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PDF AD810 Data sheet ( Hoja de datos )
| Número de pieza | AD810 | |
| Descripción | Low Power Video Op Amp | |
| Fabricantes | Analog Devices | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de AD810 (archivo pdf) en la parte inferior de esta página. Total 17 Páginas | ||
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a
Low Power
Video Op Amp with Disable
FEATURES
High Speed
80 MHz Bandwidth (3 dB, G = +1)
75 MHz Bandwidth (3 dB, G = +2)
1000 V/s Slew Rate
50 ns Settling Time to 0.1% (VO = 10 V Step)
Ideal for Video Applications
30 MHz Bandwidth (0.1 dB, G = +2)
0.02% Differential Gain
0.04؇ Differential Phase
Low Noise
2.9 nV/√Hz Input Voltage Noise
13 pA/√Hz Inverting Input Current Noise
Low Power
8.0 mA Supply Current max
2.1 mA Supply Current (Power-Down Mode)
High Performance Disable Function
Turn-Off Time 100 ns
Break Before Make Guaranteed
Input to Output Isolation of 64 dB (OFF State)
Flexible Operation
Specified for ؎5 V and ؎15 V Operation
؎2.9 V Output Swing Into a 150 ⍀ Load (VS = ؎5 V)
APPLICATIONS
Professional Video Cameras
Multimedia Systems
NTSC, PAL & SECAM Compatible Systems
Video Line Driver
ADC/DAC Buffer
DC Restoration Circuits
PHASE
GAIN = +2
RL = 150Ω
0
–45
–90
1 –135
0
VS = ±15V
–180
GAIN
–1
–2
VS = ±15V
–3
±5V
±2.5V
–225
–270
±5V
–4
±2.5V
–5
1 10 100 1000
FREQUENCY – MHz
Closed-Loop Gain and Phase vs. Frequency, G = +2,
RL = 150, RF = 715 Ω
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.
AD810
CONNECTION DIAGRAM
8-Pin Plastic Mini-DIP (N), SOIC (R)
and Cerdip (Q) Packages
OFFSET
NULL 1
–IN 2
+IN 3
–VS 4
AD810
TOP VIEW
8 DISABLE
7 +VS
6 OUTPUT
5
OFFSET
NULL
PRODUCT DESCRIPTION
The AD810 is a composite and HDTV compatible, current
feedback, video operational amplifier, ideal for use in systems
such as multimedia, digital tape recorders and video cameras.
The 0.1 dB flatness specification at bandwidth of 30 MHz
(G = +2) and the differential gain and phase of 0.02% and
0.04° (NTSC) make the AD810 ideal for any broadcast quality
video system. All these specifications are under load conditions
of 150 Ω (one 75 Ω back terminated cable).
The AD810 is ideal for power sensitive applications such as
video cameras, offering a low power supply current of 8.0 mA
max. The 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.
The 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.
0.10
0.09
0.08
0.07
0.06
0.05
0.04
0.03
0.02
0.01
0
5
0.20
GAIN = +2
RF = 715Ω
RL = 150Ω
fC = 3.58MHz
100 IRE
MODULATED RAMP
0.18
0.16
0.14
0.12
GAIN
PHASE
0.10
0.08
0.06
0.04
0.02
0
6 7 8 9 10 11 12 13 14 15
SUPPLY VOLTAGE – ± Volts
Differential Gain and Phase vs. Supply Voltage
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 617/329-4700
Fax: 617/326-8703
1 page  
AD810–Typical Characteristics
20
15
NO LOAD
10
RL = 150Ω
5
0
0 5 10 15 20
SUPPLY VOLTAGE – ±Volts
Figure 1. Input Common-Mode Voltage Range vs.
Supply Voltage
35
30
±15V SUPPLY
25
20
15
10
±5V SUPPLY
5
0
10 100 1k 10k
LOAD RESISTANCE – Ohms
Figure 3. Output Voltage Swing vs. Load Resistance
10
8
6
NONINVERTING INPUT
4 VS = ±5V, ±15V
2
0
–2
–4 INVERTING INPUT
VS = ±5V, ±15V
–6
–8
–10
–60 –40 –20
0 20 40 60 80 100 120 140
JUNCTION TEMPERATURE – °C
Figure 5. Input Bias Current vs. Temperature
20
15
NO LOAD
10
RL = 150Ω
5
0
0 5 10 15 20
SUPPLY VOLTAGE – ±Volts
Figure 2. Output Voltage Swing vs. Supply
10
9
VS = ±15V
8
VS = ±5V
7
6
5
4
–60 –40 –20 0
20 40 60 80 100 120 140
JUNCTION TEMPERATURE – °C
Figure 4. Supply Current vs. Junction Temperature
10
8
6
4
VS = ±5V
2
0
–2 VS = ±15V
–4
–6
–8
–10
–60 –40 –20 0 20 40 60 80 100 120 140
JUNCTION TEMPERATURE – °C
Figure 6. Input Offset Voltage vs. Junction Temperature
–4– REV. A
5 Page 
AD810 –Typical Characteristics, Inverting Connection
100mV
100
VIN 90
20nS
100
VIN 90
1V
50nS
VO
10
0%
1V
Figure 37. Small Signal Pulse Response, Gain = –10,
RF = 442 Ω, RL = 150 Ω, VS = ±15 V
VO
10
0%
10V
Figure 38. Large Signal Pulse Response, Gain = –10,
RF = 442 Ω, RL = 400 Ω, VS = ±15 V
PHASE
21
GAIN = –10
RF = 249Ω
RL = 150Ω
180
135
90
45
20
19
GAIN
18
17
16
VS = ±15V
±5V
±2.5V
VS = ±15V
±5V
±2.5V
0
–45
–90
15
1 10 100 1000
FREQUENCY – MHz
Figure 39. Closed-Loop Gain and Phase vs. Frequency,
G = –10, RL = 150 Ω
PHASE
21
20
19
GAIN
18
17
16
15
1
VS = ±15V
±5V
±2.5V
GAIN = –10
RF = 249Ω
RL = 1kΩ
VS = ±15V
±5V
±2.5V
180
135
90
45
0
–45
–90
10 100
FREQUENCY – MHz
1000
Figure 40. Closed-Loop Gain and Phase vs. Frequency,
G = –10, RL = 1 kΩ
100
G = –10
90 RL = 150Ω
80 VO = 250mV p- p
NO PEAKING
70
60
50 RF = 249Ω
40 RF = 442Ω
30
20 RF = 750Ω
2 4 6 8 10 12 14 16 18
SUPPLY VOLTAGE – ±Volts
Figure 41. –3 dB Bandwidth vs. Supply Voltage, G = –10,
RL = 150 Ω
100
G = –10
90 RL = 1kΩ
80 VO = 250mV p- p
70
60
50
40
30
20
NO PEAKING
RF = 249Ω
RF = 442Ω
RF = 750Ω
2 4 6 8 10 12 14 16 18
SUPPLY VOLTAGE – ±Volts
Figure 42. –3 dB Bandwidth vs. Supply Voltage, G = –10,
RL = 1 kΩ
–10–
REV. A
11 Page | ||
| Páginas | Total 17 Páginas | |
| PDF Descargar | [ Datasheet AD810.PDF ] | |
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