Datasheet AD8027, AD8028 (Analog Devices)
| 制造商 | Analog Devices |
| 描述 | Low Distortion, High Speed Rail-to-Rail Input/Output Amplifier |
| 页数 / 页 | 27 / 1 — Low Distortion, High Speed. Rail-to-Rail Input/Output Amplifiers. Data … |
| 修订版 | D |
| 文件格式/大小 | PDF / 773 Kb |
| 文件语言 | 英语 |
Low Distortion, High Speed. Rail-to-Rail Input/Output Amplifiers. Data Sheet. AD8027/. AD8028. FEATURES. PIN CONNECTION DIAGRAM
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Low Distortion, High Speed Rail-to-Rail Input/Output Amplifiers Data Sheet AD8027/ AD8028 FEATURES PIN CONNECTION DIAGRAM High speed DNC 1 AD8027 8 DISABLE/SELECT 190 MHz, −3 dB bandwidth (G = +1) –IN 2 7 +VS 100 V/µs slew rate +IN 3 6 VOUT Low distortion –VS 4 5 DNC 120 dBc at 1 MHz SFDR
101
DNC = DO NOT CONNECT. DO NOT 80 dBc at 5 MHz SFDR CONNECT TO THIS PIN.
03327-
Selectable input crossover threshold
Figure 1. 8-Lead SOIC, AD8027
Low noise
See the Pin Configurations and Function Descriptions section
4.3 nV/√Hz
for additional pin configurations and information about the pin
1.6 pA/√Hz
functions.
Low offset voltage: 900 µV maximum Low power: 6.5 mA per amplifier supply current Power-down mode No phase reversal: V > |V | + 200 mV IN S Wide supply range: 2.7 V to 12 V Small packaging: 8-lead SOIC, 6-lead SOT-23, 10-lead MSOP
With their wide supply voltage range (2.7 V to 12 V) and wide
Qualified for automotive applications (AD8028WARMZ-R7 on ly)
bandwidth (190 MHz), the AD8027/AD8028 amplifiers are
APPLICATIONS
designed to work in a variety of applications where speed and
Filters
performance are needed on low supply voltages. The high per-
ADC drivers
formance of the AD8027/AD8028 is achieved with a quiescent
Level shifting
current of only 6.5 mA (typical) per amplifier. The AD8027/
Buffering
AD8028 have a shutdown mode that is control ed via
Professional video
the DISABLE/SELECT pin.
Low voltage instrumentation
The AD8027/AD8028 are available in 8-lead SOIC, 6-lead SOT-23,
GENERAL DESCRIPTION
and 10-lead MSOP packages. The AD8028WARMZ-R7 is an automotive grade version, qualified for automotive applications. The AD8027/AD80281 are high speed amplifiers with rail-to-rail See the Automotive Products section for more details. The input and output that operate on low supply voltages and are AD8027/AD8028 family is designed to work over the extended optimized for high performance and a wide dynamic signal range. temperature range of −40°C to +125°C. The AD8027/AD8028 have low noise (4.3 nV/√Hz, 1.6 pA/√Hz)
–20
and low distortion (120 dBc at 1 MHz). In applications that use a
G = +1 FREQUENCY = 100kHz
fraction of or use the entire input dynamic range and require
RL = 1k
Ω
–40
low distortion, the AD8027/AD8028 are ideal choices. Many rail-to-rail input amplifiers have an input stage that switches
–60
from one differential pair to another as the input signal crosses
VS = +3V VS = +5V B) VS =
±
5V
a threshold voltage, which causes distortion. The AD8027/AD8028
d –80
have a unique feature that al ows the user to select the input
DR ( F S
crossover threshold voltage through the DISABLE/SELECT pin
–100
(DISABLE/SELECT x in the 10-lead MSOP, hereafter referred to as DISABLE/SELECT throughout this data sheet). This feature
–120
controls the voltage at which the complementary transistor input pairs switch. The AD8027/AD8028 also have intrinsically
–140 0 1 2 3 4 5 6 7 8 9 10
063 low crossover distortion.
OUTPUT VOLTAGE (V p-p)
03327- 1 Figure 2. SFDR vs. Output Voltage Protected by U.S. patent numbers 6,486,737B1; 6,518,842B1.
Rev. D Document Feedback 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 One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Tel: 781.329.4700 ©2003–2015 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. Technical Support www.analog.com
Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION PIN CONNECTION DIAGRAM TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS MAXIMUM POWER DISSIPATION Output Short Circuit ESD CAUTION PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS TEST CIRCUIT THEORY OF OPERATION INPUT STAGE CROSSOVER SELECTION OUTPUT STAGE DC ERRORS WIDEBAND OPERATION CIRCUIT CONSIDERATIONS Balanced Input Impedances PCB Layout Grounding Power Supply Bypassing APPLICATIONS INFORMATION USING THE /DISABLE SELECT PIN DRIVING A 16-BIT ADC BAND-PASS FILTER DESIGN TOOLS AND TECHNICAL SUPPORT OUTLINE DIMENSIONS ORDERING GUIDE AUTOMOTIVE PRODUCTS
Low Distortion, High Speed Rail-to-Rail Input/Output Amplifiers Data Sheet AD8027/ AD8028 FEATURES PIN CONNECTION DIAGRAM High speed DNC 1 AD8027 8 DISABLE/SELECT 190 MHz, −3 dB bandwidth (G = +1) –IN 2 7 +VS 100 V/µs slew rate +IN 3 6 VOUT Low distortion –VS 4 5 DNC 120 dBc at 1 MHz SFDR
101
DNC = DO NOT CONNECT. DO NOT 80 dBc at 5 MHz SFDR CONNECT TO THIS PIN.
03327-
Selectable input crossover threshold
Figure 1. 8-Lead SOIC, AD8027
Low noise
See the Pin Configurations and Function Descriptions section
4.3 nV/√Hz
for additional pin configurations and information about the pin
1.6 pA/√Hz
functions.
Low offset voltage: 900 µV maximum Low power: 6.5 mA per amplifier supply current Power-down mode No phase reversal: V > |V | + 200 mV IN S Wide supply range: 2.7 V to 12 V Small packaging: 8-lead SOIC, 6-lead SOT-23, 10-lead MSOP
With their wide supply voltage range (2.7 V to 12 V) and wide
Qualified for automotive applications (AD8028WARMZ-R7 on ly)
bandwidth (190 MHz), the AD8027/AD8028 amplifiers are
APPLICATIONS
designed to work in a variety of applications where speed and
Filters
performance are needed on low supply voltages. The high per-
ADC drivers
formance of the AD8027/AD8028 is achieved with a quiescent
Level shifting
current of only 6.5 mA (typical) per amplifier. The AD8027/
Buffering
AD8028 have a shutdown mode that is control ed via
Professional video
the DISABLE/SELECT pin.
Low voltage instrumentation
The AD8027/AD8028 are available in 8-lead SOIC, 6-lead SOT-23,
GENERAL DESCRIPTION
and 10-lead MSOP packages. The AD8028WARMZ-R7 is an automotive grade version, qualified for automotive applications. The AD8027/AD80281 are high speed amplifiers with rail-to-rail See the Automotive Products section for more details. The input and output that operate on low supply voltages and are AD8027/AD8028 family is designed to work over the extended optimized for high performance and a wide dynamic signal range. temperature range of −40°C to +125°C. The AD8027/AD8028 have low noise (4.3 nV/√Hz, 1.6 pA/√Hz)
–20
and low distortion (120 dBc at 1 MHz). In applications that use a
G = +1 FREQUENCY = 100kHz
fraction of or use the entire input dynamic range and require
RL = 1k
Ω
–40
low distortion, the AD8027/AD8028 are ideal choices. Many rail-to-rail input amplifiers have an input stage that switches
–60
from one differential pair to another as the input signal crosses
VS = +3V VS = +5V B) VS =
±
5V
a threshold voltage, which causes distortion. The AD8027/AD8028
d –80
have a unique feature that al ows the user to select the input
DR ( F S
crossover threshold voltage through the DISABLE/SELECT pin
–100
(DISABLE/SELECT x in the 10-lead MSOP, hereafter referred to as DISABLE/SELECT throughout this data sheet). This feature
–120
controls the voltage at which the complementary transistor input pairs switch. The AD8027/AD8028 also have intrinsically
–140 0 1 2 3 4 5 6 7 8 9 10
063 low crossover distortion.
OUTPUT VOLTAGE (V p-p)
03327- 1 Figure 2. SFDR vs. Output Voltage Protected by U.S. patent numbers 6,486,737B1; 6,518,842B1.
Rev. D Document Feedback 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 One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Tel: 781.329.4700 ©2003–2015 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. Technical Support www.analog.com
Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION PIN CONNECTION DIAGRAM TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS MAXIMUM POWER DISSIPATION Output Short Circuit ESD CAUTION PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS TEST CIRCUIT THEORY OF OPERATION INPUT STAGE CROSSOVER SELECTION OUTPUT STAGE DC ERRORS WIDEBAND OPERATION CIRCUIT CONSIDERATIONS Balanced Input Impedances PCB Layout Grounding Power Supply Bypassing APPLICATIONS INFORMATION USING THE /DISABLE SELECT PIN DRIVING A 16-BIT ADC BAND-PASS FILTER DESIGN TOOLS AND TECHNICAL SUPPORT OUTLINE DIMENSIONS ORDERING GUIDE AUTOMOTIVE PRODUCTS