AD8502ARJZ-REEL7 Analog Devices Inc, AD8502ARJZ-REEL7 Datasheet

IC OPAMP GP CMOS 7KHZ SOT23-8

AD8502ARJZ-REEL7

Manufacturer Part Number
AD8502ARJZ-REEL7
Description
IC OPAMP GP CMOS 7KHZ SOT23-8
Manufacturer
Analog Devices Inc
Datasheet

Specifications of AD8502ARJZ-REEL7

Slew Rate
0.004 V/µs
Amplifier Type
General Purpose
Number Of Circuits
2
Output Type
Rail-to-Rail
Gain Bandwidth Product
7kHz
Current - Input Bias
1pA
Voltage - Input Offset
500µV
Current - Supply
0.75µA
Current - Output / Channel
5mA
Voltage - Supply, Single/dual (±)
1.8 V ~ 5.5 V, ±0.9 V ~ 2.75 V
Operating Temperature
-40°C ~ 125°C
Mounting Type
Surface Mount
Package / Case
SOT-23-8
Op Amp Type
Low Power
No. Of Amplifiers
2
Bandwidth
7kHz
Supply Voltage Range
1.8V To 5.5V
Amplifier Case Style
SOT-23
No. Of Pins
8
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
-3db Bandwidth
-
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
Other names
AD8502ARJZ-REEL7TR

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FEATURES
Supply current: 1 μA maximum/amplifier
Offset voltage: 3 mV maximum
Single-supply or dual-supply operation
Rail-to-rail input and output
No phase reversal
Unity gain stable
APPLICATIONS
Portable equipment
Remote sensors
Low power filters
Threshold detectors
Current sensing
GENERAL DESCRIPTION
The AD8502/AD8504 are low power, precision CMOS operational
amplifiers featuring a maximum supply current of 1 μA per
amplifier. The AD8502/AD8504 have a maximum offset voltage
of 3 mV and a typical input bias current of 1 pA operating rail-
to-rail on both the input and output. The AD8502/AD8504 can
operate from a single-supply voltage of +1.8 V to +5.5 V or a
dual-supply voltage of ±0.9 V to ±2.75 V.
With its low power consumption, low input bias current, and
rail-to-rail input and output, the AD8502/AD8504 are ideally
suited for a variety of battery-powered portable applications.
Potential applications include bedside monitors, pulse monitors,
glucose meters, smoke and fire detectors, vibration monitors,
and backup battery sensors.
The ability to swing rail-to-rail at both the input and output
helps maximize dynamic range and signal-to-noise ratio in
systems that operate at very low voltages. The low offset voltage
allows use of the AD8502/AD8504 in systems with high gain
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 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.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
Fax: 781.461.3113
without creating excessively large output offset errors. The
AD8502 and AD8504 offer an additional benefit by providing
high accuracy without the need for system calibration.
The AD8502/AD8504 are fully specified over the industrial
temperature range (−40°C to +85°C) and the extended indus-
trial temperature range (−40°C to +125°C). The AD8502 is
available in an 8-lead, SOT-23 surface-mount package. The
AD8504 is available in a 14-lead TSSOP surface-mount package.
Table 1. Low Supply Current Op Amps
Supply Current
Single
Dual
Quad
1 μA Micropower CMOS
Operational Amplifiers
OUT A
OUT B
–IN A
+IN A
+IN B
–IN B
OUT A
PIN CONFIGURATIONS
–IN A
+IN A
©2007–2009 Analog Devices, Inc. All rights reserved.
Figure 2. 14-Lead TSSOP (RU-14)
V+
V–
Figure 1. 8-Lead SOT-23
1
2
3
4
5
6
7
1 μA
AD8500
AD8502
AD8504
1
2
3
4
(Not to Scale)
(Not to Scale)
AD8502
TOP VIEW
AD8504
TOP VIEW
AD8502/AD8504
10 μA
ADA4505-2
ADA4505-4
8
7
6
5
14
13
12
11
10
9
8
V+
OUT B
–IN B
+IN B
OUT D
–IN D
+IN D
V–
+IN C
OUT C
–IN C
www.analog.com
20 μA
AD8506
AD8508

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AD8502ARJZ-REEL7 Summary of contents

Page 1

FEATURES Supply current: 1 μA maximum/amplifier Offset voltage maximum Single-supply or dual-supply operation Rail-to-rail input and output No phase reversal Unity gain stable APPLICATIONS Portable equipment Remote sensors Low power filters Threshold detectors Current sensing GENERAL DESCRIPTION The ...

Page 2

AD8502/AD8504 TABLE OF CONTENTS Features .............................................................................................. 1 Applications ....................................................................................... 1 Pin Configurations ........................................................................... 1 General Description ......................................................................... 1 Revision History ............................................................................... 2 Specifications ..................................................................................... 3 Electrical Characteristics ............................................................. 3 REVISION HISTORY 2/09—Rev Rev. A Changes to General Description ...

Page 3

SPECIFICATIONS ELECTRICAL CHARACTERISTICS @ / 25°C, unless otherwise noted Table 2. Parameter INPUT CHARACTERISTICS Offset Voltage Offset Voltage Drift Input Bias Current Input Offset Current Input Voltage ...

Page 4

AD8502/AD8504 Parameter NOISE PERFORMANCE Peak-to-Peak Noise Voltage Noise Density Current Noise Density @ 25°C, unless otherwise noted Table 3. Parameter INPUT CHARACTERISTICS Offset Voltage Offset Voltage ...

Page 5

Parameter DYNAMIC PERFORMANCE Slew Rate Gain Bandwidth Product Phase Margin NOISE PERFORMANCE Peak-to-Peak Noise Voltage Noise Density Current Noise Density Symbol Conditions MΩ LOAD GBP Ø ...

Page 6

AD8502/AD8504 ABSOLUTE MAXIMUM RATINGS T = 25°C, unless otherwise noted. A Table 4. Parameter Supply Voltage Input Voltage Differential Input Voltage Output Short-Circuit Duration to GND Storage Temperature Range Operating Temperature Range Junction Temperature Range Lead Temperature (Soldering, 60 sec) ...

Page 7

TYPICAL PERFORMANCE CHARACTERISTICS T = 25°C, unless otherwise noted. A 160 140 120 100 –2400 –1800 –1200 –600 0 600 V (µV) OS Figure 3. Input Offset Voltage Distribution (0 V < V 200 150 ...

Page 8

AD8502/AD8504 1.0 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0 (V) S Figure 9. Supply Current vs. Supply Voltage 1.2 1 5.0V 0 1.8V SY 0.4 0.2 ...

Page 9

FREQUENCY (kHz) Figure 15. CMRR vs. Frequency 100 0.01 0.1 1 FREQUENCY ...

Page 10

AD8502/AD8504 OUT TIME (40µs/DIV) Figure 21. Turn-On Transient Response OUT –1 –2 –3 –4 –0.005 –0.003 –0.001 0.001 0.003 TIME (s) Figure 22. No Phase Reversal ...

Page 11

V (V) CM Figure 27. Input Offset Voltage vs. Input Common-Mode Voltage, V 1000 I (+125°C) B 100 (+25°C) B 0.1 0.01 ...

Page 12

AD8502/AD8504 80 PHASE GAIN 0 –20 –40 –60 –80 10 100 1k FREQUENCY (Hz) Figure 33. Open-Loop Gain and Phase vs. Frequency, V 100 0.01 0.1 FREQUENCY ...

Page 13

TIME (ms) Figure 37. Small Signal Transient Response (100 pF Load Capacitance 1 2.0 1.8 1.6 1.4 1.2 1.0 0.8 0.6 0.4 0.2 0 ...

Page 14

... MIN 1.05 1.00 0.80 COPLANARITY ORDERING GUIDE Model Temperature Range 1 AD8502ARJZ-R2 −40°C to +125°C AD8502ARJZ-REEL 1 −40°C to +125°C 1 AD8502ARJZ-REEL7 −40°C to +125°C AD8504ARUZ 1 −40°C to +125°C 1 AD8504ARUZ-REEL −40°C to +125° RoHS Compliant Part. 3.00 2.90 2. ...

Page 15

NOTES Rev Page AD8502/AD8504 ...

Page 16

AD8502/AD8504 NOTES ©2007–2009 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. D06323-0-2/09(A) Rev Page ...

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