AMP03 Analog Devices, AMP03 Datasheet

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AMP03

Manufacturer Part Number
AMP03
Description
High-Speed Differential Amplifier
Manufacturer
Analog Devices
Datasheet

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a
GENERAL DESCRIPTION
The AMP03 is a monolithic unity-gain, high speed differential
amplifier. Incorporating a matched thin-film resistor network,
the AMP03 features stable operation over temperature without
requiring expensive external matched components. The AMP03
is a basic analog building block for differential amplifier and
instrumentation applications.
The differential amplifier topology of the AMP03 serves to both
amplify the difference between two signals and provide extremely
high rejection of the common-mode input voltage. By providing
common-mode rejection (CMR) of 100 dB typical, the AMP03
solves common problems encountered in instrumentation design.
As an example, the AMP03 is ideal for performing either addi-
tion or subtraction of two signals without using expensive
externally-matched precision resistors. The large common-
mode rejection is made possible by matching the internal resistors
to better than 0.002% and maintaining a thermally symmetric
layout. Additionally, due to high CMR over frequency, the
AMP03 is an ideal general amplifier for buffering signals in a
noisy environment into data acquisition systems.
The AMP03 is a higher speed alternative to the INA105. Fea-
turing slew rates of 9.5 V/ s, and a bandwidth of 3 MHz, the
AMP03 offers superior performance for high speed current
sources, absolute value amplifiers and summing amplifiers than
the INA105.
REV. E
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 CMRR: 100 dB Typ
Low Nonlinearity: 0.001% Max
Low Distortion: 0.001% Typ
Wide Bandwidth: 3 MHz Typ
Fast Slew Rate: 9.5 V/ s Typ
Fast Settling (0.01%): 1 s Typ
Low Cost
APPLICATIONS
Summing Amplifiers
Instrumentation Amplifiers
Balanced Line Receivers
Current-Voltage Conversion
Absolute Value Amplifier
4 mA–20 mA Current Transmitter
Precision Voltage Reference Applications
Lower Cost and Higher Speed Version of INA105
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700
Fax: 781/326-8703
FUNCTIONAL BLOCK DIAGRAM
REFERENCE
REFERENCE
REFERENCE 1
–IN
+IN
–IN 2
PIN CONNECTIONS
World Wide Web Site: http://www.analog.com
–IN
+IN
Precision, Unity-Gain
8-Lead Plastic DIP
–IN
+IN
+IN 3
Differential Amplifier
V–
V–
2
3
8-Lead SOIC
NC = NO CONNECT
NC = NO CONNECT
1
2
3
4
1
2
3
4
NC = NO CONNECT
25k
25k
(P Suffix)
(S Suffix)
(Not to Scale)
(Not to Scale)
(J Suffix)
Header
TOP VIEW
TOP VIEW
AMP03
AMP03
NC
V–
8
4
25k
25k
AMP03
8
7
6
5
8
7
6
5
© Analog Devices, Inc., 1999
7 V+
5 SENSE
NC
V+
OUTPUT
SENSE
NC
V+
OUTPUT
SENSE
6 OUTPUT
5
7
6
4
1
AMP03
SENSE
+V
OUTPUT
–V
REFERENCE
CC
EE

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AMP03 Summary of contents

Page 1

... AMP03 is an ideal general amplifier for buffering signals in a noisy environment into data acquisition systems. The AMP03 is a higher speed alternative to the INA105. Fea- turing slew rates of 9 and a bandwidth of 3 MHz, the AMP03 offers superior performance for high speed current sources, absolute value amplifiers and summing amplifiers than the INA105 ...

Page 2

... C for B Grade) AMP03B Min Typ –1500 150 0.0014 0.7 12 13.7 9.5 3.0 AMP03F AMP03G Min Typ Max Min Typ –1000 100 1000 –2000 200 0.0008 0.015 0.002 0.7 15 1.0 12 13.7 12 13.7 9.5 9.5 2.6 4.0 2.6 Units 750 ...

Page 3

... Supply Voltage Output Short-Circuit Duration . . . . . . . . . . . . . . Continuous Storage Temperature Range P, J Package . . . . . . . . . . . . . . . . . . . . . . . – +150 C Lead Temperature (Soldering, 60 sec +300 C Junction Temperature . . . . . . . . . . . . . . . . . . . . . . . . +150 C Operating Temperature Range AMP03B . . . . . . . . . . . . . . . . . . . . . . . . . – +125 C AMP03F, AMP03G . . . . . . . . . . . . . . . . . . – + Package Type JA Header (J) 150 ...

Page 4

... AMP03–Typical Performance Characteristics Figure 1. Small Signal Transient Response Figure 4. Large Signal Transient Response 1000 V = 15V S 800 600 400 200 0 –200 –400 –600 –800 –75 –50 – 100 125 TEMPERATURE – C Figure 7. Input Offset Voltage vs. Temperature 120 T 110 V 100 ...

Page 5

... OUTPUT SOURCE CURRENT – mA Figure 14. Maximum Output Voltage vs. Output Current (Source) 0.1 TO 10Hz PEAK-TO-PEAK NOISE Figure 17. Low Frequency Voltage Noise NOTE: EXTERNAL AMPLIFIER GAIN = 1000; THEREFORE, VERTICAL SCALE = 10 V/DIV. Figure 19. Voltage Noise from 0 kHz to 10 kHz –5– AMP03 15V ...

Page 6

... MAINTAINING COMMON-MODE REJECTION In order to achieve the full common-mode rejection capability of the AMP03, the source impedance must be carefully con- trolled. Slight imbalances of the source resistance will result in a degradation of DC CMR—even a 5 CMR by 20 dB. Also, the matching of the reactive source im- ...

Page 7

... Need Low Current S Noise Require Ultrahigh Input Impedance E OUTPUT 0 Need Wider Bandwidth and High Speed – –7– AMP03 Suggested Op Amp For A1 and A2 OP27, OP37 OP227 (Dual Matched) OP270 (Dual) OP271 OP470 OP471 OP80 OP41 OP43 OP249 OP97 OP80 OP97 ...

Page 8

... AMP03 0.0098 (0.25) 0.0040 (0.10) 0.040 (1.02) MAX OUTLINE DIMENSIONS Dimensions shown in inches and (mm). 8-Lead Plastic DIP (N-8) 0.430 (10.92) 0.348 (8.84 0.280 (7.11) 0.240 (6.10 0.325 (8.25) PIN 1 0.100 (2.54) 0.300 (7.62) BSC 0.060 (1.52) 0.210 0.015 (0.38) (5.33) MAX 0.130 (3.30) 0.160 (4.06) MIN 0.115 (2.93) 0.015 (0.381) 0.022 (0.558) 0.070 (1.77) SEATING 0.008 (0.204) PLANE 0 ...

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