitry, permanent damage may occur on devices subjected to high energy
electrostatic discharges. Therefore, proper ESD precautions are recommended to avoid performance
degradation or loss of functionality.
Rev. A | Page 5 of 16
5 Page 
48
VS = 2.7V
42 MKR @ 5.91
36
30
24
18
12
6
0
0 1 2 3 4 5 6 7 8 9 10
FREQUENCY (kHz)
Figure 35. Voltage Noise Density vs. Frequency
VS = 2.7V
RL = 10kΩ
CL = 200pF
AV = 1
VS = 2.7V
RL = 10kΩ
CL = 200pF
AV = 1
AD8616/AD8618
TIME (1µs/DIV)
Figure 37. Large-Signal Transient Response
TIME (1µs/DIV)
Figure 36. Small-Signal Transient Response
Rev. A | Page 11 of 16
11 Page | ||
| Páginas | Total 16 Páginas | |
| PDF Descargar | [ Datasheet AR8618ARU.PDF ] | |
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