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OP27FJADN/a3avaiLOW NOISE, PRECISION OPERATIONAL AMPLIFIER
OP-27GP |OP27GPMOTOROLAN/a9avaiLOW NOISE, PRECISION OPERATIONAL AMPLIFIER
OP-27GZ |OP27GZMOTN/a266avaiLOW NOISE, PRECISION OPERATIONAL AMPLIFIER


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OP27FJ-OP-27GP-OP-27GZ
LOW NOISE, PRECISION OPERATIONAL AMPLIFIER
ANALOG
DEVICES
Low Noise, Precision
Operational Amplifier
FEATURES
. Low Noise .................... 8°"Vp-p (0.1 Hz to 10Hz)
.......................................... 3nWv/ Hz
. Low Drift .................................. 0.2pV/''C
0 High Speed ........................ 2.8V/ps Slew Rate
............................... 8MHz Gain Bandwidth
q LOW Vos ....................................... lov
q Excellent CMRR ............... 126dB at Kar of i11V
. High Open-Loop Gain ..................... 1.8 Million
0 Fits 725, OP-07, OP-05, A0510, A0517, 5534A sockets
q Available in Die Form.
ORDERING INFORMATION'
PACKAGE
T A = +25°c OPERATING
vos MAX CERDIP PLASTIC LCC TEMPERATURE
(WV) TO-99 8-PIN 8-PiN 20-CONTACT RANGE
25 OP27AJ' 0P27AZ' - - MIL
25 OP27EJ OP27EZ OP27EP - IND/COM
60 OP27BJ’ OP27BZ‘ - OP27BR/883 MIL
60 OP27FJ OP27FZ OP27FP - IND/COM
100 OP27CJ OP27CZ - - MIL
100 OP27GJ OP27GZ OP27GP - XIND
100 - _ OP27GStt - XIND
For devices processed in total compliance to MIL-STD-883, add (883 after part
number. Consult factory for 883 data sheet.
Burn-In is available on commercial and Industrial temperature range parts in
CerDIP, plastic DIP, and TO-can packages.
For availability and burn-in information on SO and PLCC packages, contact
your local sales oifice.
GENERAL DESCRIPTION
The OP-27 precision operational amplifier combines the low
offset and drift of the OP-O7 with both high speed and low
noise. Offsets down to 25p1/ and drift of 0.6pV/" C maximum
make the OP-27 ideal for precision instrumentation applica-
signals. A gain-bandwidth product of 8MHz and a 2.8V/pSec
slew rate provides excellent dynamic accuracy in high-speed
data-acquisition systems.
A low input bias current of t10nA is achieved by use of a
bias-current-cancellation circiiit. Over the military temper-
ature range, this circuit typically holds les and los to i20nA
and 15nA respectively.
The output stage has good load driving capability. A guaran-
teed swing ofi10V into 6000 and low outputdistortion make
the OP-27 an excellent choice for professional audio applica-
tions.
PSRR and CMRR exceed 120dB. These ttharattteristitts,
coupled with Iong-term drift of0.2pV/month,allowthecirduit
designer to achieve performance levels previously attained
only by discrete designs.
PIN CONNECTIONS
BAL 1 7 V+
MN 2 6 OUT
HN 3 5N.C. 8-PIN HERMETIC DIP
4 v. (CASE) (Z-Suffix)
T0-99 EPOXY MlNl-DIP
(d-Suffix) (P-Suffix)
8-PIN so
(S-Suffix)
OP-27BRC/883
LCC PACKAGE
tions. Exceptionally low noise, en = 3.5nV/x/ Hz , at 10Hz, a (RC-Suffix)
low1/tnoise corner frequency of 2.7Hz, and high gain (1.8
million), allow accurate high-gain amplification of low-level
SIMPLIFIED SCHEMATIC
" R4 in C) (I)
) us 1 a f CI
-1 VosAdi. Ha, F-n 045
"CC] m' <)R2' t12t R23 H24 N
q A R9
_ Q23 m4 020 019
F-00UrPUT
INVE-RTING ulA ("IJ a2ts 122A in”
INPUT it) V N C: R11 C4
INVERTING , ir 0y; Fm“ ---'"'TQ1s-j4r-, 'Asas
INPUTLJ V025 _
01 012 N
N I 027 023
. R1&R2ARE PERMANENTLY ADJUSTED G) D
AT WAFER TEST FOR MINIMUM
OFFSFTVOLTAGE. -OV-
Low cost, high-volume production of OP-27 is achieved by
using an on-chip zener-zap trimming network. This reliable
and stable offset trimming scheme has proved its effective-
ness over many years of production history.
The OP-27 provides excellent performance in Iow-noise
high-accuracy amplification of low-level signals. Applica-
tions include stable integrators, precision summing ampli-
tiers, precision voltage-threshold detectors, comparators.
and professional audio circuits such as tape-head and
microphone preamplifiers.
The OP-27 is a direct replacement for725, OP-06, OP-07 and
OP-05 amplifiers; 741 types may be directly replaced by
removing the 741's nulling potentiometer.
ABSOLUTE MAXIMUM RATINGS (Note 4)
Supply Voltage ................................................................. s22V
Input Voltage (Note 1) ...................................................... s22)/
Output Short-Circuit Duration ................................... Indefinite
Differential lnputVoltage (Note 2) . ... t.0.7V
Differential Input Current (Note 2) ................................ =25n1A
Storage Temperature Range ........................ -65"G to +150°C
Operating Temperature Range
OP-27A, OP-27B, OP-27C (J, Z, RC) ........ -55t to +125°C
OP-27E, OP-27F (J, 2) .. -25t to +85°C
OP-27E, OP-27F (P) ........................................ 0°C to +70°C
OP-27G (P, S, J, Z) ...................................... -uUy'C to +85°C
Lead Temperature Range (Soldering, 60 sec) ........._ 300°C
Junction Temperature ................................... -65T to +150°C
PACKAGE TYPE 9111mm a) 'he UNITS
1099 (J) 1 so 1 a "C/W
B-Pin Hermetic DIP (Z) 148 16 ''C/W
8-Pin Plastic DIP (P) 103 43 °C/W
20-Contact LCC (RC) 98 38 °C/W
8-Pin so (8) 168 43 ''thW
NOTES:
1. For supply voltages less than 122V, the absolute maximum input voltage is
equal to the supply voltage.
2. The OP-27's inputs are protected by battk-ttFbatht diodes. Current limiting
resistors ate not used in order to achieve low noise. "differential inputvoltage
exceeds 10.7V, the input current should be limited m 25mA.
3. IV is specified for worst case mounting conditions. i.e.. ' is specified for
device in socket for TO, CerDIP. P-DIP, and LCC packages; SM is specitied
for device soldered to printed circuit board for so package.
4. Absolute maximum ratings apply to both DICE and packaged parts, unless
otherwise noted.
ELECTRICAL CHARACTERISTICS at Vs = i15V, TA = 25°C, unless otherwise noted.
OP-27A/ E OP-27B/ F OP-27C/ G
PARAMETER SYMBOL CONDITIONS MIN TYP MAX MIN TYP MAX MIN TYP MAX UNITS
Input Offset Voltage Vos (Note 1) _ 10 25 - 20 60 - 30 100 111V
Long-Term vos '
- ' 1. - 0.3 1.5 - . .
Stability Vos/Time (Notes 2, 3) 0 2 0 0 4 2 0 PV/Ma
Input Offset Current los - 7 35 - 9 50 r 12 75 nA
Input Bias Current ls - +10 :40 - t12 :55 - :15 :80 nA
0.1 HZ to 10HZ
in ut Noise Volta e e _ - 0.08 0.18 - 0.08 0.18 - 0.09 0.25 V ..
p g- np p (Notes 3, 5) u p p
Input Noise fo =10Hz(Note 3) - 3.5 5.5 - 3.5 5.5 - 3.8 8.0
f = H N t 3 - 3.1 4.5 - 3.1 4.5 - 3.3 5.6 V/V H
Voltage Density en o 30 Ef o e ) n E
f0 =1000HziNote 31 - 3.0 3.8 - 3.0 3.8 - 3.2 4.5
. f0 =10HZ(Notes 3,6) - 1.7 4.0 - 1.7 4.0 - 1.7 -
'"pummse i r =30H N t 3 6 1o 2.3 1,0 2.3 ll) A/JFE
Current Density n o - u 0 es ' J _ F F , . ' _ p
re =1000Hz (Notes 3, 6) - 0.4 0.6 - 0,4 0.6 -- 0.4 0.6
Input Resistance -
R (N t 7 1.3 6 _ 0.94 5 - 0.7 4 - Mn
Differential-Mode IN o e )
Input Resistance _
R - 3 - -- 2.5 - - 2 - Gn
Common-Mode INCM
Input Voltage Range NR :110 i123 - 111.0 t12.3 - tlt0 112.3 k V
PTt"1o CMRR VCM = L11V 114 126 - 106 123 - 100 120 - ca
Rejection Ratio
'IT" squly ' PSRR vs = i4V1o :13v - 1 10 - 1 10 - 2 20 W/v
Rejection Ratio
Large-Signal A Ru 2 2k11,vo = :10V 1000 1800 - 1000 1800 - 700 1500 - V/mV
Voltage Gain VC) RL 2 6000, Ito = t 10V 800 1500 - 800 1500 - 600 1500 -
Output Voltage V RL22k0 £120 i138 - $12.0 $13.8 - $11.5 $13.5 - V
Swing O RLESOOO :10.0 :11.5 - $10.0 $11.5 - $10.0 i115 -
Slew Rate SR RL 2 2kft (Note 4) 1.7 2.8 - 1.7 2.8 - 1.7 2.8 - V/us
ELECTRICAL CHARACTERISTICS at Vs = i15V, TA = 25°C, unless otherwise noted. (Continued)
OP-27A/E OP-27B/F OP-27C/G
PARAMETER SYMBOL CONDITIONS MIN TYP MAX MIN TYP MAX MIN TYP MAX UNITS
Gain Bandwidth Prod. GBW (Note 43 5.0 8.0 - 5.0 8.0 - 5.0 _ 8.0 - MHz
Open-Loop Output - - _
Resistance Ro vo - o, Io - 0 70 70 70 n
Power Consumption Pd vo . _ 90 140 - 90 140 - 100 170 mW
Offset Adjustment
Re =1om - 14.0 - - 14.0 - - 14.0 - mV
NOTES: days are typically 2.5yV - refer to typical performance curve.
Input offset voltage measurements are performed _ 0.5 seconds after
application of power. A/E grades guaranteed fully warmed-up.
Long-term input offset voltage stability refers to the average trend line of
Vos vs. Time over extended periods after the first 30 days of operation.
Excluding the initial hour of operation, changes in Vos during the first 30
Sample tested.
Guaranteed by design.
See test circuit and trequancyIesponso curve for 0.1 Hz to 10Hz tester.
See test circuit for current noise measurement.
Guaranteed by input bias current.
ELechICAL CHARACTERISTICS for Vs = 115v, -55oCl s TA s +125° c, unless otherwise noted.
0P-27A OP-27B OP-27C
PARAMETER SYMBOL CONDITIONS MIN TYP MAX MIN TYP MAX MIN V TYP MAX UNITS
Input Oftset Voltage vos (Note 1) - 30 60 - _ 50 200 - 70 300 “V
Average Input TCVOS (Note 2) .
- .2 . - _ 1. - .4 . o
onset Drift TCVOS" (Note 3) 0 0 6 0 3 3 o 1 s “w c
Input Offset Current los - 15 50 - 22 M - 30 135 nA
Input Bias Curfent 13 - _+20 A60 - :28 195 - 135 i150 nA
Input Voltage Range IVR $10.3 $11.5 - :10.3 111.5 - 110.2 $11.5 - V
Common-Mode
=11 108 122 - 100 119 - 94 116 - dB
Rejection Ratio CMRR VCM OV
Power Supply
. . . PSRR VS = 14.5V to A18V - 2 16 - 2 20 - 4 M tNN
Rejection Ratio
Large-Slgnal . V
A R Z 2en, V = tUN 600 1200 - 500 1000 - 300 800 - V/mV
Voltage Gain V0 L C)
Out tV lta - - "W W - - - - W - W W i ----- - -
$1111; t2 tN vo RLz 2m 111.5 113.5 - 111.0 113.2 - 110.5 113.0 - v
ELECTRICAL CHARACTERISTICS at Vs = 115V. -25''C s T, s +85°C for OP-27J and OP-27Z, 0°C s T A s +70''C for OP-27EP.
FP and 750°C s Ta s t85''C for OP-27GP, GS, unless otherwise noted.
OP-27E OP-27F OP-27G
PARAMETER SYMBOL CONDITIONS MIN TYP MAX MIN TYP MAX MIN TYP MAX UNITS
Input Ottset Voltage Vos, - 20 50 - 40 140 - tit) 220 PV
Average Input TCVOS (Note 2)
- . . - ' . - . l. °
Offset Drift chos,n (Note 3) 0 2 0 6 0 3 1 3 O 4 8 il/ C
Input Offset Current los - 10 50 - 14 M - 20 135 nA
Input Bias Current lis - 114 160 - :18 ur95 - 125 _+150 nA
Input Voltage Range IVR 110.5 111.8 - 110.5 111.8 - 110.5 111.8 - V
Common-Mode
=4: 1 4 - 102 121 - -
RtrWction Ratio CMRR VCM 10V 110 2 96 118 dB
Power Supply PSRR v - +4 5v to +18V . 2 15 2 16 2 32 WN
Rejection Ratio s- - . - "
Large-Signal
> =1 - 7 1 00 - -
Voltage Gm Avo BL- 2m. Vo 10V 750 1500 00 3 450 1000 V/mV
1uteut Voltage vo RL Pe 2m 111.7 113.6 - 111.4 113.5 - 111.0 113.3 - v
NOTES: 2. The TCVos performance is within the épecilications unnulled or when
1. Input offset voltage measurements are performed by automated test nulled with Re = 8kfl to 20kfl. TCVos is 100% tested for A/E grades,
equipment approximately 0.5 seconds after application of power, A/E sampletested for B/C/F/G grades.
grades guaranteed fully warmed-up. 3. Guaranteed by design.
DICE CHARACTERISTICS
1. NULL
2. (-) INPUT
3. (+) INPUT
th OUTPUT
r. If-f-
8. NULL
DIE SIZE 0.109 X 0.055jnch, 5995 sq. mils
(2.77 X 1.40mm, 3.88 sq. mm)
WAFER TEST LIMITS at Vs = i15V, TA = 25'' C for OP-27N, 0P-27G, and OP-27GR devices; TA= 125° C for OP-27NT and
OP-Z7GT dgyicgs, unless othgwisg noted.
0 P-27 NT
OP-27N 0P-27GT
0P-2TGR
0P-27G
PARAMETER SYMBOL CONDITIONS LIMIT LIMIT LIMIT LIMIT LIMIT UNITS
Input Offset Voltage Vos (Note 1) 60 35 200 60 100 uv MAX
Input Offset Current los 50 35 85 50 75 nA MAX
Input Bias Current Is :60 t40 t95 d:55 :80 nA MAX
Input Voltage Range IVR +10.3 t 11 $10.3 in $11 V MIN
Common-Mode I
Rejection Ratio CMRR VCM_ NR 108 114 100 106 100 dB MIN
Power Supply - + +
Rejection Ratio PSRR Vs - _4V to - 18V 10 10 20 PV/V MAX
Largi/-iisGa "N "Wife 2m, Vo= :10" 606 - - 7060 500 1000 700
Voltage Gain Avo RL 2 soon, Vo = , 10V - 800 - 800 600 V/mV MIN
- 7 h - J. W 1721": 2m - V i 7:115 $12.0 $11.0 $6.0 :11.5 7
Output Voltage Swing Vo me soon - i100 - 1100 i 10.0 V MIN
Power Consumption Pd V0 = O - 140 - 140 170 mW MAX
Electrical tests are performed at wafer probe to the limits shown. Due to variations In assembly methods and normal yield toss, yield after packaging is not
guaranteed for standard product dice. Consult factory to negotiate specifications based on dice lot qualification through sample lot assembly and testing.
TYPICAL ELEdriutuu. CHARACTERISTICS at vs: 3:150, TA: +7275 c, pnless otherwise pgggd.
OP-27N OP-2TG OP-27GH
PARAMETER SYMBOL CONDITIONS TYPICAL TYPICAL TYPICAL UNITS
Average Input Offset TCVos or Nulled or Unnulled
0.2 .3 . .
Voltage Drift Tth/os, RP -- 8kft to 20kn 0 0 4 pV/ C
Average Input Offset a
Current Drift TCIOS 80 130 180 PM C
Average Input Bias "r 0
Current Drift Tag 100 160 200 PM C
m ut Noise fo-- 10Hz 3.5 3.5 3.8
Vina e Densit en fo-- 30Hz 3.1 3.1 3.3 nV/V Hz
g y lo: 100on 3.0 3.0 _ 3.2
. 10: 10Hz 1.7 1.7 1.7
1tl'rtrlet',ns, i,, to = 30Hz 1.0 1.0 1.0 pA/V HZ
y to = 1000Hz 0.4 0.4 0.4
Input Noise Voltage em”, 0.1 Hz to 10Hz 0.08 0.08 0.09 pr-p
Slew Rate SR RL 2 2ktt 2.8 2.8 2.8 Nlps
Gain Bandwidth Product GBW 8 8 8 MHz
1. Input offset voltage measurements are performed by automated test
equipment approximately 0.5 seconds after application of power.
iP-fl7
TYPICAL PERFORMANCE CHARACTERISTICS
0.1Hz TO 10Hzp-,, NOISE TESTER
FREQUENCY RESPONSE
GAIN (d8)
TEST TIME OF 10 SEC FURTHER
LIMITS LOW FREQUENCY (<0.1Hz)
" GAIN
0.01 UNI 1.0 10 100
FREQUENCY (H1)
INPuf wahuld i/i:irfja:
NOISE " BANDWIDTH (0.1Hz
TO FREQUENCY INDICATED)
TA = 25°C
vs - t15V
RMS VOLTAGE NOISE (uV)
100 1k 10k 100k
BANDWIDTH (Hz)
VOLTAGE NOISE DENSITY
vs SUPPLY VOLTAGE
TA = 25°C
_ "mm. AT 10H;
t """-----c.L''L''.C',
3g .. AT 1kHz
O 10 20 30 40
TOTAL SUPPLY VOLTAGE (V+ - V-) IVOLTS)
VOLTAGE NOISE DENSITY
" FREQUENCY
i' IlfCORNER
'ii = 2.7Hz
1 " 100 1000
FREQUENCY (Hz)
TOTAL NOISE " SOURCE
RESISTANCE
TA a 25°C R1
vs" 1I5V R2
AI 1DHZ
TOTAL NOISE (nV/
AT "(Hz
RESISTOR NOISE ONLV
100 " 10k
SOURCE RESISTANCE In)
CURRENT NOISE DENSITY
" FREQUENCY
CURRENT NOISE (pA/V’H'zfv
l/f CORNER
= 140Hz
10 100 1k 10k
FREQUENCY (Hz)
A COMPARISON OF
OP AMP VOLTAGE
NOISE SPECTRA
5 l/fCORNER l
P. Low NOISE
fl IO AUDIO
m Ilf CORNER op AMP
i' 2.7Ha m CORNER
g 09.27
INSTRUMENTATION AUDIO RANGE
RANGE TO DC TO 20KHz
1 10 100 1000
FREQUENCY Wiz)
VOLTAGE NOISE DENSITY
" TEMPERATURE
vs = 21tiV
AT 10Hr
9 3 AT 1kHz
-60 -26 o 25 so 75 100 125
TEMPERATURE (”CI
SUPPLY CURRENT "
SUPPLY VOLTAGE
A 4.0 -
'et TA = 125°C
9 s-ss'''-"
u: ".,,eg',",,','5
m:3.D_TA:25°C A LT-''""
f, / f
TA = -S7C 1
1.0 l 1
5 15 25 35 115
TOTAL SUPPLY VOLTAGE (VOLTS)
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