AD8515AKS Analog Devices, AD8515AKS Datasheet

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AD8515AKS

Manufacturer Part Number
AD8515AKS
Description
1.8 V Low Power CMOS Rail-to-rail Input/output Single Operational Amp
Manufacturer
Analog Devices
Datasheet

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a
GENERAL DESCRIPTION
The AD8515 is a rail-to-rail amplifier that can operate from a
single-supply voltage as low as 1.8 V.
The AD8515 single amplifier, available in SOT-23-5L and
SC70-5L packages, is small enough to be placed next to sensors,
reducing external noise pickup.
The AD8515 is a rail-to-rail input and output amplifier with a
gain bandwidth of 5 MHz and typical offset voltage of 1 mV
from a 1.8 V supply. The low supply current makes these parts
ideal for battery-powered applications. The 2.7 V/ms slew rate
makes the AD8515 a good match for driving ASIC inputs, such
as voice codecs.
The AD8515 is specified over the extended industrial tempera-
ture range (–40∞C to +125∞C).
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. 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 companies.
FEATURES
Single-Supply Operation: 1.8 V to 5 V
Offset Voltage: 6 mV Max
Space-Saving SOT-23 and SC70 Packages
Slew Rate: 2.7 V/ s
Bandwidth: 5 MHz
Rail-to-Rail Input and Output Swing
Low Input Bias Current: 2 pA Typ
Low Supply Current @ 1.8 V: 450 A Max
APPLICATIONS
Portable Communications
Portable Phones
Sensor Interfaces
Laser Scanners
PCMCIA Cards
Battery-Powered Devices
New Generation Phones
Personal Digital Assistants
1.8 V Low Power CMOS Rail-to-Rail
Input/Output Operational Amplifier
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700
Fax: 781/326-8703
5-Lead SC70 and SOT-23
PIN CONFIGURATION
© 2003 Analog Devices, Inc. All rights reserved.
(KS and RT Suffixes)
OUT
+IN
V–
1
2
3
AD8515
5
4
V+
IN
AD8515
www.analog.com

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AD8515AKS Summary of contents

Page 1

... 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 companies. 1.8 V Low Power CMOS Rail-to-Rail ...

Page 2

AD8515–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 DV Offset Voltage Drift OUTPUT CHARACTERISTICS Output Voltage ...

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

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AD8515 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 DV Offset Voltage Drift OUTPUT CHARACTERISTICS Output Voltage ...

Page 5

... Model Temperature Range AD8515ART –40ºC to +125ºC AD8515AKS –40ºC to +125ºC 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. Although the AD8515 features proprietary ESD protection circuitry, permanent damage may occur on devices subjected to high energy electrostatic discharges ...

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AD8515–Typical Performance Characteristics 450 V = 2.5V S 400 350 300 250 200 4.65 4.70 4.75 4.80 BANDWIDTH (MHz) TPC 1. Supply Current vs. Bandwidth 450 400 350 300 250 200 150 100 SUPPLY ...

Page 7

V = 2.5V S 100 100 –20 –40 –60 –80 10k 100k 1M FREQUENCY (Hz) TPC 7. A vs. Frequency CL 120 V = 2.5V S ...

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AD8515 – – TEMPERATURE ( C) TPC 13. I vs. Temperature 2. ...

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300pF TIME (1 s/DIV) TPC 19. Large Signal Transient Response ...

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AD8515 200 V = 0.9V S 150 100 GAIN = 100 50 GAIN = 10k 100k FREQUENCY (Hz) TPC 25. Output Impedance vs. Frequency 0. 3. ...

Page 11

FUNCTIONAL DESCRIPTION The AD8515, offered in space-saving SOT-23 and SC70 pack- ages rail-to-rail input and output operational amplifier that can operate at supply voltages as low as 1.8 V. This product is fabricated using 0.6 micron CMOS to ...

Page 12

AD8515 Full Power Bandwidth The slew rate of an amplifier determines the maximum frequency at which it can respond to a large input signal. This frequency (known as full power bandwidth, FPBW) can be calculated from the equation SR = ...

Page 13

Wien Bridge Oscillator The circuit in Figure 7 can be used to generate a sine wave, one of the most fundamental waveforms. Known as a Wien Bridge oscillator, it has the advantage of requiring only one low power amplifier. This ...

Page 14

AD8515 1.30 1.15 0.90 0.15 MAX 5-Lead Thin Shrink Small Outline Transistor Package [SC70] OUTLINE DIMENSIONS 5-Lead Small Outline Transistor Package [SOT-23] (RT-5) Dimensions shown in millimeters 2.90 BSC 5 4 2.80 BSC 1.60 BSC PIN 1 ...

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Revision History Location 4/03—Data Sheet changed from REV REV. B. Change to Figure ...

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–16– ...

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