AD8541ART Analog Devices Inc, AD8541ART Datasheet

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AD8541ART

Manufacturer Part Number
AD8541ART
Description
Manufacturer
Analog Devices Inc
Datasheet

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a
GENERAL DESCRIPTION
The AD8541/AD8542/AD8544 are single, dual and quad rail-
to-rail input and output single supply amplifiers featuring very
low supply current and 1 MHz bandwidth. All are guaranteed to
operate from a +2.7 V single supply as well as a +5 V supply.
These parts provide 1 MHz bandwidth at low current consump-
tion of 45 µA per amplifier.
Very low input bias currents enable the AD8541/AD8542/AD8544
to be used for integrators, photodiode amplifiers, piezo electric
sensors and other applications with high source impedance. Supply
current is only 45 µA per amplifier, ideal for battery operation.
Rail-to-rail inputs and outputs are useful to designers buffering
ASICs in single supply systems. The AD8541/AD8542/AD8544
are optimized to maintain high gains at lower supply voltages,
making them useful for active filters and gain stages.
The AD8541/AD8542/AD8544 are specified over the extended
industrial (–40°C to +125°C) temperature range. The AD8541
is available in 8-lead SO and 5-lead SOT-23 packages. The
AD8542 is available in 8-lead SO, 8-lead MSOP, and 8-lead
TSSOP surface mount packages. The AD8544 is available in
14-lead narrow SO-14 and 14-lead TSSOP surface mount pack-
ages. All TSSOP, MSOP, and SOT versions are available in tape
and reel only.
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
which may result from its use. No license is granted by implication or
otherwise under any patent or patent rights of Analog Devices.
FEATURES
Single Supply Operation: +2.7 V to +5.5 V
Low Supply Current: 45 A/Amplifier
Wide Bandwidth: 1 MHz
No Phase Reversal
Low Input Currents: 4 pA
Unity Gain Stable
Rail-to-Rail Input and Output
APPLICATIONS
ASIC Input or Output Amplifier
Sensor Interface
Piezo Electric Transducer Amplifier
Medical Instrumentation
Mobile Communication
Audio Output
Portable Systems
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700
Fax: 781/326-8703
SO-8 (R), RM-8, and RU-8
OUT A
+IN A
+IN A
IN A
IN A
NC
V
V
NC = NO CONNECT
1
2
3
4
1
2
3
4
AD8541/AD8542/AD8544
SO-8 (R)
AD8541
AD8542
General Purpose CMOS
PIN CONFIGURATIONS
Rail-to-Rail Amplifiers
World Wide Web Site: http://www.analog.com
8
7
6
5
8
7
6
5
V+
OUT B
+IN B
NC
V+
NC
OUT A
IN B
OUT A
OUT B
OUT A
+IN A
+IN B
+IN A
SO-14 (R) and RU-14
IN A
IN B
V
V+
© Analog Devices, Inc., 2000
SOT-23-5 (RT)
1
2
3
4
5
6
7
1
2
3
AD8541
AD8544
5
4
14
13
12
11
10
9
8
V+
IN A
OUT D
+IN D
V
+IN C
OUT C
IN D
IN C

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AD8541ART Summary of contents

Page 1

... All TSSOP, MSOP, and SOT versions are available in tape and reel only. 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 which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices ...

Page 2

AD8541/AD8542/AD8544–SPECIFICATIONS ELECTRICAL CHARACTERISTICS Parameter INPUT CHARACTERISTICS Offset Voltage Input Bias Current Input Offset Current Input Voltage Range Common-Mode Rejection Ratio Large Signal Voltage Gain Offset Voltage Drift Bias Current Drift Offset Current Drift OUTPUT CHARACTERISTICS Output Voltage High Output Voltage ...

Page 3

ELECTRICAL CHARACTERISTICS Parameter INPUT CHARACTERISTICS Offset Voltage Input Bias Current Input Offset Current Input Voltage Range Common-Mode Rejection Ratio Large Signal Voltage Gain Offset Voltage Drift Bias Current Drift Offset Current Drift OUTPUT CHARACTERISTICS Output Voltage High Output Voltage Low ...

Page 4

AD8541/AD8542/AD8544–SPECIFICATIONS ELECTRICAL CHARACTERISTICS Parameter INPUT CHARACTERISTICS Offset Voltage Input Bias Current Input Offset Current Input Voltage Range Common-Mode Rejection Ratio Large Signal Voltage Gain Offset Voltage Drift Bias Current Drift Offset Current Drift OUTPUT CHARACTERISTICS Output Voltage High Output Voltage ...

Page 5

... Exposure to absolute maximum rating conditions for extended periods may affect device reliability. For supplies less than +6 V, the differential input voltage is equal to ± Model AD8541AR AD8541ART* AD8542AR AD8542ARM* AD8542ARU* AD8544AR AD8544ARU* *Available in reels only. ...

Page 6

AD8541/AD8542/AD8544 180 +2.5V 160 + 140 120 100 4.5 3.5 2.5 1.5 0.5 0.5 1.5 2.5 3.5 4.5 INPUT OFFSET VOLTAGE – mV Figure ...

Page 7

V = +2. 10k + + 100 1k 10k CAPACITANCE – pF Figure 10. Small Signal Overshoot vs. Load Capacitance 1.35V V = ...

Page 8

AD8541/AD8542/AD8544 5 + +4.9Vp 4 + 3.5 3.0 2.5 2.0 1.5 1.0 0 10k 100k 1M 10M FREQUENCY – Hz Figure 19. Closed-Loop ...

Page 9

... Analog Devices AD8531/AD853/AD8534 parts, with output currents to 250 mA. Information on these parts is available from your Analog Devices representative, and datasheets are available at the Analog Devices website at www.analog.com. Better Performance at Lower Voltages The AD854x family parts have been designed to provide better ac performance ...

Page 10

AD8541/AD8542/AD8544 accomplish in the FNDR circuit. For example, the Twin-T Notch uses three capacitors with two unique values, whereas the FNDR circuit uses only two capacitors, which may be of the same value simply a buffer that is ...

Page 11

... AD8542 SPICE Macro-model Typical Values * 6/98, Ver TAM / ADSC * * Copyright 1998 by Analog Devices * * Refer to “README.DOC” file for License State- ment. Use of this * model indicates your acceptance of the terms and provisions in * the License Statement Node Assignments * noninverting input * | inverting input * | | ...

Page 12

AD8541/AD8542/AD8544 8-Lead TSSOP (RU-08) 0.122 (3.10) 0.114 (2.90 PIN 1 0.0256 (0.65) 0.006 (0.15) BSC 0.002 (0.05) 0.0433 (1.10) MAX 0.0118 (0.30) SEATING 0.0079 (0.20) 0.0075 (0.19) PLANE 0.0035 (0.090) 8-Lead SOIC (SO-8) 0.1968 (5.00) 0.1890 ...

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