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PDF ( 数据手册 , 数据表 ) 5962-9063301MCA

零件编号 5962-9063301MCA
描述 Quad Precision/ Low Cost/ High Speed/ BiFET Op Amp
制造商 Analog Devices
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5962-9063301MCA 数据手册, 描述, 功能
a
Quad Precision, Low Cost,
High Speed, BiFET Op Amp
FEATURES
Enhanced Replacement for LF347 and TL084
AC PERFORMANCE
1 s Settling to 0.01% for 10 V Step
20 V/s Slew Rate
0.0003% Total Harmonic Distortion (THD)
4 MHz Unity Gain Bandwidth
DC PERFORMANCE
0.5 mV max Offset Voltage (AD713K)
20 V/°C max Drift (AD713K)
200 V/mV min Open Loop Gain (AD713K)
2 V p-p typ Noise, 0.1 Hz to 10 Hz
True 14-Bit Accuracy
Single Version: AD711, Dual Version: AD712
Available in 16-Pin SOIC, 14-Pin Plastic DIP and
Hermetic Cerdip Packages and in Chip Form
MIL-STD-883B Processing Available
Standard Military Drawing Available
APPLICATIONS
Active Filters
Quad Output Buffers for 12- and 14-Bit DACs
Input Buffers for Precision ADCs
Photo Diode Preamplifier Applications
PRODUCT DESCRIPTION
The AD713 is a quad operational amplifier, consisting of four
AD711 BiFET op amps. These precision monolithic op amps
offer excellent dc characteristics plus rapid settling times, high
slew rates, and ample bandwidths. In addition, the AD713 pro-
vides the close matching ac and dc characteristics inherent to
amplifiers sharing the same monolithic die.
The single-pole response of the AD713 provides fast settling:
l µs to 0.01%. This feature, combined with its high dc precision,
makes it suitable for use as a buffer amplifier for 12- or 14-bit
DACs and ADCs. It is also an excellent choice for use in active
filters in 12-, 14- and 16-bit data acquisition systems. Further-
more, the AD713’s low total harmonic distortion (THD) level
of 0.0003% and very close matching ac characteristics make it
an ideal amplifier for many demanding audio applications.
The AD713 is internally compensated for stable operation at
unity gain and is available in seven performance grades. The
AD713J and AD713K are rated over the commercial tempera-
ture range of 0°C to +70°C. The AD713A and AD713B are
rated over the industrial temperature of –40°C to +85°C. The
AD713S and AD713T are rated over the military temperature
range of –55°C to +125°C and are available processed to
MIL-STD-883B, Rev. C.
AD713
CONNECTION DIAGRAMS
Plastic (N) and
Cerdip (Q) Packages
SOIC (R) Package
OUTPUT 1
–IN 2
+IN 3
+VS 4
+IN 5
–IN 6
OUTPUT 7
14
AD713
(TOP VIEW)
23
OUTPUT 1
14 OUTPUT
13 –IN
–IN 2
+IN 3
12 +IN
11 –VS
10 +IN
9 –IN
+VS 4
+IN 5
–IN 6
OUTPUT 7
8 OUTPUT NC 8
14
AD713
(TOP VIEW)
23
16 OUTPUT
15 –IN
14 +IN
13 –VS
12 +IN
11 –IN
10 OUTPUT
9 NC
NC = NO CONNECT
The AD713 is offered in a 16-pin SOIC, 14-pin plastic DIP and
hermetic cerdip package, or in chip form.
PRODUCT HIGHLIGHTS
1. The AD713 is a high speed BiFET op amp that offers excel-
lent performance at competitive prices. It upgrades the per-
formance of circuits using op amps such as the TL074/
TL084, LT1058, LF347 and OPA404.
2. Slew rate is 100% tested for a guaranteed minimum of
16 V/µs (J, A and S Grades).
3. The combination of Analog Devices’ advanced processing
technology, laser wafer drift trimming and well-matched
ion-implanted JFETs provides outstanding dc precision. In-
put offset voltage, input bias current and input offset current
are specified in the warmed-up condition and are 100%
tested.
4. Very close matching of ac characteristics between the four
amplifiers makes the AD713 ideal for high quality active filter
applications.
REV. B
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
which may result from its use. No license is granted by implication or
otherwise under any patent or patent rights of Analog Devices.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 617/329-4700
Fax: 617/326-8703







5962-9063301MCA pdf, 数据表
AD713
A HIGH SPEED INSTRUMENTATION AMPLIFIER
CIRCUIT
The instrumentation amplifier circuit shown in Figure 27 can
provide a range of gains from unity up to 1000 and higher using
only a single AD713. The circuit bandwidth is 1.2 MHz at a
gain of 1 and 250 kHz at a gain of 10; settling time for the entire
circuit is less than 5 µs to within 0.01% for a 10 volt step,
(G = 10). Other uses for amplifier A4 include an active data
guard and an active sense input.
A HIGH SPEED FOUR OP AMP CASCADED AMPLIFIER
CIRCUIT
Figure 29 shows how the four amplifiers of the AD713 may be
connected in cascade to form a high gain, high bandwidth am-
plifier. This gain of 100 amplifier has a –3 dB bandwidth greater
than 600 kHz.
Figure 29. A High Speed Four Op Amp Cascaded
Amplifier Circuit
Figure 27. A High Speed Instrumentation Amplifier Circuit
Table I provides a performance summary for this circuit. The
photo of Figure 28 shows the pulse response of this circuit for a
gain of 10.
Table I. Performance Summary for the High Speed
Instrumentation Amplifier Circuit
Gain
1
2
10
RG
NC
20 k
4.04 k
Bandwidth
1.2 MHz
1.0 MHz
0.25 MHz
T Settle (0.01%)
2 µs
2 µs
5 µs
Figure 28. The Pulse Response of the High Speed
Instrumentation Amplifier. Gain = 10
Figure 30. THD Test Circuit
HIGH SPEED OP AMP APPLICATIONS AND
TECHNIQUES
DAC Buffers (I-to-V Converters)
The wide input dynamic range of JFET amplifiers makes them
ideal for use in both waveform reconstruction and digital-audio
DAC applications. The AD713, in conjunction with the AD1860
DAC, can achieve 0.0016% THD (here at a 4fs or a 176.4 kHz
update rate) without requiring the use of a deglitcher. Just such
a circuit is shown in Figure 31. The 470 pF feedback capacitor
used with IC2a, along with op amp IC2b and its associated
components, together form a 3-pole low-pass filter. Each or all
of these poles can be tailored for the desired attenuation and
phase characteristics required for a particular application. In this
application, one half of an AD713 serves each channel in a two-
channel stereo system.
–8– REV. B














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