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PDF AD830 Data sheet ( Hoja de datos )
| Número de pieza | AD830 | |
| Descripción | High Speed Video Difference Amplifier | |
| Fabricantes | Analog Devices | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de AD830 (archivo pdf) en la parte inferior de esta página. Total 21 Páginas | ||
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FEATURES
Differential amplification
Wide common-mode voltage range: +12.8 V to −12 V
Differential voltage: ±2 V
High CMRR: 60 dB at 4 MHz
Built-in differential clipping level: ±2.3 V
Fast dynamic performance
85 MHz unity gain bandwidth
35 ns settling time to 0.1%
360 V/μs slew rate
Symmetrical dynamic response
Excellent video specifications
Differential gain error: 0.06%
Differential phase error: 0.08°
15 MHz (0.1 dB) bandwidth
Flexible operation
High output drive of ±50 mA min
Specified with both ±5 V and ±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 analog-to-digital converter
GENERAL DESCRIPTION
The AD830 is a wideband, differencing amplifier designed for use
at video frequencies but also useful in many other applications. It
accurately amplifies a fully differential signal at the input and
produces an output voltage referred to a user-chosen level. The
undesired common-mode signal is rejected, even at high
frequencies. High impedance inputs ease interfacing to finite
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.
The 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 solutions.
Low distortion is preserved over the many possible differential and
common-mode voltages at the input and output.
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. Specifications subject to change without notice. No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
High Speed, Video
Difference Amplifier
AD830
CONNECTION DIAGRAM
X1 1
X2 2
Y1 3
Y2 4
GM AD830 8 VP
A=1
7 OUT
6 NC
GM C
5 VN
NC = NO CONNECT
Figure 1. 8-Lead Plastic PDIP (N), CERDIP (Q), and SOIC (RN) Packages
110
100
90
80
VS = ±15V
70
60
VS = ±5V
50
40
30
1k
10k 100k
FREQUENCY (Hz)
1M
10M
Figure 2. Common-Mode Rejection Ratio vs. Frequency
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-purpose
signal processing from dc to 10 MHz.
9 VS = ±5V
6 RL = 150Ω
3
CL = 33pF
0
–3
CL = 4.7pF
–6
–9
–12
CL = 15pF
–15
–18
–21
10k 100k 1M 10M 100M
FREQUENCY (Hz)
Figure 3. Closed-Loop Gain vs. Frequency, Gain = +1
1G
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
www.analog.com
Fax: 781.461.3113 ©2005–2010 Analog Devices, Inc. All rights reserved.
1 page  
AD830
Parameter
POWER SUPPLIES
Operating Range
Quiescent Current
+PSRR (to VP)
−PSRR (to VN)
PSRR
PSRR
Conditions
TMIN – TMAX
DC, G = +1
DC, G = +1
DC, G = +1, ±5 to ±15 VS
DC, G = +1, ±5 to ±15 VS
TMIN − TMAX
1 See the Standard Military Drawing 5962-9313001MPA for specifications.
2 Clipping level function on X channel only.
AD830J/AD830A
AD830S 1
Min Typ
Max Min Typ
Max Unit
±4
14.5
86
68
66 71
±16.5 ± 4
17
66
14.5
86
68
71
±16.5
17
V
mA
dB
dB
dB
62 68
60 68
dB
Rev. C | Page 4 of 20
5 Page 
AD830
3 RL = 150Ω 9
0 CL = 0pF 6
±15V
–3 3
–6 0
–9 –3
±5V
–12 –6
–15 –9
–18 –12
–21 –15
–24 –18
–27
100k
1M
10M
100M
FREQUENCY (Hz)
–21
1G
Figure 18. Closed-Loop Gain vs. Frequency for the Three Common
Connections of Figure 16
100mV
VS = ±5V
100
90
VS = ±15V
10
0%
20ns
Figure 19. Small Signal Pulse Response, RL = 150 Ω, CL = 4.7 pF, G = +1
9
6
VS
RL
=
=
±5V
150Ω
3
CL = 33pF
0
CL = 15pF
–3
CL = 4.7pF
–6
–9
–12
–15
–18
–21
10k
100k
1M 10M
FREQUENCY (Hz)
100M
1G
Figure 20. Closed-Loop Gain vs. Frequency vs. CL, G = +1, VS = ±5 V
V1
1
GM
AD830 8
VP
2 7 OUT
3
GM
4
A=1
C
6
5
VN
VOUT = 2V1
RESISTORLESS GAIN OF 2
(a)
1
GM
2
AD830 8
7
VP
V1 3
A=1 6
GM C
4 5 VN
VOUT = V1
OP AMP CONNECTION
V1
1
GM
AD830 8
VP
27
3
GM
4
A=1
C
6
5
VN
VOUT = V1
GAIN OF 1
Figure 21. Connection Diagrams
1V
VS = ±5V
100
90
OUT
(b)
OUT
(c)
VS = ±15V
10
0%
20ns
Figure 22. Large Signal Pulse Response, RL = 150 Ω, CL = 4.7 pF, G = +1
9
6
VS
RL
=
=
±15V
150Ω
CL = 33pF
3 CL = 15pF
0
–3 CL = 4.7pF
–6
–9
–12
–15
–18
–21
10k
100k
1M 10M
FREQUENCY (Hz)
100M
1G
Figure 23. Closed-Loop Gain vs. Frequency vs. CL, G = +1, VS = ±15 V
Rev. C | Page 10 of 20
11 Page | ||
| Páginas | Total 21 Páginas | |
| PDF Descargar | [ Datasheet AD830.PDF ] | |
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