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AD8592

Description
CMOS Single Supply Rail-to-Rail Input/Output Operational Amplifiers with Shutdown
File Size233KB,15 Pages
ManufacturerADI
Websitehttps://www.analog.com
Download Datasheet Download user manual Compare View All

AD8592 Overview

CMOS Single Supply Rail-to-Rail Input/Output Operational Amplifiers with Shutdown

a
CMOS Single Supply
Rail-to-Rail Input/Output
Operational Amplifiers with Shutdown
AD8591/AD8592/AD8594
PIN CONFIGURATIONS
6-Lead SOT
(RT Suffix)
OUT A 1
V
2
6
V
FEATURES
Single Supply Operation: +2.5 V to +6 V
High Output Current: 250 mA
Extremely Low Shutdown Supply Current: 100 nA
Low Supply Current: 750 A/Amp
Wide Bandwidth: 3 MHz
Slew Rate: 5 V/ s
No Phase Reversal
Very Low Input Bias Current
High Impedance Outputs When in Shutdown Mode
Unity Gain Stable
APPLICATIONS
Mobile Communication Handset Audio
PC Audio
PCMCIA/Modem Line Driving
Battery Powered Instrumentation
Data Acquisition
ASIC Input or Output Amplifier
LCD Display Reference Level Driver
GENERAL DESCRIPTION
AD8591
5 SD
4
IN A
IN A 3
10-Lead SOIC
(RM Suffix)
OUT A 1
–IN A
+IN A
V–
SDA
2
10 V+
9 OUT B
AD8592
3
4
5
(Not to Scale)
8
–IN B
7 +IN B
6 SDB
16-Lead Narrow SOIC
(R Suffix)
OUT A
1
IN A
2
IN A
3
V
4
16
OUT D
15
14
The AD8591, AD8592 and AD8594 are single, dual and quad
rail-to-rail input and output single supply amplifiers featuring
250 mA output drive current and a power saving shutdown
mode. The AD8592 includes an independent shutdown func-
tion for each amplifier. When both amplifiers are in shutdown
mode the total supply current is reduced to less than 1
µA.
The
AD8591 and AD8594 include a single master shutdown func-
tion that reduces total supply current to less than 1
µA.
All
amplifier outputs are in a high impedance state when in shut-
down mode.
These amplifiers have very low input bias currents, making them
suitable for integrators and diode amplification. Outputs are
stable with virtually any capacitive load. Supply current is less
than 750
µA
per amplifier in active mode.
Applications for these amplifiers include audio amplification for
portable computers, portable phone headsets, sound ports, sound
cards and set-top boxes. The AD859x family is capable of driving
heavy capacitive loads such as LCD panel reference levels.
The ability to swing rail-to-rail at both the input and output
enables designers to buffer CMOS DACs, ASICs and other
wide output swing devices in single supply systems.
The AD8591, AD8592 and AD8594 are specified over the indus-
trial (–40°C to +85°C) temperature range. The AD8591, single,
is available in the tiny 6-lead SOT package. The AD8592, dual, is
available in the 10-lead
µSOIC
surface mount package. The
AD8594, quad, is available in 16-lead narrow SOIC and 16-lead
TSSOP packages.
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.
IN D
IN D
AD8594
13
V
TOP VIEW
IN B
5
(Not to Scale)
12
IN B
6
OUT B
7
NC
8
11
IN C
IN C
10
OUT C
9
SD
NC = NO CONNECT
16-Lead TSSOP
(RU Suffix)
OUT A
IN A
IN A
V
IN B
IN B
OUT B
NC
1
16
OUT D
IN D
IN D
V
+IN C
IN C
OUT C
SD
AD8594
8
9
NC = NO CONNECT
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700
World Wide Web Site: http://www.analog.com
Fax: 781/326-8703
© Analog Devices, Inc., 1999

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