Datasheet AD810 (Analog Devices)

a
Low Power Video Op Amp with Disable AD810 CONNECTION DIAGRAM FEATURES High Speed 8-Pin Plastic Mini-DIP (N), SOIC (R) 80 MHz Bandwidth (3 dB, G = +1) and Cerdip (Q) Packages 75 MHz Bandwidth (3 dB, G = +2) 1000 V/
m
s Slew Rate OFFSET 1 NULL AD810 8 DISABLE 50 ns Settling Time to 0.1% (VO = 10 V Step) –IN 2 7 +V Ideal for Video Applications S 30 MHz Bandwidth (0.1 dB, G = +2) +IN 3 6 OUTPUT 0.02% Differential Gain OFFSET –V 4 5 S NULL TOP VIEW 0.04
8
Differential Phase Low Noise 2.9 nV/
√
Hz Input Voltage Noise PRODUCT DESCRIPTION 13 pA/
√
Hz Inverting Input Current Noise
The AD810 is a composite and HDTV compatible, current
Low Power
feedback, video operational amplifier, ideal for use in systems
8.0 mA Supply Current max
such as multimedia, digital tape recorders and video cameras.
2.1 mA Supply Current (Power-Down Mode)
The 0.1 dB flatness specification at bandwidth of 30 MHz
High Performance Disable Function
(G = +2) and the differential gain and phase of 0.02% and
Turn-Off Time 100 ns
0.04° (NTSC) make the AD810 ideal for any broadcast quality
Break Before Make Guaranteed
video system. All these specifications are under load conditions
Input to Output Isolation of 64 dB (OFF State)
of 150 Ω (one 75 Ω back terminated cable).
Flexible Operation Specified for
6
5 V and
6
15 V Operation
The AD810 is ideal for power sensitive applications such as 6
2.9 V Output Swing Into a 150
V
Load (V
video cameras, offering a low power supply current of 8.0 mA
S =
6
5 V)
max. The disable feature reduces the power supply current to
APPLICATIONS
only 2.1 mA, while the amplifier is not in use, to conserve
Professional Video Cameras
power. Furthermore the AD810 is specified over a power supply
Multimedia Systems
range of ± 5 V to ± 15 V.
NTSC, PAL & SECAM Compatible Systems Video Line Driver
The AD810 works well as an ADC or DAC buffer in video
ADC/DAC Buffer
systems due to its unity gain bandwidth of 80 MHz. Because the
DC Restoration Circuits
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 0.20 0 0.09 0.18 GAIN = +2 GAIN = +2 RF = 715
Ω
R –45 0.08 0.16 L = 150
Ω
RL = 150
Ω
PHASE fC = 3.58MHz –90 0.07 0.14 100 IRE MODULATED RAMP 1 –135 0.06 0.12 VS = ±15V 0 –180 0.05 0.10 GAIN ±5V GAIN –1 –225 0.04 0.08 PHASE PHASE SHIFT – Degrees ±2.5V DIFFERENTIAL GAIN – % –2 –270 0.03 0.06 VS = ±15V –3 0.02 0.04 DIFFERENTIAL PHASE – Degrees ±5V –4 0.01 0.02 ±2.5V CLOSED-LOOP GAIN – dB –5 0 0 1 10 100 1000 5 6 7 8 9 10 11 12 13 14 15 FREQUENCY – MHz 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 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
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
otherwise under any patent or patent rights of Analog Devices.
Tel: 617/329-4700 Fax: 617/326-8703