AD8007 Analog Devices, AD8007 Datasheet

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AD8007

Manufacturer Part Number
AD8007
Description
Ultralow Distortion, High Speed Amplifiers
Manufacturer
Analog Devices
Datasheet

Specifications of AD8007

-3db Bandwidth
650MHz
Slew Rate
1kV/µs
Vos
500µV
Ib
4µA
# Opamps Per Pkg
1
Input Noise (nv/rthz)
2.7nV/rtHz
Vcc-vee
5V to 12V
Isy Per Amplifier
10.2mA
Packages
SC70,SOIC

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FEATURES
Extremely low distortion
High speed
Low noise
Low power: 9 mA/amplifier typical supply current
Wide supply voltage range: 5 V to 12 V
0.5 mV typical input offset voltage
Small packaging: 8-lead SOIC, 8-lead MSOP, and 5-lead SC70
APPLICATIONS
Instrumentation
IF and baseband amplifiers
Filters
A/D drivers
DAC buffers
GENERAL DESCRIPTION
The AD8007 (single) and AD8008 (dual) are high performance
current feedback amplifiers with ultralow distortion and noise.
Unlike other high performance amplifiers, the low price and
low quiescent current allow these amplifiers to be used in a
wide range of applications. Analog Devices, Inc., proprietary
second-generation eXtra-Fast Complementary Bipolar (XFCB)
process enables such high performance amplifiers with low power
consumption.
The AD8007/AD8008 have 650 MHz bandwidth, 2.7 nV/√Hz
voltage noise, −83 dB SFDR at 20 MHz (AD8007), and −77 dBc
SFDR at 20 MHz (AD8008).
With the wide supply voltage range (5 V to 12 V) and wide
bandwidth, the AD8007/AD8008 are designed to work in a
variety of applications. The AD8007/AD8008 amplifiers have
a low power supply current of 9 mA/amplifier.
Rev. E
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.
Trademarks and registered trademarks are the property of their respective owners.
Second harmonic
Third harmonic
650 MHz, −3 dB bandwidth (G = +1)
1000 V/μs slew rate
2.7 nV/√Hz input voltage noise
22.5 pA/√Hz input inverting current noise
−101 dBc @ 5 MHz
−92 dBc @ 20 MHz (AD8007)
−98 dBc @ 20 MHz (AD8008)
−88 dBc @ 5 MHz
−83 dBc @ 20 MHz (AD8007)
−77 dBc @ 20 MHz (AD8008)
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
Fax: 781.461.3113
The AD8007 is available in a tiny SC70 package as well as a
standard 8-lead SOIC. The dual AD8008 is available in both an
8-lead SOIC and an 8-lead MSOP. These amplifiers are rated to
work over the industrial temperature range of −40°C to +85°C.
Figure 4. AD8007 Second and Third Harmonic Distortion vs. Frequency
–100
–110
–30
–40
–50
–60
–70
–80
–90
1
G = +2
R
V
V
S
OUT
L
Figure 3. 8-Lead SOIC (R) and 8-Lead MSOP (RM)
= 150Ω
= ±5V
= 2V p-p
CONNECTION DIAGRAMS
High Speed Amplifiers
©2002–2009 Analog Devices, Inc. All rights reserved.
V
OUT1
–V
–IN1
+IN1
+IN
–IN
V
–V
NC
OUT
–V
+IN
Figure 2. 5-Lead SC70 (KS)
S
Figure 1. 8-Lead SOIC (R)
S
Ultralow Distortion,
S
NC = NO CONNECT
1
2
3
4
1
2
3
4
1
2
3
FREQUENCY (MHz)
AD8007
(Top View)
(Top View)
AD8008
AD8007
(Top View)
AD8007/AD8008
10
SECOND
8
7
6
5
5
8
7
6
5
4
NC
NC
THIRD
+V
V
+V
V
–IN2
+IN2
+V
–IN
OUT
OUT2
S
S
S
www.analog.com
1
00

Related parts for AD8007

AD8007 Summary of contents

Page 1

... S Figure 3. 8-Lead SOIC (R) and 8-Lead MSOP (RM) The AD8007 is available in a tiny SC70 package as well as a standard 8-lead SOIC. The dual AD8008 is available in both an 8-lead SOIC and an 8-lead MSOP. These amplifiers are rated to work over the industrial temperature range of −40°C to +85°C. ...

Page 2

... B to Rev. C Connection Diagrams Captions Updated .................................... 1 Ordering Guide Updated ................................................................ 5 Figure 5 Edited ............................................................................... 14 Updated Outline Dimensions ....................................................... 19   Typical Performance Characteristics ..............................................7   Theory of Operation ...................................................................... 15   Using the AD8007/AD8008 ...................................................... 15   Layout Considerations ............................................................... 16   Layout And Grounding Considerations ...................................... 17   Grounding ................................................................................... 17   Input Capacitance ...................................................................... 17   Output Capacitance ................................................................... 17   ...

Page 3

... R = 150 Ω L +Input +Input V = ±2 − − kΩ 30% overshoot Rev Page AD8007/AD8008 AD8007/AD8008 Min Typ Max Unit 540 650 MHz 250 500 MHz 180 230 MHz 200 235 MHz 50 90 MHz 30 ns 900 1000 V/μ ...

Page 4

... 150 Ω L +Input +Input Rev Page AD8007/AD8008 Min Typ AD8007/AD8008 Min Typ = 1 kΩ 520 580 = 150 Ω 350 490 = 150 Ω 190 260 270 320 = 150 Ω 72 120 = 1 kΩ 665 ...

Page 5

... POWER SUPPLY Operating Range Quiescent Current per Amplifier Power Supply Rejection Ratio +PSRR −PSRR Conditions V − − kΩ 30% overshoot Rev Page AD8007/AD8008 AD8007/AD8008 Unit Min Typ Max 1. ...

Page 6

... Exposure to absolute maximum rating conditions for extended periods may affect device reliability. MAXIMUM POWER DISSIPATION The maximum safe power dissipation in the AD8007/AD8008 packages is limited by the associated rise in junction temperature ( the die. The plastic encapsulating the die locally reaches J the junction temperature. At approximately 150° ...

Page 7

... R = 1kΩ ± 1000 and 200Ω 249Ω S 1000 Values Figure 11. Small Signal Frequency Response for Various Feedback Resistors, S Rev Page AD8007/AD8008 6 6.3 6.2 6.1 6 +5V S 5.9 5 ±5V S 5.7 5.6 5.5 5.4 10 100 FREQUENCY (MHz) Figure 9. 0.1 dB Gain Flatness; V ...

Page 8

... AD8007/AD8008 20pF AND 8 20Ω SNUB 499Ω 4 499Ω SNUB 200Ω LOAD 49.9Ω FREQUENCY (MHz) Figure 12. Small Signal Frequency Response for Capacitive Load and Snub Resistor – +5V, –40°C S – ...

Page 9

... Figure 21. AD8007 Second and Third Harmonic Distortion vs. Frequency and R L –40 –50 –60 –70 –80 –90 = 1kΩ –100 L –110 100 Figure 22. AD8007 Second and Third Harmonic Distortion vs. Frequency and R L –30 –40 –50 –60 –70 –80 HD3 –90 –100 –110 100 Figure 23 ...

Page 10

... AD8007/AD8008 V = ± 200 Ω 499 Ω 150 Ω, @ 25°C, unless otherwise noted – – p-p O –60 HD2 150Ω L –70 HD2 1kΩ L –80 –90 –100 HD3 150Ω L –110 1 10 FREQUENCY (MHz) Figure 24. AD8008 Second and Third Harmonic Distortion vs. Frequency and R – ...

Page 11

... 20MHz O –65 HD2 1kΩ L –70 –75 –80 –85 –90 1.0 1.5 2 p-p) OUT Figure 30. AD8007 Second and Third Harmonic Distortion vs FREQUENCY (MHz) Figure 31. AD8007 Third-Order Intercept vs. Frequency –65 ...

Page 12

... AD8007/AD8008 V = ± 150 Ω 200 Ω 499 Ω, unless otherwise noted 100 100 1 k 10k FREQUENCY (Hz) Figure 36. Input Voltage Noise vs. Frequency 100 10 1 0.1 0. FREQUENCY (Hz) Figure 37. Output Impedance vs. Frequency ±5V, +5V S –10 – ...

Page 13

... Figure 46. Large Signal Transient Response − 150 Ω kΩ Figure 47. Small Signal Transient Response, Effect of Series Snub Resistor = 20 pF Rev Page AD8007/AD8008 150Ω +5V AND ± 1kΩ +5V AND ± 50mV/DIV ...

Page 14

... AD8007/AD8008 150Ω L OUTPUT (2V/DIV) INPUT (1V/DIV) – 100 200 300 TIME (ns) Figure 48. Output Overdrive Recovery kΩ, 150 Ω 0.5 0.4 0.3 0.2 0.1 0 –0.1 18ns –0.2 –0.3 –0.4 –0 TIME (ns) Figure 49. 0.1% Settling Time Step = 1kΩ ...

Page 15

... This situation is shown in Figure 52 using the AD8007 as an example; however not recommended. For a sinusoidal input, each decoupling capacitor returns to its ground a quasi-rectified current carrying high even-order harmonics. ...

Page 16

... Figure 54 499Ω 10µ 0.1µ 499Ω R AD8007 S 200Ω 0.1µF –V S 10µF + Figure 54. High Frequency Capacitors Connected Across the Supplies (Recommended) LAYOUT CONSIDERATIONS The standard noninverting configuration with recommended power supply bypassing is shown in Figure 54. The 0.1 μF high frequency decoupling capacitors should be X7R or NPO chip components ...

Page 17

... When they are not parallel, they help reduce unwanted positive feedback. EXTERNAL COMPONENTS AND STABILITY The AD8007/AD8008 are current feedback amplifiers and first order, the feedback resistor determines the bandwidth and stability. The gain, load impedance, supply voltage, and input impedances also have an effect ...

Page 18

... AD8007/AD8008 OUTLINE DIMENSIONS 0.25 (0.0098) 0.10 (0.0040) COPLANARITY IDENTIFIER 5.00 (0.1968) 4.80 (0.1890 6.20 (0.2441) 4.00 (0.1574) 1 5.80 (0.2284) 3.80 (0.1497) 4 1.27 (0.0500) BSC 1.75 (0.0688) 1.35 (0.0532) 8° 0° 0.51 (0.0201) 0.10 0.31 (0.0122) 0.25 (0.0098) SEATING 0.17 (0.0067) PLANE COMPLIANT TO JEDEC STANDARDS MS-012-A A CONTROLLING DIMENSIONS ARE IN MILLIMETERS; INCH DIMENSIONS (IN PARENTHESES) ARE ROUNDED-OFF MILLIMETER EQUIVALENTS FOR REFERENCE ONLY AND ARE NOT APPROPRIATE FOR USE IN DESIGN ...

Page 19

... AD8007AKSZ-REEL7 −40°C to +85°C AD8007AR −40°C to +85°C AD8007AR-REEL −40°C to +85°C AD8007AR-REEL7 −40°C to +85°C 1 AD8007ARZ −40°C to +85°C 1 AD8007ARZ-REEL −40°C to +85°C 1 AD8007ARZ-REEL7 −40°C to +85°C AD8008AR −40°C to +85°C AD8008AR-REEL7 − ...

Page 20

... AD8007/AD8008 NOTES ©2002–2009 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. D02866-0-11/09(E) Rev Page ...

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