AD9632AR Analog Devices Inc, AD9632AR Datasheet

IC OPAMP VF ULDIST 70MA 8SOIC

AD9632AR

Manufacturer Part Number
AD9632AR
Description
IC OPAMP VF ULDIST 70MA 8SOIC
Manufacturer
Analog Devices Inc
Datasheet

Specifications of AD9632AR

Rohs Status
RoHS non-compliant
Amplifier Type
Voltage Feedback
Number Of Circuits
1
Slew Rate
1500 V/µs
-3db Bandwidth
250MHz
Current - Input Bias
2µA
Voltage - Input Offset
2000µV
Current - Supply
16mA
Current - Output / Channel
70mA
Voltage - Supply, Single/dual (±)
6 V ~ 12 V, ±3 V ~ 6 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
8-SOIC (3.9mm Width)
Output Type
-
Gain Bandwidth Product
-

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a
GENERAL DESCRIPTION
The AD9631 and AD9632 are very high speed and wide band-
width amplifiers. They are an improved performance alternative
to the AD9621 and AD9622. The AD9631 is unity gain stable.
The AD9632 is stable at gains of 2 or greater. Using a voltage
feedback architecture, the AD9631/AD9632’s exceptional settling
time, bandwidth, and low distortion meet the requirements of
many applications that previously depended on current feedback
amplifiers. Its classical op amp structure works much more
predictably in many designs.
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. 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 companies.
FEATURES
Wide Bandwidth
Ultralow Distortion (SFDR), Low Noise
High Speed
APPLICATIONS
ADC Input Driver
Differential Amplifiers
IF/RF Amplifiers
Pulse Amplifiers
Professional Video
DAC Current to Voltage
Baseband and Video Communications
Pin Diode Receivers
Active Filters/Integrators/Log Amps
AD9631, G = +1
AD9632, G = +2
Small Signal
Large Signal (4 V p-p)
–113 dBc Typ @ 1 MHz
–95 dBc Typ @ 5 MHz
–72 dBc Typ @ 20 MHz
46 dBm Third Order Intercept @ 25 MHz
7.0 nV/
Slew Rate 1300 V/ s
Settling 16 ns to 0.01%, 2 V Step
17 mA Supply Current
3 V to
320 MHz
250 MHz
175 MHz
180 MHz
÷
Hz Spectral Noise Density
5 V Supply Operation
Ultralow Distortion, Wide Bandwidth
A proprietary design architecture has produced an amplifier
that combines many of the best characteristics of both current
feedback and voltage feedback amplifiers. The AD9631 and
AD9632 exhibit exceptionally fast and accurate pulse response
(16 ns to 0.01%) as well as extremely wide small signal and large
signal bandwidth and ultralow distortion. The AD9631 achieves
–72 dBc at 20 MHz, and 320 MHz small signal and 175 MHz
large signal bandwidths.
These characteristics position the AD9631/AD9632 ideally for
driving flash as well as high resolution ADCs. Additionally, the
balanced high impedance inputs of the voltage feedback archi-
tecture allow maximum flexibility when designing active filters.
The AD9631/AD9632 are offered in the industrial (–40 C to
+85 C) temperature range. They are available in PDIP and SOIC.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700
Fax: 781/326-8703
–110
–130
–30
–50
–70
–90
Voltage Feedback Op Amps
Figure 1. AD9631 Harmonic Distortion vs.
Frequency, G = +1
10k
V
R
V
S
L
O
=
= 500
= 2V p-p
+INPUT
–INPUT
5V
PIN CONFIGURATION
and SOIC (R) Packages
© 2003 Analog Devices, Inc. All rights reserved.
–V
100k
NC
S
8-Lead PDIP (N)
1
2
3
4
NC = NO CONNECT
SECOND HARMONIC
AD9631/AD9632
FREQUENCY – Hz
TOP VIEW
AD9631/
AD9632
1M
THIRD HARMONIC
8
7
6
5
NC
+V
OUTPUT
NC
S
10M
www.analog.com
100M

Related parts for AD9632AR

AD9632AR Summary of contents

Page 1

FEATURES Wide Bandwidth AD9631 AD9632 Small Signal 320 MHz 250 MHz Large Signal (4 V p-p) 175 MHz 180 MHz Ultralow Distortion (SFDR), Low Noise –113 dBc Typ @ 1 MHz –95 dBc ...

Page 2

AD9631/AD9632–SPECIFICATIONS ELECTRICAL CHARACTERISTICS Parameter DYNAMIC PERFORMANCE Bandwidth (–3 dB) Small Signal 1 Large Signal Bandwidth for 0.1 dB Flatness Slew Rate, Average ± Rise/Fall Time Settling Time To 0.1% To 0.01% HARMONIC/NOISE PERFORMANCE Second Harmonic Distortion Third Harmonic Distortion Third ...

Page 3

... OUT Model AD9631 AD9631AN +V S AD9631AR 7 AD9631AR-REEL AD9631AR-REEL7 –40∞C to +85∞C SOIC AD9631CHIPS AD9632AN AD9632AR AD9632AR-REEL 6 AD9632AR-REEL7 –40∞C to +85∞C SOIC OUT AD9632 –3– AD9631/AD9632 T 8-LEAD PDIP PACKAGE 8-LEAD SOIC PACKAGE 0 –50 –40 –30 –20 – AMBIENT TEMPERATURE – C Figure 2 ...

Page 4

AD9631/AD9632–Typical Performance Characteristics 0.1 F PULSE GENERATOR AD9631 350ps R F 130 –V S TPC 1. AD9631 Noninverting Configuration ...

Page 5

PULSE GENERATOR 0 350ps AD9632 130 –V S TPC 7. AD9632 Noninverting Configuration ...

Page 6

AD9631/AD9632 – 100 L – 300mV p –3 –4 –5 –6 –7 –8 –9 10M 1M FREQUENCY – Hz TPC 13. AD9631 Small Signal Frequency Response ...

Page 7

500 – p-p O –70 –90 SECOND HARMONIC –110 –130 10k 100k 1M FREQUENCY – Hz TPC 19. AD9631 Harmonic Distortion vs. = 500 W Frequency, ...

Page 8

AD9631/AD9632 100 L 125 300mV p –1 –2 –3 10M 1M FREQUENCY – Hz TPC 25. AD9632 Small Signal Frequency Response, ...

Page 9

500 – p-p O –70 SECOND –90 HARMONIC –110 –130 10k 100k 1M FREQUENCY – Hz TPC 31. AD9632 Harmonic Distortion vs. = 500 W Frequency, ...

Page 10

AD9631/AD9632 100 1k FREQUENCY – Hz TPC 37. AD9631 Noise vs. Frequency –PSRR 65 60 +PSRR ...

Page 11

GAIN = +1 100 10 1 0.1 0.01 10k 100k 1M FREQUENCY – Hz TPC 43. AD9631 Output Resistance vs. Frequency 1000 GAIN = +1 100 10 1 0.1 0.01 10k ...

Page 12

AD9631/AD9632 –60 –40 – JUNCTION TEMPERATURE – C TPC 49. Supply Current vs. Temperature –1.0 –1.5 –2.0 –2.5 –3.0 –3.5 –4.0 AD9631 –4.5 –5.0 –60 –40 –20 0 ...

Page 13

THEORY OF OPERATION General The AD9631 and AD9632 are wide bandwidth, voltage feedback amplifiers. Since their open-loop frequency response follows the conventional 6 dB/octave roll-off, their gain bandwidth product is basically constant. Increasing their closed-loop gain results in a corresponding ...

Page 14

AD9631/AD9632 Pulse Response Unlike a traditional voltage feedback amplifier, where the slew speed is dictated by its front end dc quiescent current and gain bandwidth product, the AD9631 and AD9632 provide “on-demand” current that increases proportionally to the input “step” ...

Page 15

Active Filters The wide bandwidth and low distortion of the AD9631 and AD9632 are ideal for the realization of higher bandwidth active filters. These characteristics, while being more common in many current feedback op amps, are offered in the AD9631 ...

Page 16

AD9631/AD9632 Layout Considerations The specified high speed performance of the AD9631 and AD9632 requires careful attention to board layout and component selection. Proper RF design techniques and low-pass parasitic component selection are mandatory. The PCB should have a ground plane ...

Page 17

COPLANARITY REV. C OUTLINE DIMENSIONS 8-Lead Plastic Dual In-Line Package [PDIP] (N-8) Dimensions shown in inches and (millimeters) 0.375 (9.53) 0.365 (9.27) 0.355 (9.02) ...

Page 18

AD9631/AD9632 Revision History Location 7/03—Data Sheet changed from REV REV. C. Deleted Evaluation Boards information . . . . . . . . . . . . . . . . . . . . . . . ...

Page 19

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