OP15 Analog Devices, OP15 Datasheet

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OP15

Manufacturer Part Number
OP15
Description
Precision JFET-Input Operational Amplifiers
Manufacturer
Analog Devices
Datasheet

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a
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. No license is granted by implication or otherwise
under any patent or patent rights of Analog Devices.
REV. A
NONINVERTING
FEATURES
Significant Performance Advantages over LF155 and
Low Input Offset Voltages: 500 V Max
Low Input Offset Voltage Drift: 2.0 V/ C
Minimum Slew Rate Guaranteed on All Models
Temperature-Compensated Input Bias Currents
Bias Current Specified Warmed-Up Over Temperature
Internal Compensation
Low Input Noise Current: 0.01 pA/÷ ÷ ÷ ÷ ÷ Hz
High Common-Mode Rejection Ratio: 100 dB
Models with MIL-STD 883 Processing Available
OP15
156 Speed with 155 Dissipation: 80 mW Typ
Wide Bandwidth: 6 MHz
High Slew Rate: 13 V/ s
Fast Settling to ±0.1%: 1,200 ns
OP17
Highest Slew Rate: 60 V/ s
Fastest Settling to ±0.1%: 600 ns
Highest Gain Bandwidth Product (A
Guaranteed Input Bias Current @ 125 C
LF157 Devices
INPUT
V+
V–
J3
J1
R1
C1
7.4pF
Q5
J2
J4
R3
Q6
Q8
J5
–INV
INPUT
Q12
VCL
J11
Q7
NULL
R8*
= 5 Min): 30 MHz
Figure 1. Simplified Schematic
J8
R3
R4
Q11
Q1
NULL
R7*
R5
3.6k
Q16
Q3
Q9
Q13
Q16
GENERAL DESCRIPTION
The ADI-JFET input series of devices offer clear advantages over
industry-generic devices and are superior in both cost and perfor-
mance to many dielectrically-isolated and hybrid op amps. All devices
offer offset voltages as low as 0.5 mV with TCV
5 mV/HC. A unique input bias cancellation circuit reduces the I
by a factor 10 over conventional designs. In addition ADI specifies
I
These devices were designed to provide real precision performance
along with high speed. Although they can be nulled, the design
objective was to provide low offset-voltage without nulling. Systems
generally become more cost effective as the number of trim circuits
is decreased. ADI achieves this performance by use of an improved
bipolar compatible JFET process coupled with on chip, zener-zap
offset trimming.
The OP15 provides an excellent combinations of high speed and
low input offset voltage. In addition, the OP15 offers the speed
of the 156A op amp with the power dissipation of a 155A. The
combination of a low input offset voltage of 500 mV, slew rate of
13 V/ms, and settling time of 1,200 ns to 0.1% makes the OP15
an op amp of both precision and speed. The additional features
of low supply current coupled with an input bias current makes
the OP15 ideal for a wide range of applications.
The OP17 has a slew rate of 60 V/ms and is the best choice for
applications requiring high closed-loop gain with high speed. See
OP42 datasheet for unity gain applications and the OP215 datasheet
for a dual configuration of the OP15.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700
Fax: 781/326-8703
B
and I
Q4
J6
R2
OS
Q2
R6
3.6k
Q15
with the devices warmed up and operating at 25HC ambient.
C2
Q19
Q14
Operational Amplifiers
Q17
Precision JFET-Input
Q10
Q21
J9
Q24
Q20
J10
OP15/OP17
R13
© Analog Devices, Inc., 2002
*R7, R8 ARE ELECTRONICALLY
ADJUSTED ON CHIP FOR
MINIMUM OFFSET VOLTAGE.
Q23
R11
Q22
Q25
OS
www.analog.com
guaranteed to
OUTPUT
B

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OP15 Summary of contents

Page 1

... The combination of a low input offset voltage of 500 mV, slew rate of 13 V/ms, and settling time of 1,200 ns to 0.1% makes the OP15 an op amp of both precision and speed. The additional features = 5 Min): 30 MHz ...

Page 2

... Supply Current I OP15 SY OP17 2 Slew Rate OP15 VCL OP17 VCL 3 Gain Bandwidth GBW OP15 Product OP17 Closed-Loop CLBW OP15 VCL Bandwidth OP17 VCL Settling Time t S OP15 To 0.01% To 0.05% To 0.10% OP17 To 0.01% To 0.05% To 0.10% Input Voltage Range IVR = ± 10.5 V Common-Mode CMRR ± ...

Page 3

... for G grades A OP15F/OP17F OP15G/OP17G Min Typ Max Min Typ 0.55 1.5 0 0.06 0.45 0.08 0.08 0.80 0.10 0.06 0.45 0.08 0.10 1.1 0.15 ± ...

Page 4

... C, G Grades . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ± Input Voltage All Devices Except C, G Grades . . . . . . . . . . . . . . . . ± Grades . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ± Input Voltage OP15E, OP15F . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ± OP15G . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ± OP17A, OP17E, OP17F . . . . . . . . . . . . . . . . . . . . . . ± OP17G . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ± Output Short-Circuit Duration Storage Temperature Range . . . . . . . . . . . . –65HC to +150HC Lead Temperature Range (Soldering, 60 sec 300HC NOTES *Absolute Maximum Ratings apply to packaged parts, unless otherwise noted ...

Page 5

... TPC 4. Input Bias Current vs. Common-Mode Voltage 1M 500k 400k 300k 200k 100k FROM – –125 C 10k 15 20 TPC 5. Open-Loop Voltage Gain vs. Supply Voltage 10G TPC 6. Output Voltage Swing vs. Supply Voltage –5– OP15/OP17 WARMED-UP IN FREE AIR V = 15V UNDERCANCELLED I = +16pA @ PERFECTLY CANCELLED I = 0pA @ UNDERCANCELLED I = –16pA @ ...

Page 6

... AMBIENT TEMPERATURE – C TPC 9. Input Bias Current vs. Ambient Temperature (Units Warmed Up in Free Air 100p 10p 1M 0 TPC 10. OP15 Bias Current vs. Time in Free Air 1n 100p 10p 75 100 125 0 TPC 11. OP17 Bias Current vs. Time in Free Air 100n 10n OP15A MAXP 1n OP15 TYP ...

Page 7

... TPC 13. OP17 Input Bias Current vs. Ambient Temperature (Units Warmed Up in Free Air) 3.5 3.0 – 125 C 2.0 1 SUPPLY VOLTAGE – V TPC 14. OP15 Supply Current vs. Supply Voltage 5.5 5.0 4.5 – 4.0 125 C 3 SUPPLY VOLTAGE – V TPC 15. OP17 Supply Current vs. Supply Voltage REV ...

Page 8

... TPC 22. OP15 Maximum Output Swing vs. Frequency 100 125 TPC 23. OP15 Slew Rate vs. Temperature 100 V = 15V 10M 100M TPC 24. OP15 Common-Mode Rejection Ratio vs. Frequency –8– FREQUENCY – MHz V = 15V NEGATIVE POSITIVE –50 – AMBIENT TEMPERATURE – 100 1k 10k 100k 1M FREQUENCY – Hz ...

Page 9

... NEGATIVE SUPPLY 100 1k 10k FREQUENCY – Hz TPC 25. OP15 Power Supply Rejection Ratio vs. Frequency 100 V = 15V 100 10k 100k FREQUENCY – Hz TPC 26. OP15 Output Impedance vs. Frequency 140 V = 15V 120 100 80 60 l/f CORNER FREQUENCY 10k 100k FREQUENCY – Hz TPC 27. OP15 Voltage Noise Density vs. Frequency REV ...

Page 10

... OP15/OP17 100k 1M FREQUENCY – MHz TPC 31. OP17 Maximum Output Swing vs. Frequency 110 NEGATIVE 100 90 80 POSITIVE –50 – AMBIENT TEMPERATURE – C TPC 32. OP17 Slew Rate vs. Temperature 100 100 1k 10k 100k FREQUENCY – Hz TPC 33. OP17 Common-Mode Rejection Ration vs. Frequency 120 V = 15V 100 ...

Page 11

... OP15 5k 3 0.1% 4 –15V SUMMING 5k NODE 0.1% SCOPE 2N4416 2k Figure 4. OP15 Settling Time Test Circuit +10V R REF 5k REV. A 10V 100k 0V IS ADJUSTED OS APPLICATION INFORMATION Dynamic Operating Considerations As with most amplifiers, care should be taken with lead dress, 2N4416 component placement and supply decoupling in order to ensure 100pF stability ...

Page 12

... OP15/OP17 8-Lead Ceramic Dip – Glass Hermetic Seal [CERDIP] (Q-8) 0.13 (0.0051) 1.40 (0.0551) MIN MAX 8 5 7.87 (0.3089) PIN 1 5.59 (0.2201 2.54 (0.1000) BSC 10.29 (0.4051) MAX 1.52 (0.0600) 0.38 (0.0150) 5.08 (0.2000) MAX 3.81 (0.1500) 5.08 (0.2000) MIN 3.18 (0.1252) ...

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