AD8542A Analog Devices, AD8542A Datasheet

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AD8542A

Manufacturer Part Number
AD8542A
Description
Manufacturer
Analog Devices
Datasheet

Specifications of AD8542A

Case
SOP-8L
Dc
03+

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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 consumption 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 SOIC, 5-lead SC70, and 5-lead SOT-23
packages. The AD8542 is available in 8-lead SOIC, 8-lead
MSOP, and 8-lead TSSOP surface-mount packages. The AD8544
is available in 14-lead narrow SOIC, and 14-lead TSSOP surface
mount packages. All TSSOP, MSOP, SC70, and SOT versions
are available in tape and reel only.
AD8541/AD8542/AD8544
8-Lead SOIC, MSOP, and TSSOP
OUT A
OUT B
General-Purpose CMOS
–IN A
+IN A
+IN B
–IN B
OUT A
–IN A
+IN A
14-Lead SOIC and TSSOP
PIN CONFIGURATIONS
(R, RM, and RU Suffixes)
5-Lead SC70 and SOT-23
V+
+IN A
Rail-to-Rail Amplifiers
–IN A
OUT A
V–
+IN A
NC
(KS and RT Suffixes)
V–
(R and RU Suffixes)
V
1
2
3
4
5
6
7
1
2
3
4
1
NC = NO CONNECT
2
3
4
8-Lead SOIC
1
2
3
(R Suffix)
AD8541
AD8541
AD8544
AD8542
5
4
8
7
6
5
V+
14
13
12
11
10
IN A
8
7
6
5
9
8
NC
V+
OUT A
NC
V+
OUT B
–IN B
+IN B
OUT D
–IN D
+IN D
V–
+IN C
–IN C
OUT C

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AD8542A Summary of contents

Page 1

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 ...

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

... AD8541AR –40°C to +125°C AD8541ART –40°C to +125°C AD8542AR –40°C to +125°C AD8542ARM –40°C to +125°C AD8542ARU –40°C to +125°C AD8544AR –40°C to +125°C AD8544ARU –40°C to +125°C Available in reels only. CAUTION ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000 V readily accumulate on the human body and test equipment and can discharge without detection ...

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 400 ...

Page 7

10k + 100 1k 10k CAPACITANCE – pF 1.35V ...

Page 8

AD8541/AD8542/AD8544 5 4 4. 3.5 3.0 2.5 2.0 1.5 1.0 0 10k 100k 1M 10M FREQUENCY – ...

Page 9

... Analog Devices AD8531/AD8532/AD8534 parts, with output currents to 250 mA. Information on these parts is available from your Analog Devices representative, and data sheets 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 8 0.0118 (0.30) 0 SEATING 0.0079 (0.20) 0.0075 (0.19) PLANE 0.0035 (0.090) 8-Lead SOIC (SO-8) 0.1968 ...

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