OP282 Analog Devices, OP282 Datasheet

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OP282

Manufacturer Part Number
OP282
Description
Dual/Quad Low Power, High Speed JFET Operational Amplifiers
Manufacturer
Analog Devices
Datasheet

Specifications of OP282

Vcc-vee
9V to 36V
Isy Per Amplifier
250µA
Packages
SOIC
-3db Bandwidth
4MHz
Slew Rate
9V/µs
Vos
200µV
Ib
3pA
# Opamps Per Pkg
2
Input Noise (nv/rthz)
36nV/rtHz

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a
GENERAL DESCRIPTION
The OP282/OP482 dual and quad operational amplifiers feature
excellent speed at exceptionally low supply currents. Slew rate
exceeds 7 V/ s with supply current under 250 A per amplifier.
These unity gain stable amplifiers have a typical gain bandwidth
of 4 MHz.
The JFET input stage of the OP282/OP482 insures bias current
is typically a few picoamps and below 500 pA over the full
temperature range. Offset voltage is under 3 mV for the dual
and under 4 mV for the quad.
With a wide output swing, within 1.5 volts of each supply, low
power consumption and high slew rate, the OP282/OP482 are
ideal for battery-powered systems or power restricted applica-
tions. An input common-mode range that includes the positive
supply makes the OP282/OP482 an excellent choice for high-
side signal conditioning.
The OP282/OP482 are specified over the extended industrial
temperature range. Both dual and quad amplifiers are available
in plastic and ceramic DIP plus SOIC surface mount packages.
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
which may result from its use. No license is granted by implication or
otherwise under any patent or patent rights of Analog Devices.
FEATURES
High Slew Rate: 9 V/ s
Wide Bandwidth: 4 MHz
Low Supply Current: 250 A/Amplifier
Low Offset Voltage: 3 mV
Low Bias Current: 100 pA
Fast Settling Time
Common-Mode Range Includes V+
Unity Gain Stable
APPLICATIONS
Active Filters
Fast Amplifiers
Integrators
Supply Current Monitoring
Dual/Quad Low Power, High Speed
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 617/329-4700
8-Lead Narrow-Body SOIC
OUT A
OUT B
–IN A
+IN A
+IN B
–IN B
OUT A
+IN A
–IN A
V+
14-Lead Epoxy DIP
V–
1
2
3
4
5
6
7
JFET Operational Amplifiers
1
2
3
4
(P Suffix)
(S Suffix)
OP282
OP482
PIN CONNECTIONS
8
7
5
6
+IN B
OUT B
–IN B
12
V+
14
13
11
10
9
8
–IN D
OUT D
+IN D
V–
+IN C
–IN C
OUT C
OUT A
OP282/OP482
–IN A
+IN A
14-Lead Narrow-Body SOIC
V–
OUT A
OUT B
–IN A
+IN A
+IN B
–IN B
8-Lead Epoxy DIP
2
3
V+
1
4
1
4
7
2
3
5
6
OP-482
(P Suffix)
(S Suffix)
OP282
OP482
Fax: 617/326-8703
8
7
5
6
14
13
12
11
10
9
8
V+
+IN B
OUT B
–IN B
OUT B
+IN D
V–
+IN C
–IN C
OUT C
–IN D

Related parts for OP282

OP282 Summary of contents

Page 1

... V/ s with supply current under 250 A per amplifier. These unity gain stable amplifiers have a typical gain bandwidth of 4 MHz. The JFET input stage of the OP282/OP482 insures bias current is typically a few picoamps and below 500 pA over the full temperature range. Offset voltage is under 3 mV for the dual and under 4 mV for the quad ...

Page 2

... Electrical tests and wafer probe to the limits shown. Due to variations in assembly methods and normal yield loss, yield after packaging is not guaranteed for standard product dice. Consult factory to negotiate specifications based on dice lot qualifications through sample lot assembly and testing. 1 Guaranteed by CMR test. Specifications subject to change without notice 15 +25 C unless otherwise noted Conditions OP282 OS OP282, – OP482 OS OP482, – ...

Page 3

... V Output Short-Circuit Duration . . . . . . . . . . . . . . . . Indefinite Storage Temperature Range P, S Packages . . . . . . . . . . . . . . . . . . . . . . – +150 C Operating Temperature Range OP282A, OP482A . . . . . . . . . . . . . . . . . . – +125 C OP282G, OP482G . . . . . . . . . . . . . . . . . . . – +85 C Junction Temperature Range P, S Packages . . . . . . . . . . . . . . . . . . . . . . – +125 C Lead Temperature Range (Soldering, 60 sec +300 C 2 Package Type ...

Page 4

... This limits the amount of current through the forward- biased diode and prevents the shutting down of the output stage. For the OP282/OP482, a value of 200 k has been found to work. However, this adds a significant amount of noise. +15 V) ...

Page 5

... Note that the digital value of the DAC is in the numerator, therefore zero code is not a valid operating point 1/4 DAC8408 1/4 1/4 OP482 HIGH PASS DAC8408 1/4 1/4 OP482 OP482 Figure 3. –5– OP282/OP482 256 The gain equation is Gain R 256 5 R 256 ...

Page 6

... OP282/OP482 OP282/OP482 SPICE MACRO MODEL Figure 4 shows the OP282 SPICE macro model. The model for the OP482 is similar to that of the OP282, but there are some IN- 2 CIN IOS 1 IN R23 G15 C15 98 50 minor changes in the circuit values. Contact ADI for a copy of the latest SPICE model diskette for both listings ...

Page 7

... OP282 SPICE MACRO MODEL * Node assignments * noninverting input * inverting input * positive supply * * * .SUBCKT OP282 INPUT STAGE & POLE AT 15 MHZ * 5E11 5E11 3871 3871.3 CIN 1 2 5E- 1.37E- 0.1E-3 IOS 1 2 5E-13 EOS 7 1 POLY( 200E EREF GAIN STAGE & POLE AT 124 HZ ...

Page 8

... Figure 11. Small Signal Overshoot vs. Load Capacitance 1000 V = ±15V 100 10 1.0 0 100 125 –50 –25 TEMPERATURE – °C Figure 12. OP282 Input Bias Current vs. Temperature 1000 V = ±15V S ° + 100 10 1 0.1 –15 –10 – COMMON - MODE VOLTAGE – V Figure 13. OP282 Input Bias Current vs. Common-Mode Voltage REV. B ...

Page 9

... Figure 20. OP482 Closed-Loop Out- put Impedance vs. Frequency 100 V = ±15V 100mV + PSRR ° + – PSRR –20 100 1k 10k 100k 1M FREQUENCY – Hz Figure 21. OP282 Power Supply Rejection Ratio (PSRR) vs. Frequency 100 V = ±15V 100mV CM ° + –20 100 1k 10k 100k 1M FREQUENCY – Hz Figure 22. OP282 Common-Mode ...

Page 10

... V – µV OS Figure 29. OP482 V Distribution “Z” OS Package 320 280 240 200 160 120 TCV – µV/°C OS Figure 25. OP282 TCV ( Distribution "P" Package 320 280 240 200 160 120 TCV – µV/°C OS Figure 26. OP282 TCV ( Distribution "Z" Package ° ...

Page 11

... Narrow-Body SOIC (S Suffix) 14-Lead Narrow-Body SOIC (S Suffix) REV. B OUTLINE DIMENSIONS Dimensions shown in inches and (mm). 20-Position Chip Carrier (RC Suffix) –11– OP282/OP482 8-Lead Epoxy DIP (P Suffix) 14-Lead Epoxy DIP (P Suffix) ...

Page 12

REV. B ...

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