AD8044 Analog Devices, AD8044 Datasheet

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AD8044

Manufacturer Part Number
AD8044
Description
Quad 150 MHz Rail-to-Rail Amplifier
Manufacturer
Analog Devices
Datasheet

Specifications of AD8044

-3db Bandwidth
160MHz
Slew Rate
190V/µs
Vos
1.4mV
Ib
2µA
# Opamps Per Pkg
4
Input Noise (nv/rthz)
16nV/rtHz
Vcc-vee
3V to 12V
Isy Per Amplifier
3.4mA
Packages
DIP,SOIC

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a
PRODUCT DESCRIPTION
The AD8044 is a quad, low power, voltage feedback, high
speed amplifier designed to operate on +3 V, +5 V, or ± 5 V
supplies. It has true single-supply capability with an input volt-
age range extending 200 mV below the negative rail and within
1 V of the positive rail.
REV. B
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. No license is granted by implication or otherwise
under any patent or patent rights of Analog Devices. Trademarks and
registered trademarks are the property of their respective owners.
FEATURES
Single AD8041 and Dual AD8042 Also Available
Fully Specified at +3 V, +5 V, and
Output Swings to Within 25 mV of Either Rail
Input Voltage Range Extends 200 mV Below Ground
No Phase Reversal with Inputs 1 V Beyond Supplies
Low Power of 2.75 mA/Amplifier
High Speed and Fast Settling on +5 V
Good Video Specifications (R
Low Distortion
Outstanding Load Drive Capability
APPLICATIONS
Active Filters
Video Switchers
Distribution Amplifiers
A/D Driver
Professional Cameras
CCD Imaging Systems
Ultrasound Equipment (Multichannel)
150 MHz –3 dB Bandwidth (G = +1)
170 V/ s Slew Rate
40 ns Settling Time to 0.1%
Gain Flatness of 0.1 dB to 12 MHz
0.06% Differential Gain Error
0.15 Differential Phase Error
–68 dBc Total Harmonic @ 5 MHz
Drives 30 mA 0.5 V from Supply Rails
Figure 1. Output Swing: Gain = –1, R
0V
2.5V
5V
1V
L
= 150
V
S
5 V Supplies
= +5V
, G = +2)
2 s
L
= 2 k W
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700
Fax: 781/326-8703
The output voltage swing extends to within 25 mV of each rail,
providing the maximum output dynamic range. Additionally, it
features gain flatness of 0.1 dB to 12 MHz, while offering differ-
ential gain and phase error of 0.04% and 0.22∞ on a single +5 V
supply. This makes the AD8044 useful for video electronics,
such as cameras, video switchers, or any high speed portable
equipment. The AD8044’s low distortion and fast settling make
it ideal for active filter applications.
The AD8044 offers low power supply current of 13.1 mA max
and can run on a single +3.3 V power supply. These features are
ideally suited for portable and battery-powered applications
where size and power are critical.
The wide bandwidth of 150 MHz, along with 170 V/ms of slew
rate on a single +5 V supply, make the AD8044 useful in many
general-purpose, high speed applications where dual power
supplies of up to ± 6 V and single supplies from +3 V to +12 V
are needed. The AD8044 is available in 14-lead PDIP and
SOIC.
Figure 2. Frequency Response: Gain = +1, V
–12
18
15
12
–6
–9
–3
9
6
3
0
100k
14-Lead Plastic DIP and SOIC
CONNECTION DIAGRAM
OUT A
OUT B
+IN A
–IN A
+IN B
–IN B
V+
© 2004 Analog Devices, Inc. All rights reserved.
Rail-to-Rail Amplifier
1M
1
2
3
4
5
6
7
AD8044
TOP VIEW
FREQUENCY (Hz)
10M
Quad 150 MHz
14
13
12
11
10
9
8
OUT D
–IN D
+IN D
V–
+IN C
–IN C
OUT C
V
G = +1
S
100M
AD8044
= +5V
www.analog.com
S
= +5 V

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AD8044 Summary of contents

Page 1

... The wide bandwidth of 150 MHz, along with 170 V/ms of slew rate on a single +5 V supply, make the AD8044 useful in many general-purpose, high speed applications where dual power supplies ± and single supplies from + +12 V are needed ...

Page 2

... 2 150 – 0 4.5 V MIN MAX OUT Sourcing Sinking ± –2– to 2.5 V, unless otherwise noted.) AD8044A Min Typ Max Units 80 150 MHz 12 MHz 140 170 V/ms 26 MHz – nV/÷ ...

Page 3

... V 0. 0.5 V 0.3 CM –60 1.5 5.5 7 4.5 4.5 0.2 1 225 1.6 –0 0.025 to 2.98 0.17 to 2.82 0.06 to 2.93 0.35 to 2.55 0. 10.5 12 +70 AD8044 Units MHz MHz V/ms MHz nV/÷Hz fA/÷Hz % Degrees mV/∞ ∞C ...

Page 4

... 150 – –4 +4.5 V MIN MAX OUT Sourcing Sinking – ± –4– unless otherwise noted.) AD8044A Min Typ Max Units 85 160 MHz 15 MHz 150 190 V/ms 29 MHz – nV/÷Hz 900 fA/÷ ...

Page 5

... JA MAXIMUM POWER DISSIPATION The maximum power that can be safely dissipated by the AD8044 is limited by the associated rise in junction tempera- ture. The maximum safe junction temperature for plastic encap- sulated devices is determined by the glass transition temperature of the plastic, approximately +150∞C. Exceeding this limit temporarily may cause a shift in parametric performance due to a change in the stresses exerted on the die by the package ...

Page 6

... AD8044–Typical Performance Characteristics + + PARTS MEAN = 350 V 8 STD DEVIATION = 560 –3 –2.5 –2 –1.5 –1 –0.5 0 0.5 V (mV) OS Figure 4. Typical Distribution MEAN = 7 STD DEV = 2 SAMPLE SIZE = ...

Page 7

... MODULATING RAMP LEVEL (IRE) 0.3 0.2 0.1 11.6MHz 0 + 200 150 TO 2. 0.2V p-p 1M 10M FREQUENCY (Hz) Figure 14. 0.1 dB Gain Flatness 5pF L GAIN PHASE 80MHz 10M 100M 100k 1M FREQUENCY (Hz) AD8044 90 100 90 100 100M 180 135 ...

Page 8

... AD8044 + 2. 5pF 0.2V p –1 –2 –3 –4 –5 1M 10M FREQUENCY (Hz) Figure 16. Closed-Loop Frequency Response vs. Temperature 5pF 0.2V p –1 –2 –3 –4 100k 1M 10M FREQUENCY (Hz) Figure 17. Closed-Loop Frequency Response vs. Supply ...

Page 9

... – –30 –40 –50 –60 –70 –80 –90 –100 –110 0.1 100 500 Figure 27. Crosstalk (Output to Output) vs. Frequency –9– AD8044 100mV STEP 150mV STEP 750 + 100mV STEP ...

Page 10

... AD8044 5V 4.656V 2.5V 0.211V 500mV 0V Figure 28a. Output Swing vs. Load Reference Voltage – 4.309V –1 2.5V +10mV 500mV Figure 28b. Output Swing vs. Load Reference Voltage – 5pF L 2.5V 1.5V 500mV 0.5V Figure 29. One Volt Step Response ...

Page 11

... Q8 and Q36 is accomplished by I8 and I5, along with a common-mode feedback loop (not shown). This circuit topol- ogy allows the AD8044 to drive output current with the outputs within 0 the supply rails. On the input side, the device can handle voltages from –0.2 V below the negative rail to within 1 the positive rail. Ex- ceeding these values will not cause phase reversal ...

Page 12

... V supply and driven by the Blue signal of a color bar pattern. Note that the input and output are at ground during the horizontal blanking interval. The RGB signals are specified to output a maximum of 700 mV peak. The output of the AD8044 is 1.4 V with the termination resistors providing a divide-by-two. –12– IC ...

Page 13

... Figure 38 shows an example MHz biquad bandwidth filter that uses three op amps of an AD8044 package. Such circuits are sometimes used in medical ultrasound systems to lower the noise bandwidth of the analog signal before A/D conversion. ...

Page 14

... AD8044 4.00 (0.1575) 3.80 (0.1496) 0.25 (0.0098) 0.10 (0.0039) COPLANARITY OUTLINE DIMENSIONS 14-Lead Plastic Dual In-Line Package [PDIP] (N-14) Dimensions shown in inches and (millimeters) 0.685 (17.40) 0.665 (16.89) 0.295 (7.49) 0.645 (16.38) 0.285 (7.24) 0.275 (6.99 0.100 (2.54) BSC 0.325 (8.26) 0.310 (7.87) 0.015 (0.38) 0.300 (7.62) MIN 0.180 (4.57) MAX 0.150 (3.81) SEATING 0.130 (3.30) PLANE 0.022 (0.56) ...

Page 15

... Revision History Location 8/04—Data Sheet changed from Rev Rev. B Changes to ORDERING GUIDE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Updated OUTLINE DIMENSIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 REV. B –15– –15– AD8044 Page ...

Page 16

–16– ...

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