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ADA4610-4 Schematic ( PDF Datasheet ) - Analog Devices

Teilenummer ADA4610-4
Beschreibung JFET Dual/Quad Operational Amplifiers
Hersteller Analog Devices
Logo Analog Devices Logo 




Gesamt 25 Seiten
ADA4610-4 Datasheet, Funktion
Data Sheet
Low Noise, Precision, Rail-to-Rail Output,
JFET Single/Dual/Quad Op Amps
ADA4610-1/ADA4610-2/ADA4610-4
FEATURES
Low offset voltage
B grade: 0.4 mV maximum (ADA4610-1/ADA4610-2 only)
A grade: 1 mV maximum
Low offset voltage drift
B grade: 4 µV/°C maximum (ADA4610-1/ADA4610-2 only)
A grade: 8 µV/°C maximum (SOIC, MSOP, LFCSP packages)
Low input bias current: 5 pA typical
Dual-supply operation: ±5 V to ±15 V
Low voltage noise: 0.45 µV p-p at 0.1 Hz to 10 Hz
Voltage noise density: 7.30 nV/√Hz at f = 1 kHz
Low total harmonic distortion (THD) + noise: 0.00025%
No phase reversal
Rail-to-rail output
Unity-gain stable
APPLICATIONS
Instrumentation
Medical instruments
Multipole filters
Precision current measurement
Photodiode amplifiers
Sensors
Audio
GENERAL DESCRIPTION
The ADA4610-1/ADA4610-2/ADA4610-4 are precision JFET
amplifiers that feature low input noise voltage, current noise,
offset voltage, input bias current, and rail-to-rail output. The
ADA4610-1 is a single amplifier, the ADA4610-2 is a dual
amplifier, and the ADA4610-4 is a quad amplifier.
The combination of low offset, noise, and very low input bias
current makes these amplifiers especially suitable for high
impedance sensor amplification and precise current measurements
using shunts. With excellent dc precision, low noise, and fast
settling time, the ADA4610-1/ADA4610-2/ADA4610-4 provide
superior accuracy in medical instruments, electronic measurement,
and automated test equipment. Unlike many competitive
amplifiers, the ADA4610-1/ADA4610-2/ADA4610-4 maintain
fast settling performance with substantial capacitive loads. Unlike
many older JFET amplifiers, the ADA4610-1/ADA4610-2/
ADA4610-4 do not suffer from output phase reversal when input
voltages exceed the maximum common-mode voltage range.
The fast slew rate and great stability with capacitive loads make
the ADA4610-1/ADA4610-2/ADA4610-4 perfect fits for high
performance filters. Low input bias currents, low offset, and low
PIN CONFIGURATION
OUT A 1
8 V+
–IN A 2 ADA4610-2 7 OUT B
TOP VIEW
+IN A 3 (Not to Scale) 6 –IN B
V– 4
5 +IN B
Figure 1. ADA4610-2 8-Lead SOIC (R Suffix); for Additional Packages and
Models, See the Pin Configurations and Function Descriptions Section
noise result in a wide dynamic range for photodiode amplifier
circuits. Low noise and distortion, high output current, and
excellent speed make the ADA4610-1/ADA4610-2/ADA4610-4
great choices for audio applications.
The ADA4610-1/ADA4610-2/ADA4610-4 are specified over
the −40°C to +125°C extended industrial temperature range.
The ADA4610-1 is available in an 8-lead SOIC package and in a
5-lead SOT-23 package. The ADA4610-2 is available in 8-lead
SOIC, 8-lead MSOP, and 8-lead LFCSP packages. The ADA4610-4
is available in a 14-lead SOIC package and in a 16-lead LFCSP.
Table 1. Related Precision JFET Operational Amplifiers
Single
Dual
Quad
AD8510
AD8512
AD8513
AD8610
AD8620
Not applicable
AD820
AD822
AD824
ADA4627-1/ADA4637-1 Not applicable Not applicable
Not applicable
ADA4001-2
Not applicable
Rev. G
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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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One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700 ©2011–2016 Analog Devices, Inc. All rights reserved.
Technical Support
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ADA4610-4 Datasheet, Funktion
ADA4610-1/ADA4610-2/ADA4610-4
ABSOLUTE MAXIMUM RATINGS
Table 4.
Parameter
Supply Voltage
Input Voltage
Input Current1
Storage Temperature Range
Operating Temperature Range
Junction Temperature Range
Lead Temperature (Soldering, 10 sec)
Electrostatic Discharge (Human Body Model)2
Field Induced Charge Device Model (FICDM)3
Rating
±18 V
±VS
±10 mA
−65°C to +150°C
−40°C to +125°C
−65°C to +150°C
300°C
2500 V
1250 V
1 The input pins have clamp diodes connected to the power supply pins. Limit
the input current to 10 mA or less whenever input signals exceed the power
supply rail by 0.3 V.
2 ESDA/JEDEC JS-001-2011 applicable standard.
3 JESD22-C101 (ESD FICDM standard of JEDEC) applicable standard.
Stresses at or above those listed under Absolute Maximum
Ratings may cause permanent damage to the product. This is a
stress rating only; functional operation of the product at these
or any other conditions above those indicated in the operational
section of this specification is not implied. Operation beyond
the maximum operating conditions for extended periods may
affect product reliability.
Data Sheet
THERMAL RESISTANCE
Table 5. Thermal Resistance
Package Type
5-Lead SOT-23
8-Lead SOIC
8-Lead LFCSP
8-Lead MSOP
14-Lead SOIC
16-Lead LFCSP
θJA1
219.4
120
57
142
115
65
θJC
155.6
43
12
45
36
3.2
Unit
°C/W
°C/W
°C/W
°C/W
°C/W
°C/W
1 θJA is specified for worst-case conditions, that is, θJA is specified for a device
soldered in a circuit board for surface-mount packages.
ESD CAUTION
Rev. G | Page 6 of 25

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ADA4610-4 pdf, datenblatt
ADA4610-1/ADA4610-2/ADA4610-4
1
0.1
0.01
0.1
1 10
IOUT SOURCE (mA)
100
Figure 21. Dropout Voltage (V+ − VOUT) vs. IOUT Source, VSY = ±5 V
10
1
0.1
0.01
0.1
1 10
IOUT SINK (mA)
100
Figure 22. Dropout Voltage (VOUT − V−) vs. IOUT Sink, VSY = ±5 V
120 270
100
GAIN
80
225
180
60 135
40
PHASE
90
20 45
00
–20 –45
–40 –90
10 100 1k 10k 100k 1M 10M 100M
FREQUENCY (Hz)
Figure 23. Open-Loop Gain and Phase Margin vs. Frequency,
VSY = ±5 V, RL = 2 kΩ, VIN = 5 mV
Data Sheet
1
0.1
0.01
0.1 1 10 100
IOUT SOURCE (mA)
Figure 24. Dropout Voltage (V+ − VOUT) vs. IOUT Source, VSY = ±15 V
10
1
0.1
0.01
0.01
0.1 1
IOUT SINK (mA)
10
100
Figure 25. Dropout Voltage (VOUT − V−) vs. IOUT Sink, VSY = ±15 V
120 270
100 GAIN
80
225
180
60 135
40
PHASE
90
20 45
00
–20 –45
–40 –90
10 100 1k 10k 100k 1M 10M 100M
FREQUENCY (Hz)
Figure 26. Open-Loop Gain and Phase Margin vs. Frequency,
VSY = ±15 V, RL = 2 kΩ, VIN = 5 mV
Rev. G | Page 12 of 25

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