AD8597 Amp Datasheet

AD8597 Datasheet PDF, Equivalent


Part Number

AD8597

Description

Ultralow Noise Op Amp

Manufacture

Analog Devices

Total Page 20 Pages
PDF Download
Download AD8597 Datasheet PDF


AD8597
Data Sheet
Single and Dual, Ultralow
Distortion, Ultralow Noise Op Amps
AD8597/AD8599
FEATURES
Low noise: 1.1 nV/√Hz at 1 kHz
Low distortion: −120 dB THD at 1 kHz
Input noise, 0.1 Hz to 10 Hz: <76 nV p-p
Slew rate: 14 V/μs
Wide bandwidth: 10 MHz
Supply current: 4.8 mA/amp typical
Low offset voltage: 10 μV typical
CMRR: 120 dB
Unity-gain stable
±15 V operation
APPLICATIONS
Professional audio preamplifiers
ATE/precision testers
Imaging systems
Medical/physiological measurements
Precision detectors/instruments
Precision data conversion
PIN CONFIGURATIONS
NC 1
8 NC
–IN 2 AD8597 7 V+
+IN 3 TOP VIEW 6 OUT
V– 4 (Not to Scale) 5 NC
NC = NO CONNECT
Figure 1. AD8597 8-Lead SOIC (R-8)
NC 1
–IN 2
+IN 3
V– 4
PIN 1
INDICATOR
AD8597
TOP VIEW
8 NC
7 V+
6 OUT
5 NC
NOTES
1. NC = NO CONNECT.
2. IT IS RECOMMENDED THAT THE
EXPOSED PAD BE CONNECTED
TO V–.
Figure 2. AD8597 8-Lead LFCSP (CP-8-2)
GENERAL DESCRIPTION
The AD8597/AD8599 are very low noise, low distortion opera-
tional amplifiers ideal for use as preamplifiers. The low noise of
1.1 nV/√Hz and low harmonic distortion of −120 dB (or better)
at audio bandwidths give the AD8597/AD8599 the wide dynamic
range necessary for preamplifiers in audio, medical, and instru-
mentation applications. The excellent slew rate of 14 V/μs and
10 MHz gain bandwidth make them highly suitable for medical
applications. The low distortion and fast settling time make
them ideal for buffering of high resolution data converters.
OUT A 1
8 +V
–IN A 2 AD8599 7 OUT B
+IN A 3 TOP VIEW 6 –IN B
–V 4 (Not to Scale) 5 +IN B
Figure 3. AD8599 8-Lead SOIC (R-8)
The AD8597 is available in 8-lead SOIC and LFCSP packages,
while the AD8599 is available in an 8-lead SOIC package. They
are both specified over a −40°C to +125°C temperature range.
The AD8597 and AD8599 are members of a growing series of
low noise op amps offered by Analog Devices, Inc. (see Table 1).
Table 1. Low Noise Op Amps
Package 0.9 nV 1.1 nV 1.8 nV
Single AD797 AD8597 ADA4004-1
Dual AD8599 ADA4004-2
Quad
ADA4004-4
2.8 nV
AD8675
AD8676
3.8 nV
AD8671
AD8672
AD8674
Rev. E
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rights of third parties that may result from its use. Specifications subject to change without notice. No
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Technical Support
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AD8597
AD8597/AD8599
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications....................................................................................... 1
Pin Configurations ........................................................................... 1
General Description ......................................................................... 1
Revision History ............................................................................... 2
Specifications..................................................................................... 3
Absolute Maximum Ratings............................................................ 5
Thermal Resistance ...................................................................... 5
Power Sequencing ........................................................................ 5
REVISION HISTORY
10/13—Rev. D to Rev. E
Change to Figure 15 Caption .......................................................... 7
Changes to Figure 23 and Figure 26............................................... 9
Changes to Figure 30 and Figure 33............................................. 10
Changes to Figure 46 through Figure 50 ..................................... 13
Changes to Figure 53 and Figure 54............................................. 14
2/13—Rev. C to Rev. D
Changes to Figure 44...................................................................... 12
Changes to Figure 46 and Figure 49............................................. 13
12/09—Rev. B to Rev. C
Changes to Table 1............................................................................ 1
10/08—Rev. A to Rev. B
Added AD8597 ...................................................................Universal
Added LFCSP_VD .............................................................Universal
Added Table 1.................................................................................... 1
Changes to Specifications Section.................................................. 3
Changes to Absolute Maximum Ratings Section ......................... 5
Data Sheet
ESD Caution...................................................................................5
Typical Performance Characteristics ..............................................6
Functional Operation..................................................................... 15
Input Voltage Range................................................................... 15
Output Phase Reversal............................................................... 15
Noise and Source Impedance Considerations ........................... 15
Outline Dimensions ....................................................................... 17
Ordering Guide .......................................................................... 17
Changes to Typical Performance Characteristics Section ...........6
Added Figure 12 and Figure 15 .......................................................7
Added Figure 18 and Figure 19 .......................................................8
Added Figure 30 and Figure 33 .................................................... 10
Added Figure 34 to Figure 38 ....................................................... 11
Added Figure 42 and Figure 45 .................................................... 12
Added Figure 52, Figure 55, Figure 57 ........................................ 14
Added Functional Operation Section.......................................... 15
Added Figure 58 ............................................................................. 15
Updated Outline Dimensions....................................................... 17
Changes to Ordering Guide .......................................................... 17
4/07—Rev. 0 to Rev. A
Updated Layout .................................................................................5
Changes to Figure 45 Caption ...................................................... 12
Added Figure 48 ............................................................................. 12
Changes to Figure 51 Caption ...................................................... 13
2/07—Revision 0: Initial Version
Rev. E | Page 2 of 20


Features Data Sheet Single and Dual, Ultralow Di stortion, Ultralow Noise Op Amps AD8597 /AD8599 FEATURES Low noise: 1.1 nV/√ Hz at 1 kHz Low distortion: −120 dB T HD at 1 kHz Input noise, 0.1 Hz to 10 H z: <76 nV p-p Slew rate: 14 V/μs Wide bandwidth: 10 MHz Supply current: 4.8 m A/amp typical Low offset voltage: 10 μ V typical CMRR: 120 dB Unity-gain stabl e ±15 V operation APPLICATIONS Profess ional audio preamplifiers ATE/precision testers Imaging systems Medical/physio logical measurements Precision detector s/instruments Precision data conversion PIN CONFIGURATIONS NC 1 8 NC –IN 2 AD8597 7 V+ +IN 3 TOP VIEW 6 OUT V 4 (Not to Scale) 5 NC 06274-060 NC = NO CONNECT Figure 1. AD8597 8-Lead S OIC (R-8) NC 1 –IN 2 +IN 3 V– 4 P IN 1 INDICATOR AD8597 TOP VIEW 8 NC 7 V+ 6 OUT 5 NC 06274-061 NOTES 1. NC = NO CONNECT. 2. IT IS RECOMMENDED THAT THE EXPOSED PAD BE CONNECTED TO V–. F igure 2. AD8597 8-Lead LFCSP (CP-8-2) GENERAL DESCRIPTION The AD8597/AD8599 are very low noise, low distortion operati.
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