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AD8036 데이터시트 PDF




Analog Devices에서 제조한 전자 부품 AD8036은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


PDF 형식의 AD8036 자료 제공

부품번호 AD8036 기능
기능 Wide Bandwidth Voltage Feedback Clamp Amps
제조업체 Analog Devices
로고 Analog Devices 로고


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AD8036 데이터시트, 핀배열, 회로
a
Low Distortion, Wide Bandwidth
Voltage Feedback Clamp Amps
AD8036/AD8037
FEATURES
Superb Clamping Characteristics
3 mV Clamp Error
1.5 ns Overdrive Recovery
Minimized Nonlinear Clamping Region
240 MHz Clamp Input Bandwidth
؎3.9 V Clamp Input Range
Wide Bandwidth
AD8036 AD8037
Small Signal
240 MHz 270 MHz
Large Signal (4 V p-p) 195 MHz 190 MHz
Good DC Characteristics
2 mV Offset
10 V/؇C Drift
Ultralow Distortion, Low Noise
–72 dBc typ @ 20 MHz
4.5 nV/Hz Input Voltage Noise
High Speed
Slew Rate 1500 V/s
Settling 10 ns to 0.1%, 16 ns to 0.01%
؎3 V to ؎5 V Supply Operation
APPLICATIONS
ADC Buffer
IF/RF Signal Processing
High Quality Imaging
Broadcast Video Systems
Video Amplifier
Full Wave Rectifier
PRODUCT DESCRIPTION
The AD8036 and AD8037 are wide bandwidth, low distortion
clamping amplifiers. The AD8036 is unity gain stable. The
AD8037 is stable at a gain of two or greater. These devices
allow the designer to specify a high (VCH) and low (VCL) output
clamp voltage. The output signal will clamp at these specified
levels. Utilizing a unique patent pending CLAMPIN™ input
clamp architecture, the AD8036 and AD8037 offer a 10×
improvement in clamp performance compared to traditional
output clamping devices. In particular, clamp error is typically
3 mV or less and distortion in the clamp region is minimized.
This product can be used as a classical op amp or a clamp
amplifier where a high and low output voltage are specified.
The AD8036 and AD8037, which utilize a voltage feedback
architecture, meet the requirements of many applications which
previously depended on current feedback amplifiers. The AD8036
and AD8037 exhibit an exceptionally fast and accurate pulse
response (16 ns to 0.01%), extremely wide small-signal and
CLAMPIN is a trademark of Analog Devices, Inc.
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.
FUNCTIONAL BLOCK DIAGRAM
8-Lead Plastic DIP (N), Cerdip (Q),
and SO Packages
NC 1
INPUT 2
+INPUT 3
AD8036/ 8 VH
AD8037
7 +VS
6 OUTPUT
VS 4
(Top View)
5 VL
NC = NO CONNECT
large-signal bandwidths and ultralow distortion. The AD8036
achieves –66 dBc at 20 MHz, and 240 MHz small-signal and
195 MHz large-signal bandwidths. The AD8036 and AD8037’s
recover from 2× clamp overdrive within 1.5 ns. These character-
istics position the AD8036/AD8037 ideally for driving as well as
buffering flash and high resolution ADCs.
In addition to traditional output clamp amplifier applications,
the input clamp architecture supports the clamp levels as addi-
tional inputs to the amplifier. As such, in addition to static dc
clamp levels, signals with speeds up to 240 MHz can be applied
to the clamp pins. The clamp values can also be set to any value
within the output voltage range provided that VH is greater that
VL. Due to these clamp characteristics, the AD8036 and AD8037
can be used in nontraditional applications such as a full-wave
rectifier, a pulse generator, or an amplitude modulator. These
novel applications are only examples of some of the diverse
applications which can be designed with input clamps.
The AD8036 is offered in chips, industrial (–40°C to +85°C)
and military (–55°C to +125°C) package temperature ranges
and the AD8037 in industrial. Industrial versions are available
in plastic DIP and SOIC; MIL versions are packaged in cerdip.
4
AD8036
3
VH = 3V
2 VH = 2V
VH = 1V
1
0
VL = –1V
–1
VL = –2V
–2
VL = –3V
–3
–4
–4 –3 –2 –1 0 1
234
INPUT VOLTAGE – Volts
Figure 1. Clamp DC Accuracy vs. Input Voltage
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700 World Wide Web Site: http://www.analog.com
Fax: 781/326-8703
© Analog Devices, Inc., 2000




AD8036 pdf, 반도체, 판매, 대치품
AD8036/AD8037
AD8036Typical Characteristics
PULSE
GENERATOR
TR/TF = 350ps
VIN
49.9
130
RF
10F
+VS
0.1F
AD8036
0.1F
10F
VOUT
RL = 100
VS
TPC 1. Noninverting Configuration, G = +1
RF
PULSE
GENERATOR
TR/TF = 350ps
VIN
49.9
+VH
0.1F
130
0.1F
VL
10F
+VS
0.1F
AD8036
0.1F
10F
VS
VOUT
RL = 100
TPC 4. Noninverting Clamp Configuration, G = +1
TPC 2. Large Signal Transient Response; VO = 4 V
p-p, G = +1, RF = 140
TPC 5. Clamped Large Signal Transient Response (2×
Overdrive); VO = 2 V p-p, G = +1, RF = 140 , VH = +1 V,
VL = –1 V
TPC 3. Small Signal Transient Response; VO = 400 mV p-p,
G = +1, RF = 140
TPC 6. Clamped Small Signal Transient Response
(2× Overdrive); VO = 400 mV p-p, G = +1, RF = 140 ,
VH = +0.2 V, VL = –0.2 V
–4– REV. B

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AD8036 전자부품, 판매, 대치품
30
50
70
90
110
VO = 2V p-p
VS = ؎5V
RL = 500
G = +1
2ND HARMONIC
3RD HARMONIC
130
10k
100k
1M
FREQUENCY Hz
10M
100M
TPC 19. AD8036 Harmonic Distortion vs. Frequency,
RL = 500
30
VO = 2V p-p
VS = ؎5V
50 RL = 100
G = +1
70
2ND HARMONIC
90
110
3RD HARMONIC
130
10k
100k
1M
FREQUENCY Hz
10M
100M
TPC 20. AD8036 Harmonic Distortion vs. Frequency,
RL = 100
60
50
40
30
20
10
20 40 60 80 100
FREQUENCY MHz
TPC 21. AD8036 Third Order Intercept vs. Frequency
AD8036/AD8037
0.06
0.04
0.02
0.00
0.02
0.04
0.06
1st 2nd 3rd 4th 5th 6th 7th 8th 9th 10th 11th
0.04
0.02
0.00
0.02
0.04
1st 2nd 3rd 4th 5th 6th 7th 8th 9th 10th 11th
TPC 22. AD8036 Differential Gain and Phase Error,
G = +1, RL = 150 , F = 3.58 MHz
0.05
0.04
0.03
0.02
0.01
0
0.01
0.02
0.03
0.04
0.05
0 5 10 15 20 25 30 35 40 45
SETTLING TIME ns
TPC 23. AD8036 Short-Term Settling Time to 0.01%, 2 V
Step, G = +1, RL = 100
0.4
0.3
0.2
0.1
0
0.1
0.2
0.3
0.4
0.5
0.6
0 2 4 6 8 10 12 14 16 18
SETTLING TIME - s
TPC 24. AD8036 Long-Term Settling Time, 2 V Step,
G = +1, RL = 100
REV. B
–7–

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