參數(shù)資料
型號(hào)： AD9631ARZ-REEL7
廠商： Analog Devices Inc
文件頁(yè)數(shù)： 1/20頁(yè)
文件大?。?/td> 0K
描述： IC OPAMP VF ULDIST 70MA 8SOIC
標(biāo)準(zhǔn)包裝： 750
放大器類型： 電壓反饋
電路數(shù)： 1
轉(zhuǎn)換速率： 1300 V/µs
-3db帶寬： 320MHz
電流 - 輸入偏壓： 2µA
電壓 - 輸入偏移： 3000µV
電流 - 電源： 17mA
電流 - 輸出 / 通道： 70mA
電壓 - 電源，單路/雙路(±)： 6 V ~ 12 V，±3 V ~ 6 V
工作溫度： -40°C ~ 85°C
安裝類型： 表面貼裝
封裝/外殼： 8-SOIC（0.154"，3.90mm 寬）
供應(yīng)商設(shè)備封裝： 8-SO
包裝： 帶卷 (TR)
Ultralow Distortion, Wide Bandwidth
Voltage Feedback Op Amps
Data Sheet
Rev. D
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibilityis assumedbyAnalogDevicesforitsuse,norforanyinfringementsof patentsorother
rightsofthirdpartiesthatmayresultfromitsuse.Specificationssubjecttochangewithoutnotice.No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
2014 Analog Devices, Inc. All rights reserved.
FEATURES
Wide bandwidth
AD9631, G = +1
AD9632, G = +2
Small signal
AD9631, 320 MHz
AD9632, 250 MHz
Large signal (4 V p-p)
AD9631, 175 MHz
AD9632, 180 MHz
Ultralow distortion (SFDR), low noise
113 dBc typical @ 1 MHz
95 dBc typical @ 5 MHz
72 dBc typical @ 20 MHz
46 dBm third-order intercept @ 25 MHz
7.0 nV/√Hz spectral noise density
High speed
Slew rate: 1300 V/μs
Settling time to 0.01%, 2 V step: 16 ns
±3 V to ±5 V supply operation
17 mA supply current
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
GENERAL DESCRIPTION
The AD9631/AD9632 are very high speed and wide bandwidth
amplifiers. The AD9631 is unity gain stable. The AD9632 is
stable at gains of 2 or greater. Using a voltage feedback
architecture, the exceptional settling time, bandwidth, and low
distortion of the AD9631/AD9632 meet the requirements of
many applications that previously depended on current feed-
back amplifiers. Its classical op amp structure works much more
predictably in many designs.
PIN CONFIGURATION
Figure 1. 8-Lead PDIP (N) and SOIC (R) Packages
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/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, 320 MHz small signal bandwidth, 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.
Figure 2. AD9631 Harmonic Distortion vs. Frequency, G = +1
1
2
3
4
NC
–INPUT
+INPUT
–VS
8
7
6
5
NC
AD9631/
AD9632
TOP VIEW
(Not to Scale)
+VS
OUTPUT
NC
NOTES
1. NC = NO CONNECT.
00601-
001
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
–130
10k
100k
1M
10M
100M
HAR
M
O
NI
C
D
IS
T
O
RT
IO
N
(
d
Bc
)
FREQUENCY (Hz)
THIRD HARMONIC
SECOND HARMONIC
VS = ±5V
RL = 500
VOUT = 2V p-p
0060
1-
002
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