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AD8692 Schematic ( PDF Datasheet ) - Analog Devices

Teilenummer AD8692
Beschreibung RRO Operational Amplifiers
Hersteller Analog Devices
Logo Analog Devices Logo 




Gesamt 16 Seiten
AD8692 Datasheet, Funktion
Data Sheet
FEATURES
Offset voltage: 400 µV typical
Low offset voltage drift: 6 µV/°C maximum (AD8692/AD8694)
Very low input bias currents: 1 pA maximum
Low noise: 8 nV/√Hz
Low distortion: 0.0006%
Wide bandwidth: 10 MHz
Unity-gain stable
Single-supply operation: 2.7 V to 6 V
Qualified for automotive applications
APPLICATIONS
Photodiode amplification
Battery-powered instrumentation
Medical instruments
Multipole filters
Sensors
Portable audio devices
GENERAL DESCRIPTION
The AD8691, AD8692, and AD8694 are low cost, single, dual,
and quad rail-to-rail output, single-supply amplifiers featuring
low offset and input voltages, low current noise, and wide signal
bandwidth. The combination of low offset, low noise, very low
input bias currents, and high speed make these amplifiers useful
in a wide variety of applications. Filters, integrators, photodiode
amplifiers, and high impedance sensors all benefit from this
combination of performance features. Audio and other ac
applications benefit from the wide bandwidth and low
distortion of these devices.
Applications for these amplifiers include power amplifier (PA)
controls, laser diode control loops, portable and loop-powered
instrumentation, audio amplification for portable devices, and
ASIC input and output amplifiers.
The small SC70 and TSOT package options for the AD8691
allow it to be placed next to sensors, thereby reducing external
noise pickup.
The AD8691, AD8692, and AD8694 are specified over the
extended industrial temperature range of −40°C to +125°C.
The AD8691 single is available in 5-lead SC70 and 5-lead TSOT
packages. The AD8692 dual is available in 8-lead MSOP and
narrow SOIC surface-mount packages. The AD8694 quad is
available in 14-lead TSSOP and narrow 14-lead SOIC packages.
See the Ordering Guide section for automotive grades.
Low Cost, Low Noise, CMOS,
RRO Operational Amplifiers
AD8691/AD8692/AD8694
PIN CONFIGURATIONS
OUT 1
5 V+
AD8691
V– 2 TOP VIEW
(Not to Scale)
+IN 3
4 –IN
Figure 1. 5-Lead TSOT
AD8691
OUT A 1
5 V+
V– 2
+IN A 3
4 –IN
Figure 2. 5-Lead SC70
AD8692
OUT A 1
–IN A 2
+IN A 3
V– 4
8 V+
7 OUT B
6 –IN B
5 +IN B
TOP VIEW
(Not to Scale)
Figure 3. 8-Lead SOIC and 8-Lead MSOP
OUT A 1
–IN A 2
+IN A 3
V+ 4
+IN B 5
–IN B 6
OUT B 7
14 OUT D
AD8694
TOP VIEW
(Not to Scale)
13 –IN D
12 +IN D
11 V–
10 +IN C
9 –IN C
8 OUT C
Figure 4. 14-Lead SOIC and 14-Lead TSSOP
Rev. F
Document Feedback
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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. Specifications subject to change without notice. No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700 ©2004–2013 Analog Devices, Inc. All rights reserved.
Technical Support
www.analog.com






AD8692 Datasheet, Funktion
AD8691/AD8692/AD8694
TYPICAL PERFORMANCE CHARACTERISTICS
VS = +5 V or ±2.5 V, unless otherwise noted.
2500
2000
VS = 5V
VCM = –0.3V TO +3.9V
1500
1000
500
0
–2.0 –1.5 –1.0 –0.5
0
0.5 1.0 1.5 2.0
VOS (mV)
Figure 5. Input Offset Voltage Distribution
30
VS = 5V AND 2.7V
VCM = 2.5V
25 TA = –40°C TO +125°C
20
15
10
5
0
0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5 7.0 7.5 8.0
TCVOS (µV/°C)
Figure 6. AD8692/AD8694 Input Offset Voltage Drift Distribution
2000
1600
1200
VS = 5V
TA = 25°C
800
400
0
–400
–800
–1200
–1600
–2000
–0.3 0 0.3 0.6 0.9 1.2 1.5 1.8 2.1 2.4 2.7 3.0 3.3 3.6 3.9
COMMON-MODE VOLTAGE (V)
Figure 7. Input Offset Voltage vs. Common-Mode Voltage
Data Sheet
300
VS = 5V AND 2.7V
250
200
150
100
50
0
–50
–40 –30 –20 –10 0 10 20 30 40 50 60 70 80 90 100 110 120
TEMPERATURE (°C)
Figure 8. Input Bias Current vs. Temperature
1.0
0.8
0.6
0.4
0.2
0
0123456
VS (V)
Figure 9. Supply Current vs. Supply Voltage
2.5
VS = ±2.5V AND ±1.35V
2.0
1.5
ISY @ ±2.5V
ISY @ ±1.35V
7
1.0
0.5
0
–40 –20
0
20 40 60 80 100 120 140
TEMPERATURE (°C)
Figure 10. Supply Current vs. Temperature
Rev. F | Page 6 of 16

6 Page









AD8692 pdf, datenblatt
AD8691/AD8692/AD8694
2.20
2.00
1.80
1.35 5
4 2.40
1.25 2.10
1.15
123
1.80
0.65 BSC
1.00
0.90
0.70
1.10 0.40
0.80 0.10
0.10 MAX
COPLANARITY
0.10
0.30
0.15
SEATING
PLANE
0.22
0.08
0.46
0.36
0.26
COMPLIANT TO JEDEC STANDARDS MO-203-AA
Figure 34. 5-Lead Thin Shrink Small Outline Package [SC70]
(KS-5)
Dimensions shown in millimeters
2.90 BSC
1.60 BSC
54
2.80 BSC
12 3
*0.90 MAX
0.70 MIN
1.90
BSC
0.95 BSC
0.10 MAX
*1.00 MAX
0.20
0.08
0.50
SEATING
0.30
PLANE
0.60
0.45
0.30
*COMPLIANT TO JEDEC STANDARDS MO-193-AB WITH
THE EXCEPTION OF PACKAGE HEIGHT AND THICKNESS.
Figure 35. 5-Lead Thin Small Outline Transistor Package [TSOT]
(UJ-5)
Dimensions shown in millimeters
Data Sheet
Rev. F | Page 12 of 16

12 Page





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