AD8274ARZ Analog Devices Inc, AD8274ARZ Datasheet

IC AMP DIFF 20MHZ LDIST 8SOIC

AD8274ARZ

Manufacturer Part Number
AD8274ARZ
Description
IC AMP DIFF 20MHZ LDIST 8SOIC
Manufacturer
Analog Devices Inc
Series
iPolar®r
Datasheet

Specifications of AD8274ARZ

Design Resources
High Voltage, High Precision Current Sensing with Output Level Shifting Using AD8210 and AD8274 (CN0116) High Speed Instrumentation Amplifier Using AD8271 and ADA4627-1 (CN0122)
Amplifier Type
Differential
Number Of Circuits
1
Slew Rate
20 V/µs
Gain Bandwidth Product
20MHz
Voltage - Input Offset
300µV
Current - Supply
2.3mA
Current - Output / Channel
90mA
Voltage - Supply, Single/dual (±)
5 V ~ 36 V, ±2.5 V ~ 18 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
8-SOIC (3.9mm Width)
No. Of Amplifiers
1
Input Offset Voltage
700µV
Bandwidth
20MHz
Supply Voltage Range
2.5V To 18V
Supply Current
2.3mA
Amplifier Case Style
SOIC
No. Of Pins
8
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Output Type
-
-3db Bandwidth
-
Current - Input Bias
-

Available stocks

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Part Number
Manufacturer
Quantity
Price
Part Number:
AD8274ARZ
Manufacturer:
AD
Quantity:
3 997
Part Number:
AD8274ARZ
Manufacturer:
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Quantity:
20 000
Part Number:
AD8274ARZ-R7
Manufacturer:
AD
Quantity:
2 592
FEATURES
Very low distortion
Excellent gain accuracy
AC specifications
High accuracy dc performance
8-lead SOIC and MSOP packages
Supply current: 2.6 mA maximum
Supply range: ±2.5 V to ±18 V
APPLICATIONS
ADC driver
High performance audio
Instrumentation amplifier building blocks
Level translators
Automatic test equipment
Sine/cosine encoders
GENERAL DESCRIPTION
The AD8274 is a difference amplifier that delivers excellent ac
and dc performance. Built on Analog Devices, Inc., proprietary
iPolar® process and laser-trimmed resistors, AD8274 achieves a
breakthrough in distortion vs. current consumption and has
excellent gain drift, gain accuracy, and CMRR.
Distortion in the audio band is an extremely low 0.00025%
(112 dB) at a gain of ½ and 0.00035% (109 dB) at a gain of 2
while driving a 600 Ω load
With supply voltages up to ±18 V (+36 V single supply), the
AD8274 is well suited for measuring large industrial signals.
Additionally, the part’s resistor divider architecture allows it to
measure voltages beyond the supplies.
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. 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.
0.00025% THD + N (20 kHz)
0.0015% THD + N (100 kHz)
Drives 600 Ω loads
0.03% maximum gain error
2 ppm/°C maximum gain drift
Gain of ½ or 2
20 V/μs minimum slew rate
800 ns to 0.01% settling time
83 dB minimum CMRR
700 μV maximum offset voltage
Precision Difference Amplifier
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
Fax: 781.461.3113
Table 1. Difference Amplifiers by Category
Low
Distortion
AD8270
AD8273
AD8274
AMP03
With no external components, the AD8274 can be configured
as a G = ½ or G = 2 difference amplifier. For single-ended
applications that need high gain stability or low distortion
performance, the AD8274 can also be configured for several
gains ranging from −2 to +3.
The excellent distortion and dc performance of the AD8274,
along with its high slew rate and bandwidth, make it an excellent
ADC driver. Because of the part’s high output drive, it also
makes a very good cable driver.
The AD8274 only requires 2.6 mA maximum supply current. It
is specified over the industrial temperature range of −40°C to
+85°C and is fully RoHS compliant. For the dual version, see the
AD8273
data sheet.
FUNCTIONAL BLOCK DIAGRAM
High
Voltage
AD628
AD629
©2008–2011 Analog Devices, Inc. All rights reserved.
2
3
Very Low Distortion,
12kΩ
12kΩ
Single-Supply
Unidirectional
AD8202
AD8203
Figure 1.
+V
–V
7
4
S
S
6kΩ
6kΩ
5
6
1
AD8274
Single-Supply
Bidirectional
AD8205
AD8206
AD8216
www.analog.com

Related parts for AD8274ARZ

AD8274ARZ Summary of contents

Page 1

FEATURES Very low distortion 0.00025% THD + N (20 kHz) 0.0015% THD + N (100 kHz) Drives 600 Ω loads Excellent gain accuracy 0.03% maximum gain error 2 ppm/°C maximum gain drift Gain of ½ specifications 20 ...

Page 2

AD8274 TABLE OF CONTENTS Features .............................................................................................. 1 Applications....................................................................................... 1 Functional Block Diagram .............................................................. 1 General Description ......................................................................... 1 Revision History ............................................................................... 2 Specifications..................................................................................... 3 Absolute Maximum Ratings............................................................ 4 Thermal Resistance ...................................................................... 4 Maximum Power Dissipation ..................................................... 4 Short-Circuit Current .................................................................. ...

Page 3

SPECIFICATIONS V = ± 25° kΩ, unless otherwise noted. S REF A L Table 2. Parameter Conditions DYNAMIC PERFORMANCE Bandwidth Slew Rate Settling Time to 0. step on ...

Page 4

AD8274 ABSOLUTE MAXIMUM RATINGS Table 3. Parameter Supply Voltage Maximum Voltage at Any Input Pin Minimum Voltage at Any Input Pin Storage Temperature Range Specified Temperature Range Package Glass Transition Temperature (T Stresses above those listed under Absolute Maximum Ratings ...

Page 5

PIN CONFIGURATIONS AND FUNCTION DESCRIPTION REF 1 8 AD8274 – TOP VIEW + (Not to Scale) – CONNECT Figure 3. MSOP Pin Configuration Table 5. Pin Function Descriptions Pin No. ...

Page 6

AD8274 TYPICAL PERFORMANCE CHARACTERISTICS V = ± 25°C, gain = ½, difference amplifier configuration, unless otherwise noted –5 –10 –15 –20 –25 REPRESENTATIVE SAMPLES –30 –50 –30 – ...

Page 7

V = ± ±2.5V –1.0V, +2.7V S +1.0V, +2. –1.0V, –2.0V –2 +1.0, –2.6V –4 –3.5V, –5.2V –6 –8 –4 –3 –2 – OUTPUT VOLTAGE (V) Figure 11. ...

Page 8

AD8274 +V S +85°C +125°C +V – 2 +25°C S –40°C +V – – +125°C S – –40°C +25°C +85°C –V S 200 1k LOAD RESISTANCE (Ω) Figure 17. Output Voltage Swing ...

Page 9

CAPACITIVE LOAD (pF) Figure 23. Small-Signal Overshoot vs. Capacitive Load, Gain = ½, No Resistive Load 100 ...

Page 10

AD8274 +SR 20 – –40 – TEMPERATURE (°C) Figure 29. Slew Rate vs. Temperature 10k 1k GAIN = 2 100 GAIN = ½ 100 1k ...

Page 11

GAIN = 1kHz 0.1 0. 600Ω 2kΩ 100kΩ L 0.001 0.0001 OUTPUT AMPLITUDE (dBu) Figure 35. THD + N vs. Output Amplitude ...

Page 12

AD8274 THEORY OF OPERATION + 12kΩ 6kΩ 2 12kΩ 6kΩ –V S Figure 38. Functional Block Diagram CIRCUIT INFORMATION The AD8274 consists of a high precision, low distortion op amp and four trimmed resistors. These resistors ...

Page 13

CONFIGURATIONS The AD8274 can be configured in several ways; see Figure 40 to Figure 47. Because these configurations rely on the internal, matched resistors, all of these configurations have excellent gain accuracy and gain drift. Note that the AD8274 internal ...

Page 14

AD8274 DRIVING CABLING Because the AD8274 can drive large voltages at high output currents and slew rates, it makes an excellent cable driver good practice to put a small value resistor between the AD8274 output and cable, since ...

Page 15

... COPLANARITY IDENTIFIER ORDERING GUIDE 1 Model Temperature Range AD8274ARZ −40°C to +85°C AD8274ARZ-R7 −40°C to +85°C AD8274ARZ-RL −40°C to +85°C AD8274ARMZ −40°C to +85°C AD8274ARMZ-R7 −40°C to +85°C AD8274ARMZ-RL −40°C to +85° RoHS Compliant Part. 5.00 (0.1968) 4 ...

Page 16

AD8274 NOTES ©2008–2011 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. D07362-0-1/11(B) Rev Page ...

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