OP470G Analog Devices, OP470G Datasheet

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OP470G

Manufacturer Part Number
OP470G
Description
Manufacturer
Analog Devices
Datasheet

Specifications of OP470G

Case
SOP
Dc
00+

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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.
GENERAL DESCRIPTION
The OP470 is a high-performance monolithic quad operational
amplifier with exceptionally low voltage noise, 5 nV/X/ Hz at
1 kHz Max, offering comparable performance to ADI’s industry
standard OP27.
The OP470 features an input offset voltage below 0.4 mV,
excellent for a quad op amp, and an offset drift under 2 mV/∞C,
guaranteed over the full military temperature range. Open loop
gain of the OP470 is over 1,000,000 into a 10 kW load ensuring
excellent gain accuracy and linearity, even in high gain applica-
tions. Input bias current is under 25 nA, which reduces errors
due to signal source resistance. The OP470’s CMR of over
110 dB and PSRR of less than 1.8 mV/V significantly reduce
errors due to ground noise and power supply fluctuations.
Power consumption of the quad OP470 is half that of four
OP27s, a significant advantage for power conscious applica-
tions. The OP470 is unity-gain stable with a gain bandwidth
product of 6 MHz and a slew rate of 2 V/ms.
REV. A
FEATURES
Very Low-Noise, 5 nV/÷Hz @ 1 kHz Max
Excellent Input Offset Voltage, 0.4 mV Max
Low Offset Voltage Drift, 2 V/ C Max
Very High Gain, 1000 V/mV Min
Outstanding CMR, 110 dB Min
Slew Rate, 2 V/ s Typ
Gain-Bandwidth Product, 6 MHz Typ
Industry Standard Quad Pinouts
Available in Die Form
–IN
+IN
SIMPLIFIED SCHEMATIC
BIAS
The OP470 offers excellent amplifier matching which is important
for applications such as multiple gain blocks, low noise instrumen-
tation amplifiers, quad buffers, and low noise active filters.
The OP470 conforms to the industry standard 14-pin DIP pinout.
It is pin compatible with the LM148/149, HA4741, HA5104,
and RM4156 quad op amps and can be used to upgrade systems
using these devices.
For higher speed applications, the OP471, with a slew rate of
8 V/ms, is recommended.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700
Fax: 781/326-8703
OUT A
OUT B
–IN A
+IN A
+IN B
–IN B
14–Lead Hermetic Dip
14–Lead Plastic Dip
V+
1
2
3
4
5
6
7
(Y–Suffix)
(P–Suffix)
OP470
14
13
12
11
10
9
8
Operational Amplifier
PIN CONNECTIONS
Very Low Noise Quad
OUT D
–IN D
+IN D
V–
+IN C
–IN C
OUT C
OUT A
OUT B
16–Lead SOIC Package
–IN A
+IN A
+IN B
–IN B
V+
V–
NC
V+
© Analog Devices, Inc., 2002
NC = NO CONNECT
1
2
3
4
5
6
7
8
(R–Suffix)
OP470
OP470
www.analog.com
16
15
14
13
12
11
10
9
OUT D
–IN D
+IN D
V–
+IN C
–IN C
OUT C
NC

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OP470G Summary of contents

Page 1

... MHz and a slew rate of 2 V/ms. –IN REV. 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 ...

Page 2

... V 110 125 CM = ± 4 ± 0.56 1 125 155 O p (Note 5.5 6.0 –2– OP470F OP470G Min Typ Max Min Typ Max 0.2 0.8 0.4 1 200 80 200 3.8 6.5 3.8 6.5 3.3 5.5 3.3 5.5 3.2 5.0 3.2 5 ...

Page 3

... V/mV 400 800 ± 11 ± ± 12 ± 100 120 dB mV/V 1.0 5.6 — 9 £ £ for OP470G OP470F OP470G Min Typ Max Min Typ Max 0.24 1.0 0.5 1.5 0 600 1400 600 1500 300 700 300 800 ± 11 ± 12 ± ...

Page 4

... Consult factory to negotiate specifications based on dice lot qualification through sample lot assembly and testing unless otherwise noted.) Conditions ± ≥ ± ± 4 ± Load –4– OP470GBC Limit Unit 0.8 mV MAX 20 nA MAX 50 nA MIN 800 V/mV MIN 400 ± MIN ± MIN 100 dB mV/V MAX 5 MAX REV. A ...

Page 5

... P, Y Package . . . . . . . . . . . . . . . . . . . . . . –65∞C to +150∞C Lead Temperature Range (Soldering 60 sec 300∞C Junction Temperature ( –65∞C to +150∞C j Operating Temperature Range OP470A . . . . . . . . . . . . . . . . . . . . . . . . . –55∞C to +125∞C OP470E, OP470F . . . . . . . . . . . . . . . . . . . –25∞C to +85∞C OP470G . . . . . . . . . . . . . . . . . . . . . . . . . . –40∞C to +85∞C ORDERING GUIDE Package Options TA = 25∞C V MAX Cerdip OS ...

Page 6

OP470 –Typical Performance Characteristics 15V I/F CORNER = 5Hz 100 1k FREQUENCY – Hz TPC 1. Voltage Noise Density vs. ...

Page 7

120 V = 15V S 110 100 100 1k 10k 100k 1M FREQUENCY – Hz TPC 10. CMR vs. Frequency 140 T = ...

Page 8

OP470 15V S 24 THD = 10k 100k 1M 10M FREQUENCY – Hz TPC 19. Maximum Output Swing vs. Frequency 360 ...

Page 9

OP470 50k 50 1/4 OP470 CHANNEL SEPARATION = 20 LOG Figure 2. Channel Separation Test Circuit +18V +1V +1V 11 –18V –1V –1V Figure 3. Burn-In Circuit APPLICATIONS ...

Page 10

OP470 Figure 6 shows peak-to-peak noise versus source resistance over the 0 range. Once again, at low values of R voltage noise of the OP470 is the major contributor to peak-to-peak noise with current noise the ...

Page 11

The test time to measure 0 noise should not ex- ceed 10 seconds. As shown in the noise-tester frequency-response curve of Figure 8, the 0.1 Hz corner is defined by only one pole. The test ...

Page 12

OP470 CAPACITIVE LOAD DRIVING AND POWER SUPPLY CONSIDERATIONS The OP470 is unity-gain stable and is capable of driving large capacitive loads without oscillating. Nonetheless, good supply bypassing is highly recommended. Proper supply bypassing reduces problems caused by supply line noise ...

Page 13

Figure 14. Noise Density of Low Noise Amplifier 1000 DIGITAL PANNING CONTROL Figure 15 uses a DAC-8408, quad 8-bit DAC to pan a signal between two channels. The complementary DAC current out- puts two ...

Page 14

OP470 SQUELCH AMPLIFIER The circuit of Figure simple squelch amplifier that uses a FET switch to cut off the output when the input signal falls below a preset limit. The input signal is sampled by a peak ...

Page 15

Cerdip Package (Q-14) 0.005 (0.13) MIN 0.098 (2.49) MAX 14 8 0.310 (7.87) PIN 1 0.220 (5.59 0.100 (2.54) BSC 0.785 (19.94) MAX 0.060 (1.52) 0.015 (0.38) 0.200 (5.08) MAX 0.150 (3.81) 0.200 (5.08) MIN 0.125 (3.18) ...

Page 16

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