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參數資料
| 型號： | AD830 |
| 廠商： | Analog Devices, Inc. |
| 元件分類： | 運動控制電子 |
| 英文描述： | High Speed, Video Difference Amplifier(高速,視頻差分運放) |
| 中文描述： | 高速，視頻差分放大器（高速，視頻差分運放） |
| 文件頁數： | 1/16頁 |
| 文件大小： | 244K |
| 代理商： | AD830 |
CONNE CT ION DIAGRAM
8-Pin Plastic Mini-DIP (N),
Cerdip (Q) and SOIC (R) Packages
FREQUENCY – Hz
–50
–70
–90
10k
10M
1M
100k
1k
–80
–60
H
V
OUT
= 2V p-p
R
L
= 150
GAIN = +1
±
5V SUPPLIES
2ND HARMONIC
3RD HARMONIC
±
15V SUPPLIES
2ND HARMONIC
3RD HARMONIC
REV. A
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.
a
Hgh Speed, Video
Dfference Amplifier
AD830
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 617/329-4700
Fax: 617/326-8703
FEATURES
Differential Amplification
Wide Common-Mode Voltage Range: +12.8 V, –12 V
Differential Voltage Range:
6
2 V
High CMRR: 60 dB @ 4 MHz
Built-in Differential Clipping Level:
6
2.3 V
Fast Dynamic Performance
85 MHz Unity Gain Bandwidth
35 ns Settling Time to 0.1%
360 V/
m
s Slew Rate
Symmetrical Dynamic Response
Excellent Video Specifications
Differential Gain Error: 0.06%
Differential Phase Error: 0.08
8
15 MHz (0.1 dB) Bandwidth
Flexible Operation
High Output Drive of
6
50 mA min
Specified with Both
6
5 V and
6
15 V Supplies
Low Distortion: THD = –72 dB @ 4 MHz
Excellent DC Performance: 3 mV max Input Offset
Voltage
APPLICATIONS
Differential Line Receiver
High Speed Level Shifter
High Speed In-Amp
Differential to Single Ended Conversion
Resistorless Summation and Subtraction
High Speed A/D Driver
PRODUCT DE SCRIPT ION
T he AD830 is a wideband, differencing amplifier designed for
use at video frequencies but also useful in many other applica-
tions. It accurately amplifies a fully differential signal at the
FREQUENCY – Hz
C
110
30
10M
50
40
1k
70
60
80
90
100
1M
100k
10k
V
S
=
±
15V
V
S
=
±
5V
Common-Mode Rejection Ratio vs. Frequency
input and produces an output voltage referred to a user-chosen
level. T he undesired common-mode signal is rejected, even at
high frequencies. High impedance inputs ease interfacing to fi-
nite source impedances and thus preserve the excellent
common-mode rejection. In many respects, it offers significant
improvements over discrete difference amplifier approaches, in
particular in high frequency common-mode rejection.
T he wide common-mode and differential-voltage range of the
AD830 make it particularly useful and flexible in level shifting
applications, but at lower power dissipation than discrete solu-
tions. Low distortion is preserved over the many possible differ-
ential and common-mode voltages at the input and output.
Good gain flatness and excellent differential gain of 0.06% and
phase of 0.08
°
make the AD830 suitable for many video system
applications. Furthermore, the AD830 is suited for general pur-
pose signal processing from dc to 10 MHz.
9
–6
–21
100k
1G
10M
1M
FREQUENCY – Hz
10k
–3
0
3
6
–18
–15
–12
–9
G
100M
V
S
=
±
5V
R
L
= 150
C
L
= 4.7pF
C
L
= 15pF
C
L
= 33pF
Closed-Loop Gain vs. Frequency, Gain = +1
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