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High Speed, Low Power Wide Supply Range Amplifier AD817 CONNECTION DIAGRAM

FEATURES Low Cost High Speed 50 MHz Unity Gain Bandwidth 350 V/␮s Slew Rate 45 ns Settling Time to 0.1% (10 V Step) Flexible Power Supply Specified for Single (+5 V) and Dual (؎5 V to ؎15 V) Power Supplies Low Power: 7.5 mA max Supply Current High Output Drive Capability Drives Unlimited Capacitive Load 50 mA Minimum Output Current Excellent Video Performance 70 MHz 0.1 dB Bandwidth (Gain = +1) 0.04% & 0.08؇ Differential Gain & Phase Errors @ 3.58 MHz Available in 8-Pin SOIC and 8-Pin Plastic Mini-DIP

8-Pin Plastic Mini-DIP (N) and SOIC (R) Packages

8

NULL

2

7

+VS

+IN

3

6

OUTPUT

–VS

4

5

NC

NULL

1

–IN

AD817

TOP VIEW NC = NO CONNECT

The AD817 is fully specified for operation with a single +5 V power supply and with dual supplies from ± 5 V to ± 15 V. This power supply flexibility, coupled with a very low supply current of 7.5 mA and excellent ac characteristics under all power supply conditions, make the AD817 the ideal choice for many demanding yet power sensitive applications.

PRODUCT DESCRIPTION

The AD817 is a low cost, low power, single/dual supply, high speed op amp which is ideally suited for a broad spectrum of signal conditioning and data acquisition applications. This breakthrough product also features high output current drive capability and the ability to drive an unlimited capacitive load while still maintaining excellent signal integrity. The 50 MHz unity gain bandwidth, 350 V/µs slew rate and settling time of 45 ns (0.1%) make possible the processing of high speed signals common to video and imaging systems. Furthermore, professional video performance is attained by offering differential gain & phase errors of 0.04% & 0.08° @ 3.58 MHz and 0.1 dB flatness to 70 MHz (gain = +1).

In applications such as ADC buffers and line drivers the AD817 simplifies the design task with its unique combination of a 50 mA minimum output current and the ability to drive unlimited capacitive loads. The AD817 is available in 8-pin plastic mini-DIP and SOIC packages. ORDERING GUIDE

Model

Temperature Range

Package Description

Package Option

AD817AN AD817AR

–40°C to +85°C –40°C to +85°C

8-Pin Plastic DIP N-8 8-Pin Plastic SOIC R-8

1kΩ

+VS

5V

3.3µF

500ns

100 90

0.01µF HP PULSE GENERATOR

VIN

1kΩ 2

AD817

50Ω 3

100pF LOAD

7

4

VOUT 6 0.01µF

CL 1000pF

TEKTRONIX P6201 FET PROBE 10 0%

3.3µF

1000pF LOAD

–VS

AD817 Driving a Large Capacitive Load

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.

© Analog Devices, Inc., 1995 One Technology Way, P.O. Box 9106, Norwood. MA 02062-9106, U.S.A. Tel: 617/329-4700 Fax: 617/326-8703


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