AD8601ART Analog Devices Inc, AD8601ART Datasheet

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AD8601ART

Manufacturer Part Number
AD8601ART
Description
Manufacturer
Analog Devices Inc
Datasheet

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a
GENERAL DESCRIPTION
The AD8601 and AD8602 are single and dual rail-to-rail input
and output single supply amplifiers featuring very low offset voltage
and wide signal bandwidth. These amplifiers use a new, patented
trimming technique that achieves superior performance without
laser trimming. All are fully specified to operate from 3 V to 5 V
single supply.
The combination of low offsets, very low input bias currents, and
high speed make these amplifiers useful in a wide variety of applica-
tions. Filters, integrators, diode amplifiers, shunt current sensors,
and high impedance sensors all benefit from the combination of
performance features. Audio and other ac applications benefit from
the wide bandwidth and low distortion. For the most cost-sensitive
applications the D grades offer this ac performance with lower dc
precision at a lower price point.
Applications for these amplifiers include audio amplification for
portable devices, portable phone headsets, bar code scanners,
portable instruments, and multipole filters.
Rail-to-Rail Input/Output Wideband
The ability to swing rail-to-rail at both the input and output
enables designers to buffer CMOS ADCs, DACs, ASICs, and
other wide output swing devices in single supply systems.
The AD8601 and AD8602 are specified over the extended industrial
(–40°C to +125°C) temperature range. The AD8601, single, is avail-
able in the tiny 5-lead SOT-23 package. The AD8602, dual, is avail-
able in 8-lead MSOP and narrow SOIC surface-mount packages.
SOT and µSOIC versions are available in tape and reel only.
Precision CMOS Single Supply
FUNCTIONAL BLOCK DIAGRAMS
OUT A
Operational Amplifiers
OUT A
OUT A
+IN A
IN A
IN A
IN A
V
V
+IN
V
5-Lead SOT-23
8-Lead SOIC
8-Lead SOIC
1
2
3
1
2
3
4
(RM Suffix)
(RT Suffix)
(R Suffix)
AD8601
AD8601/AD8602
1
4
AD8602
AD8602
8
5
5
4
8
7
6
5
V+
IN
V+
OUT B
+IN B
V+
OUT B
+IN B
IN B
IN B

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AD8601ART Summary of contents

Page 1

GENERAL DESCRIPTION The AD8601 and AD8602 are single and dual rail-to-rail input and output single supply amplifiers featuring very low offset voltage and wide signal bandwidth. These amplifiers use a new, patented trimming technique that achieves superior performance without ...

Page 2

AD8601/AD8602–SPECIFICATIONS ELECTRICAL CHARACTERISTICS Parameter Symbol INPUT CHARACTERISTICS Offset Voltage V Input Bias Current I B Input Offset Current I OS Input Voltage Range Common-Mode Rejection Ratio CMRR Large Signal Voltage Gain A ∆V Offset Voltage Drift OUTPUT CHARACTERISTICS Output Voltage ...

Page 3

ELECTRICAL CHARACTERISTICS Parameter Symbol INPUT CHARACTERISTICS Offset Voltage V Input Bias Current I B Input Offset Current I OS Input Voltage Range Common-Mode Rejection Ratio CMRR Large Signal Voltage Gain A ∆V Offset Voltage Drift OUTPUT CHARACTERISTICS Output Voltage High ...

Page 4

... This is a stress rating only; functional operation of the device at these or any other conditions above those listed in the operational sections of this specification is not implied. Exposure to absolute maximum rating condi- tions for extended periods may affect device reliability. Model AD8601ART AD8601DRT AD8602AR AD8602DR AD8602ARM ...

Page 5

Typical Performance Characteristics– 3,000 2,500 2,000 1,500 1,000 500 0 0 1.0 0.8 0.6 0.4 0.2 0.2 0.4 INPUT OFFSET VOLTAGE – mV 3,000 V ...

Page 6

AD8601/AD8602 300 250 200 150 100 TEMPERATURE – C 300 250 200 150 100 ...

Page 7

SOURCE 100 SINK 10 1 0.1 0.001 0.01 0.1 1 LOAD CURRENT – 1mA LOAD OH 4.9 4 ...

Page 8

AD8601/AD8602 LOAD 10k 100k 1M FREQUENCY – 100 V ...

Page 9

180 160 140 120 A = 100 V 100 100 1k 10k 100k FREQUENCY – Hz 160 ...

Page 10

AD8601/AD8602 1 1.0 0.8 0.6 0.4 0 TEMPERATURE – 0.8 0.6 0.4 0 TEMPERATURE ...

Page 11

182 156 130 104 0.5 1.0 1.5 FREQUENCY – kHz ...

Page 12

AD8601/AD8602 10k 200pF TIME – 400ns/DIV 10k 200pF ...

Page 13

... The AD8601/AD8602 family of amplifiers are rail-to-rail input and output precision CMOS amplifiers specified from 2 5 power supply voltage. These amplifiers use Analog Devices’ propri- etary technology called DigiTrim™ to achieve a higher degree of precision than available from most CMOS amplifiers. DigiTrim technology is a method of trimming the offset voltage of the amplifi ...

Page 14

AD8601/AD8602 Input Overvoltage Protection As with any semiconductor device condition could exist for the input voltage to exceed the power supply, the device’s input overvoltage characteristic must be considered. Excess input voltage will energize internal PN junctions in ...

Page 15

... SERIAL The SPICE macro-model for the AD860x amplifier is available INTERFACE and can be downloaded from the Analog Devices website at http://www.analog.com. The model will accurately simulate a number of both dc and ac parameters, including open-loop gain, bandwidth, phase margin, input voltage range, output voltage swing versus output current, slew rate, input voltage noise, CMRR, PSRR, and supply current versus supply voltage ...

Page 16

AD8601/AD8602 5-Lead SOT-23 (RT Suffix) 0.1220 (3.100) 0.1063 (2.700 0.1181 (3.000) 0.0709 (1.800) 0.0984 (2.500) 0.0590 (1.500 PIN 1 0.0374 (0.950) REF 0.0748 (1.900) REF 0.0512 (1.300) 0.0571 (1.450) 0.0354 (0.900) 0.0354 (0.900) SEATING 0.0059 ...

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