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AD810 PDF预览

AD810

更新时间: 2024-11-30 22:39:03
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亚德诺 - ADI 运算放大器
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16页 516K
描述
Low Power Video Op Amp with Disable

AD810 数据手册

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Low Power  
Video Op Amp with Disable  
a
AD810  
CO NNECTIO N D IAGRAM  
FEATURES  
High Speed  
8-P in P lastic Mini-D IP (N), SO IC (R)  
and Cer dip (Q ) P ackages  
80 MHz Bandw idth (3 dB, G = +1)  
75 MHz Bandw idth (3 dB, G = +2)  
1000 V/ s Slew Rate  
50 ns Settling Tim e to 0.1% (VO = 10 V Step)  
Ideal for Video Applications  
30 MHz Bandw idth (0.1 dB, G = +2)  
0.02% Differential Gain  
OFFSET  
1
2
8
7
6
DISABLE  
AD810  
NULL  
–IN  
+V  
S
+IN  
3
4
OUTPUT  
OFFSET  
NULL  
5
–V  
S
TOP VIEW  
0.04؇ Differential Phase  
Low Noise  
2.9 nV/ Hz Input Voltage Noise  
13 pA/ Hz Inverting Input Current Noise  
Low Pow er  
8.0 m A Supply Current m ax  
2.1 m A Supply Current (Pow er-Dow n Mode)  
High Perform ance Disable Function  
Turn-Off Tim e 100 ns  
Break Before Make Guaranteed  
Input to Output Isolation of 64 dB (OFF State)  
Flexible Operation  
P RO D UCT D ESCRIP TIO N  
T he AD810 is a composite and HDT V compatible, current  
feedback, video operational amplifier, ideal for use in systems  
such as multimedia, digital tape recorders and video cameras.  
T he 0.1 dB flatness specification at bandwidth of 30 MHz  
(G = +2) and the differential gain and phase of 0.02% and  
0.04° (NT SC) make the AD810 ideal for any broadcast quality  
video system. All these specifications are under load conditions  
of 150 (one 75 back terminated cable).  
T he AD810 is ideal for power sensitive applications such as  
video cameras, offering a low power supply current of 8.0 mA  
max. T he disable feature reduces the power supply current to  
only 2.1 mA, while the amplifier is not in use, to conserve  
power. Furthermore the AD810 is specified over a power supply  
range of ±5 V to ±15 V.  
Specified for ؎5 V and ؎15 V Operation  
؎2.9 V Output Sw ing Into a 150 Load (VS = ؎5 V)  
APPLICATIONS  
Professional Video Cam eras  
Multim edia System s  
NTSC, PAL & SECAM Com patible System s  
Video Line Driver  
ADC/ DAC Buffer  
T he AD810 works well as an ADC or DAC buffer in video  
systems due to its unity gain bandwidth of 80 MHz. Because the  
AD810 is a transimpedance amplifier, this bandwidth can be  
maintained over a wide range of gains while featuring a low  
noise of 2.9 nV/Hz for wide dynamic range applications.  
DC Restoration Circuits  
0.20  
0.18  
0.16  
0.14  
0.12  
0.10  
0.10  
0.09  
0.08  
0.07  
0.06  
0.05  
0.04  
0.03  
0.02  
0.01  
0
0
GAIN = +2  
GAIN = +2  
R
R
f
= 715Ω  
= 150Ω  
= 3.58MHz  
F
L
–45  
R
= 150Ω  
L
PHASE  
GAIN  
C
–90  
100 IRE  
MODULATED RAMP  
1
0
–135  
–180  
V
S
= ±15V  
±5V  
GAIN  
–225  
–270  
0.08  
0.06  
0.04  
–1  
–2  
PHASE  
±2.5V  
V
= ±15V  
S
–3  
–4  
±5V  
0.02  
0
±2.5V  
–5  
5
6
7
8
9
10  
11  
12  
13  
14  
15  
1
10  
100  
FREQUENCY – MHz  
1000  
SUPPLY VOLTAGE – ± Volts  
Closed-Loop Gain and Phase vs. Frequency, G = +2,  
Differential Gain and Phase vs. Supply Voltage  
RL = 150, RF = 715 Ω  
REV. A  
Inform ation furnished by Analog Devices is believed to be accurate and  
reliable. However, no responsibility is assum ed by Analog Devices for its  
use, nor for any infringem ents of patents or other rights of third parties  
which m ay result from its use. No license is granted by im plication or  
otherwise under any patent or patent rights of Analog Devices.  
One Technology Way, P.O. Box 9106, Norw ood, MA 02062-9106, U.S.A.  
Tel: 617/ 329-4700  
Fax: 617/ 326-8703  

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