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AD744AQ 其他数据使用手册 - ADI（亚德诺）
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ADI（亚德诺）
分类:
运算放大器
封装:
CDIP-8
描述:
精密， 500 ns建立BiFET运算放大器 Precision, 500 ns Settling BiFET Op Amp
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AD744AQ数据手册
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CONNECTION DIAGRAMS
TO-99 (H) Package
FEATURES
AC PERFORMANCE
500 ns Settling to 0.01% for 10 V Step
1.5 s Settling to 0.0025% for 10 V Step
75 V/s Slew Rate
0.0003% Total Harmonic Distortion (THD)
13 MHz Gain Bandwidth – Internal Compensation
>200 MHz Gain Bandwidth (G = 1000)
External Decompensation
>1000 pF Capacitive Load Drive Capability with
10 V/s Slew Rate – External Compensation
DC PERFORMANCE
0.5 mV max Offset Voltage (AD744B)
10 V/ⴗC max Drift (AD744B)
250 V/mV min Open-Loop Gain (AD744B)
Available in Plastic Mini-DIP, Plastic SOIC, Hermetic
Cerdip, Hermetic Metal Can Packages and Chip Form
Surface Mount (SOIC) Package Available in Tape and
Reel in Accordance with EIA-481A Standard
APPLICATIONS
Output Buffers for 12-Bit, 14-Bit and 16-Bit DACs,
ADC Buffers, Cable Drivers, Wideband
Preamplifiers and Active Filters
PRODUCT DESCRIPTION
The AD744 is a fast-settling, precision, FET input, monolithic
operational amplifier. It offers the excellent dc characteristics
of the AD711 BiFET family with enhanced settling, slew rate,
and bandwidth. The AD744 also offers the option of using
custom compensation to achieve exceptional capacitive load
drive capability.
The single-pole response of the AD744 provides fast settling:
500 ns to 0.01%. This feature, combined with its high dc preci-
sion, makes it suitable for use as a buffer amplifier for 12-bit,
14-bit or 16-bit DACs and ADCs. Furthermore, the AD744’s low
total harmonic distortion (THD) level of 0.0003% and gain band-
width product of 13 MHz make it an ideal amplifier for demanding
audio applications. It is also an excellent choice for use in active
filters in 12-bit, 14-bit and 16-bit data acquisition systems.
The AD744 is internally compensated for stable operation as a
unity gain inverter or as a noninverting amplifier with a gain of
two or greater. External compensation may be applied to the
AD744 for stable operation as a unity gain follower. External
compensation also allows the AD744 to drive 1000 pF capacitive
loads, slewing at 10 V/µs with full stability.
Alternatively, external decompensation may be used to increase
the gain bandwidth of the AD744 to over 200 MHz at high
gains. This makes the AD744 ideal for use as ac preamps in
digital signal processing (DSP) front ends.
The AD744 is available in five performance grades. The AD744J
and AD744K are rated over the commercial temperature range
of 0° C to +70°C. The AD744A and AD744B are rated over
the industrial temperature range of –40°C to +85°C. The AD744T
is rated over the military temperature range of –55°C to +125°C
and is available processed to MIL-STD-883B, Rev. C.
The AD744 is available in an 8-lead plastic mini-DIP, 8-lead
small outline, 8-lead cerdip or TO-99 metal can.
PRODUCT HIGHLIGHTS
1. The AD744 is a high-speed BiFET op amp that offers excel-
lent performance at competitive prices. It outperforms the
OPA602/OPA606, LF356 and LF400.
2. The AD744 offers exceptional dynamic response. It settles to
0.01% in 500 ns and has a 100% tested minimum slew rate
of 50 V/µs (AD744B).
3. The combination of Analog Devices’ advanced processing
technology, laser wafer drift trimming and well-matched
ionimplanted JFETs provide outstanding dc precision. Input
offset voltage, input bias current, and input offset current are
specified in the warmed-up condition; all are 100% tested.
8-Lead Plastic Mini-DIP (N)
8-Lead SOIC (R) Package and
8-Lead Cerdip (Q) Packages
Precision, 500 ns Settling
BiFET Op Amp
Data Sheet
AD744
Rev. D Document Feedback
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.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700 ©2007–2017 Analog Devices, Inc. All rights reserved.
Technical Support www.analog.com
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