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Low Cost JFET Input
Operational Amplifiers
ADTL082/ADTL084
FEATURES
TL082/TL084 compatible
Low input bias current: 10 pA maximum
Offset voltage
5.5 mV maximum (ADTL082A/ADTL084A)
9 mV maximum (ADTL082J/ADTL084J)
±15 V operation
Low noise: 16 nV/√Hz
Wide bandwidth: 5 MHz
Slew rate: 20 V/μs
CMRR: 80 dB minimum
Total harmonic distortion: 0.001%
Supply current: 1.2 mA typical
Unity-gain stable
PIN CONFIGURATIONS
OUT A
1
–IN A
2
+IN A
3
–V
4
8
+V
OUT B
+IN B
06275-001
ADTL082J
TOP VIEW
(Not to Scale)
7
6
5
–IN B
Figure 1. 8-Lead SOIC_N (R-8)
OUT A
1
–IN A
2
+IN A
3
–V
4
8
ADTL082A
TOP VIEW
(Not to Scale)
+V
OUT B
+IN B
06275-002
06275-004
7
6
5
–IN B
Figure 2. 8-Lead MSOP (RM-8)
OUT A
1
–IN A
2
+IN A
3
+V
4
14
13
OUT D
–IN D
+IN D
APPLICATIONS
General-purpose amplification
Power control and monitoring
Active filters
Industrial/process control
Data acquisition
Sample and hold circuits
Integrators
Input buffering
ADTL084J
12
TOP VIEW
11
–V
(Not to Scale)
10
+IN C
+IN B
5
OUT B
7
8
OUT C
Figure 3. 14-Lead SOIC_N (R-14)
OUT A
1
–IN A
2
+IN A
3
+V
4
+IN B
5
–IN B
6
OUT B
7
14
13
OUT D
–IN D
+IN D
–V
+IN C
–IN C
OUT C
ADTL084A
TOP VIEW
(Not to Scale)
12
11
10
9
8
Figure 4. 14-Lead TSSOP (RU-14)
GENERAL DESCRIPTION
The ADTL082 and ADTL084 are JFET input amplifiers that
provide industry-leading performance over TL08x devices.
The ADTL082A and ADTL084A are improved versions of
TL08x A, I, and Q grades. The ADTL082J and ADTL084J are
industry alternatives to the TL08x standard and C grades.
The ADTL08x family offers lower noise, offset voltage, offset
drift over temperature, and bias current over the TL08x. In
addition, the ADLT08x family has better common-mode
rejection and slew rates.
These op amps are ideal for various applications, including
process control, industrial and instrumentation equipment,
active filtering, data conversion, buffering, and power control
and monitoring.
The A grade amplifiers are available in lead-free packaging. The
standard grade amplifiers are available in both leaded and lead-
free packaging.
The ADTL082A and ADTL084A are specified over the extended
industrial (−40°C to +125°C) temperature range. The ADTL082J
and ADTL084J are specified over the commercial (0°C to 70°C)
temperature range.
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. Specifications subject to change without notice. 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 owners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
www.analog.com
Fax: 781.461.3113
©2007 Analog Devices, Inc. All rights reserved.
06275-003
–IN B
6
9
–IN C
ADTL082/ADTL084
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications....................................................................................... 1
Pin Configurations ........................................................................... 1
General Description ......................................................................... 1
Revision History ............................................................................... 2
Specifications..................................................................................... 3
Absolute Maximum Ratings............................................................ 4
Thermal Resistance .......................................................................4
Power Sequencing .........................................................................4
ESD Caution...................................................................................4
Typical Performance Characteristics ..............................................5
Outline Dimensions ..........................................................................8
Ordering Guide .......................................................................... 10
REVISION HISTORY
11/07—Rev. A to Rev. B
Changes to Ordering Guide .......................................................... 10
4/07—Rev. 0 to Rev. A
Changes to Table 1............................................................................ 3
1/07—Revision 0: Initial Version
Rev. B | Page 2 of 12
ADTL082/ADTL084
SPECIFICATIONS
V
CC
= ±15 V, V
CM
= 0 V, T
A
= 25°C, over all grades, unless otherwise noted.
Table 1.
Parameter
INPUT CHARACTERISTICS
Offset Voltage
Symbol
V
OS
0°C ≤ T
A
≤ +70°C
−40°C ≤ T
A
≤ +125°C
0°C ≤ T
A
≤ +70°C
−40°C ≤ T
A
≤ +125°C
0°C ≤ T
A
≤ +70°C
−40°C ≤ T
A
≤ +125°C
Input Offset Current
I
OS
0°C ≤ T
A
≤ 70°C
−40°C ≤ T
A
≤ +125°C
Input Voltage Range
Common-Mode Rejection Ratio
Input Impedance
Large Signal Voltage Gain
V
CM
CMRR
R
IN
A
VO
V
CM
= −11 V to +15 V
R
L
= 2 kΩ,
V
O
= −10 V to +10 V
0°C ≤ T
A
≤ 70°C
−40°C ≤ T
A
≤ +125°C
R
L
= 10 kΩ
0°C ≤ T
A
≤ +70°C
−40°C ≤ T
A
≤ +125°C
R
L
= 2 kΩ
0°C ≤ T
A
≤ +70°C
−40°C ≤ T
A
≤ +125°C
−11
80
100
90
86
10
12
200
200
2
Conditions
Min
J Grade
Typ
Max
2
9
10
Min
A Grade
Typ
Max
1.5
5.5
8
9
Unit
mV
mV
mV
μV/°C
μV/°C
pA
nA
nA
pA
nA
nA
V
dB
Ω
V/mV
V/mV
V/mV
V
V
V
V
V
V
mA
dB
mA
mA
mA
V/μs
MHz
Degrees
%
dB
nV/√Hz
Offset Voltage Drift
Input Bias Current
ΔV
OS
/ΔT
I
B
15
2
100
3
100
3
+15
−11
80
100
90
50
±13
±13
±13
±12.5
±12
±12
10
2
100
3
5
100
3
5
+15
2
86
10
12
200
200
200
±13.5
OUTPUT CHARACTERISTICS
Maximum Output Voltage Swing
V
O
±12
±12
±13.5
±13.3
±10
±27
Short-Circuit Output Current
POWER SUPPLY
Power Supply Rejection Ratio
Supply Current per Amplifier
I
SC
PSRR
I
SY
V
DD
= 8 V to 36 V
0°C ≤ T
A
≤ +70°C
−40°C ≤ T
A
≤ +125°C
80
±27
80
1.8
1.9
86
1.2
86
1.2
1.8
1.9
2.0
DYNAMIC PERFORMANCE
Slew Rate
Gain Bandwidth Product
Phase Margin
Total Harmonic Distortion
Channel Separation
NOISE PERFORMANCE
Voltage Noise Density
SR
GBP
φ
M
THD
CS
e
n
V
IN
= 6 V rms, f = 1 kHz,
A
V
= +1, R
L
= 2 kΩ
f = 10 kHz
f = 1 kHz
20
5
63
0.001
120
16
20
5
63
0.001
120
16
Rev. B | Page 3 of 12
ADTL082/ADTL084
ABSOLUTE MAXIMUM RATINGS
Table 2.
Parameter
Supply Voltage
Input Voltage
Differential Input Voltage
Output Short Circuit to GND
Storage Temperature Range
Operating Temperature Range
Lead Temperature (Soldering 60 sec)
Junction Temperature
Rating
±18 V or +36 V
±V supply
±V supply
Indefinite
−65°C to +150°C
−40°C to +125°C
300°C
150°C
THERMAL RESISTANCE
Table 3. Thermal Resistance
Package Type
8-Lead SOIC_N (R-8)
8-Lead MSOP (RM-8)
14-Lead SOIC_N (R-14)
14-Lead TSSOP (RU-14)
θ
JA
158
210
120
180
θ
JC
43
45
36
35
Unit
°C/W
°C/W
°C/W
°C/W
POWER SEQUENCING
The op amp supplies must be established simultaneously with,
or before, the application of any input signals.
If this is not possible, the input current must be limited to 10 mA.
Stresses above those listed under Absolute Maximum Ratings
may cause permanent damage to the device. This is a stress
rating only; functional operation of the device at these or any
other conditions above those indicated in the operational
section of this specification is not implied. Exposure to absolute
maximum rating conditions for extended periods may affect
device reliability.
ESD CAUTION
Rev. B | Page 4 of 12
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