OP27GZ Analog Devices Inc, OP27GZ Datasheet

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OP27GZ

Manufacturer Part Number
OP27GZ
Description
Amplifier IC
Manufacturer
Analog Devices Inc
Datasheet

Specifications of OP27GZ

Peak Reflow Compatible (260 C)
No
Leaded Process Compatible
No
Amplifier Type
General Purpose
Number Of Circuits
1
Slew Rate
2.8 V/µs
Gain Bandwidth Product
8MHz
Current - Input Bias
15nA
Voltage - Input Offset
30µV
Voltage - Supply, Single/dual (±)
±4 V ~ 18 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Through Hole
Package / Case
8-DIP (0.300", 7.62mm)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Current - Supply
-
Output Type
-
Current - Output / Channel
-
-3db Bandwidth
-
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant, Contains lead / RoHS non-compliant

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FEATURES
Low noise: 80 nV p-p (0.1 Hz to 10 Hz), 3 nV/√Hz
Low drift: 0.2 μV/°C
High speed: 2.8 V/μs slew rate, 8 MHz gain bandwidth
Low V
Excellent CMRR: 126 dB at VCM of ±11 V
High open-loop gain: 1.8 million
Fits OP07, 5534A sockets
Available in die form
GENERAL DESCRIPTION
The OP27 precision operational amplifier combines the low
offset and drift of the
Offsets down to 25 μV and maximum drift of 0.6 μV/°C make
the OP27 ideal for precision instrumentation applications.
Exceptionally low noise, e
noise corner frequency of 2.7 Hz, and high gain (1.8 million),
allow accurate high-gain amplification of low-level signals.
A gain-bandwidth product of 8 MHz and a 2.8 V/μs slew rate
provide excellent dynamic accuracy in high speed, data-
acquisition systems.
A low input bias current of ±10 nA is achieved by use of a bias
current cancellation circuit. Over the military temperature
range, this circuit typically holds I
and 15 nA, respectively.
The output stage has good load driving capability. A guaranteed
swing of ±10 V into 600 Ω and low output distortion make the
OP27 an excellent choice for professional audio applications.
Rev. F
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.
OS
: 10 μV
NONINVERTING
INVERTING
INPUT (+)
INPUT (–)
1
R1 AND R2 ARE PERMANENTLY
ADJUSTED AT WAFER TEST FOR
MINIMUM OFFSET VOLTAGE
OP07
n
= 3.5 nV/√Hz, at 10 Hz, a low 1/f
with both high speed and low noise.
B
Q6
and I
Q3
Q1A
R1
R3
OS
1
(Continued on Page 3)
to ±20 nA
Q1B
V
1
OS
FUNCTIONAL BLOCK DIAGRAM
ADJ.
8
Q2B
.
Q2A
R4
R2
1
Q11
Figure 3.
Q21
Q12
Q27
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
Fax: 781.461.3113
Q23
C2
R23
R5
R24
Figure 2. 8-Lead CERDIP – Glass Hermetic Seal (Z-Suffix),
Q24
Q28
Q22
C3
V
OS
PIN CONFIGURATIONS
Operational Amplifier
–IN 2
TRIM
Figure 1. 8-Lead TO-99 (J-Suffix)
R9
R12
BAL 1
Low Noise, Precision
+IN
–IN
+IN 3
V–
C1
C4
8-Lead PDIP (P-Suffix),
NC = NO CONNECT
NC = NO CONNECT
©2006 Analog Devices, Inc. All rights reserved.
1
2
3
4
8-Lead SO (S-Suffix)
Q26
4V– (CASE)
Q20
OP27
OP27
BAL
Q19
8
7
6
5
NC
V+
Q46
Q45
V
V+
OUT
NC
OUT
OS
TRIM
V+
V–
OUTPUT
www.analog.com
OP27

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OP27GZ Summary of contents

Page 1

FEATURES Low noise p-p (0 Hz), 3 nV/√Hz Low drift: 0.2 μV/°C High speed: 2.8 V/μs slew rate, 8 MHz gain bandwidth Low μV OS Excellent CMRR: 126 dB at VCM of ...

Page 2

OP27 TABLE OF CONTENTS Features .............................................................................................. 1 General Description ......................................................................... 1 Pin Configurations ........................................................................... 1 Functional Block Diagram .............................................................. 1 Revision History ............................................................................... 2 Specifications..................................................................................... 4 Electrical Characteristics............................................................. 4 Typical Electrical Characteristics ............................................... 6 Absolute Maximum Ratings............................................................ 7 Thermal Resistance ...

Page 3

GENERAL DESCRIPTION (Continued from Page 1) PSRR and CMRR exceed 120 dB. These characteristics, coupled with long-term drift of 0.2 μV/month, allow the circuit designer to achieve performance levels previously attained only by discrete designs. Low cost, high volume production ...

Page 4

OP27 SPECIFICATIONS ELECTRICAL CHARACTERISTICS V = ± 25°C, unless otherwise noted Table 1. Parameter 1 INPUT OFFSET VOLTAGE 2, 3 LONG-TERM V STABILITY OS INPUT OFFSET CURRENT INPUT BIAS CURRENT 3, 4 INPUT NOISE VOLTAGE ...

Page 5

V = ±15 V, −55°C ≤ T ≤ 125°C, unless otherwise noted Table 2. Parameter INPUT OFFSET VOLTAGE 1 AVERAGE INPUT OFFSET DRIFT INPUT OFFSET CURRENT INPUT BIAS CURRENT INPUT VOLTAGE RANGE COMMON-MODE REJECTION RATIO POWER SUPPLY REJECTION ...

Page 6

OP27 TYPICAL ELECTRICAL CHARACTERISTICS V = ± 25°C unless otherwise noted Table 4. Parameter AVERAGE INPUT OFFSET VOLTAGE DRIFT AVERAGE INPUT OFFSET CURRENT DRIFT AVERAGE INPUT BIAS CURRENT DRIFT INPUT NOISE VOLTAGE DENSITY INPUT NOISE ...

Page 7

ABSOLUTE MAXIMUM RATINGS Table 5. Parameter Supply Voltage 1 Input Voltage Output Short-Circuit Duration 2 Differential Input Voltage 2 Differential Input Current Storage Temperature Range Operating Temperature Range OP27A (J, Z) OP27E OP27E, (P) OP27G ( ...

Page 8

OP27 TYPICAL PERFORMANCE CHARACTERISTICS 100 TEST TIME OF 10sec FURTHER LIMITS LOW FREQUENCY 40 (<0.1Hz) GAIN 30 0.01 0.1 1 FREQUENCY (Hz) Figure 4. 0 p-p Noise Tester Frequency Response 10 ...

Page 9

T = 25° 10Hz 3 AT 1kHz TOTAL SUPPLY VOLTAGE, V+ – V–, (V) Figure 10. Voltage Noise Density vs. Supply Voltage 10.0 1.0 I/F CORNER = 140Hz 0.1 10 ...

Page 10

OP27 70° 25° THERMAL SHOCK RESPONSE 10 BAND 5 DEVICE IMMERSED IN 70°C OIL BATH 0 – TIME (Sec) Figure 16. Offset Voltage Change Due to Thermal ...

Page 11

T = 25° 2kΩ 1kΩ L 1.0 0 TOTAL SUPPLY VOLTAGE (V) Figure 22. Open-Loop Voltage Gain vs. Supply Voltage ...

Page 12

OP27 25° 15V (+) (– TIME FROM OUTPUT SHORTED TO GROUND (Min) Figure 28. Short-Circuit Current vs. Time 140 120 ...

Page 13

NEGATIVE SWING 80 60 POSITIVE SWING 100 1k 10k 100k 1M FREQUENCY (Hz) Figure 34. PSRR vs. Frequency = 25 ° 10M 100M Rev Page 13 ...

Page 14

OP27 APPLICATION INFORMATION OP27 series units can be inserted directly into with or without removal of external compensation or nulling components. Additionally, the OP27 can be fitted to unnulled AD741-type sockets; however, if conventional circuitry is in use, it should ...

Page 15

COMMENTS ON NOISE The OP27 is a very low noise, monolithic op amp. The out- standing input voltage noise characteristics of the OP27 are achieved mainly by operating the input stage at a high quiescent current. The input bias and ...

Page 16

OP27 For reference, typical source resistances of some signal sources are listed in Table 7. Table 7. Source Device Impedance Comments Strain Gauge <500 Ω Typically used in low frequency applications. Magnetic <1500 Ω Low is very important to reduce ...

Page 17

OP27 TAPE – HEAD R1 33kΩ R2 0.01µF 5kΩ 10Ω Figure 42. Tape Head Preamplifier While the tape equalization requirement has a flat high frequency gain above 3 kHz ( μs), the amplifier ...

Page 18

OP27 Capacitor C2 and Resistor R2 form a 2 μs time constant in this circuit, as recommended for optimum transient response by the transformer manufacturer. With C2 in use, A1 must have unity- gain stability. For situations where the 2 ...

Page 19

OUTLINE DIMENSIONS 0.400 (10.16) 0.365 (9.27) 0.355 (9.02 0.280 (7.11) 0.250 (6.35) 1 0.240 (6.10) 4 PIN 1 0.100 (2.54) BSC 0.060 (1.52) 0.210 MAX (5.33) MAX 0.015 0.150 (3.81) (0.38) 0.015 (0.38) MIN GAUGE 0.130 (3.30) PLANE ...

Page 20

... OP27GJ –40° to +85°C OP27AZ –55° to +125°C OP27AZ/883C –55° to +125°C OP27EZ –25° to +85°C OP27GZ –40° to +85°C OP27EP 0° to +70°C OP27EPZ 1 0° to +70°C OP27GP –40° to +85°C ...

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