AMP03BJ-AMP03GP-AMP03GS Fast Delivery |IC PHOENIX CO.,LIMITED

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AMP03BJ-AMP03GP-AMP03GS
Precision, Unity-Gain Differential Amplifier
REV.E
Precision, Unity-Gain
Differential Amplifier
FEATURES
High CMRR:100 dB Typ
Low Nonlinearity:0.001% Max
Low Distortion:0.001% Typ
Wide Bandwidth:3MHz Typ
Fast Slew Rate:9.5V/ms Typ
Fast Settling (0.01%):1ms Typ
Low Cost
APPLICATIONS
Summing Amplifiers
Instrumentation Amplifiers
Balanced Line Receivers
Current-Voltage Conversion
Absolute Value AmplifiermA–20mA Current Transmitter
Precision Voltage Reference Applications
Lower Cost and Higher Speed Version of INA105
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/μs, 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.
FUNCTIONAL BLOCK DIAGRAM
–IN
+IN
SENSE
+VCC
OUTPUT
–VEE
REFERENCE
PIN CONNECTIONS
8-Lead Plastic DIP
(P Suffix)
NC = NO CONNECT
REFERENCE
SENSE
OUTPUT
–IN
+IN
8-Lead SOIC
(S Suffix)
NC = NO CONNECT
REFERENCE
SENSE
OUTPUT
–IN
+IN
Header
(J Suffix)
REFERENCE 1
–IN 2
+IN 3
7 V+
6 OUTPUT
5 SENSE
NC = NO CONNECT
AMP03–SPECIFICATIONS
ELECTRICAL CHARACTERISTICS
Gain Error
Input Voltage Range
Common-Mode Rejection
Power Supply Rejection Ratio
Output Swing
Capacitive Load Drive
NOTESInput voltage range guaranteed by CMR test.
Specifications subject to change without notice.
ELECTRICAL CHARACTERISTICS
Gain Error
Input Voltage Range
Common-Mode Rejection
Power Supply Rejection
Specifications subject to change without notice.
ELECTRICAL CHARACTERISTICS
Gain Error
Power Supply Rejection
Output Swing
Specifications subject to change without notice.
(@ VS = 615 V, TA = +258C, unless otherwise noted)
(@ VS = 615 V, –558C ≤ TA ≤ +1258C for B Grade)
(@ VS = 615 V, –408C ≤ TA ≤ +858C for F and G Grades)
WAFER TEST LIMITS(@ VS = 615 V, TA = +258C, unless otherwise noted)
Electrical tests are performed at wafer probe to the limits shown. Due to variations in assembly methods and normal yield loss, yield after packaging is not guaranteed
for standard product dice. Consult factory to negotiate specifications based on dice lot qualifications through sample lot assembly and testing.
ABSOLUTE MAXIMUM RATINGS1
Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±18 V
Input Voltage2 . . . . . . . . . . . . . . . . . . . . . . . . .Supply Voltage
Output Short-Circuit Duration . . . . . . . . . . . . . . Continuous
Storage Temperature Range
P, J Package . . . . . . . . . . . . . . . . . . . . . . . –65°C to +150°C
Lead Temperature (Soldering, 60 sec) . . . . . . . . . . . +300°C
Junction Temperature . . . . . . . . . . . . . . . . . . . . . . . . +150°C
Operating Temperature Range
AMP03B . . . . . . . . . . . . . . . . . . . . . . . . . –55°C to +125°C
AMP03F, AMP03G . . . . . . . . . . . . . . . . . . –40°C to +85°C
NOTESAbsolute maximum ratings apply to both DICE and packaged parts, unless
otherwise noted.For supply voltages less than ±18 V, the absolute maximum input voltage is equal
to the supply voltage.qJA is specified for worst case mounting conditions, i.e., qJA is specified for device
in socket for header and plastic DIP packages and for device soldered to printed
circuit board for SOIC package.
ORDERING GUIDE1
NOTESBurn-in is available on commercial and industrial temperature range parts in
plastic DIP and header packages.For devices processed in total compliance to MIL-STD-883, add /883 after
part number. Consult factory for /883 data sheet.
CAUTION
ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000V readily
DICE CHARACTERISTICS
BURN-IN CIRCUIT
+18V
–18V
SLEW RATE TEST CIRCUIT
AMP03–Typical Performance Characteristics
Figure 1.Small Signal Transient
Response
Figure 4.Large Signal Transient
Response
INPUT OFFSET VOLTAGE –
TEMPERATURE – 8C
–75–50150–250257510012550
Figure 7.Input Offset Voltage vs.
Temperature
FREQUENCY – Hz
COMMON-MODE REJECTION – dB
1101M1001k10k100k
100
Figure 2.Common-Mode Rejection
vs. Frequency
FREQUENCY – Hz
POWER SUPPLY REJECTION – dB
1101M1001k10k100k
100
Figure 5.Power Supply Rejection
vs. Frequency
FREQUENCY – Hz
CLOSED-LOOP GAIN – dB
–301001k10M10k100k1M
–20
Figure 8.Closed-Loop Gain vs.
Frequency
FREQUENCY – Hz
THD+N – %
0.000110020k
0.00110k
Figure 3.Total Harmonic Distortion
vs. Frequency
FREQUENCY – Hz
0.000150k
10k
DIM – %
Figure 6.Dynamic Intermodulation
Distortion vs. Frequency
FREQUENCY – Hz
OUTPUT IMPEDANCE –
1001k1M10k100k
Figure 9.Closed-Loop Output Imped-
ance vs. Frequency
TEMPERATURE – 8C
GAIN ERROR – %
125150
Figure 10.Gain Error vs. Temperature
SUPPLY VOLTAGE – Volts
SUPPLY CURRENT – mA65620610615
Figure 13.Supply Current vs. Supply
Voltage
FREQUENCY – Hz
1001010k1001k
VOLTAGE NOISE DENSITY – nV/
Figure 16.Voltage Noise Density vs.
Frequency
TEMPERATURE – 8C
SLEW RATE – V/
–75–50125–250255075100
Figure 11.Slew Rate vs. Temperature
OUTPUT SOURCE CURRENT – mA
MAXIMUM OUTPUT VOLTAGE – Volts
Figure 14.Maximum Output Voltage
vs. Output Current (Source)
0.1 TO 10Hz PEAK-TO-PEAK NOISE
Figure 17.Low Frequency Voltage
Noise
TEMPERATURE – 8C
SUPPLY CURRENT – mA
150
Figure 12.Supply Current vs.
Temperature
OUTPUT SINK CURRENT – mA
MAXIMUM OUTPUT VOLTAGE – Volts
Figure 15.Maximum Output Voltage
vs. Output Current (Sink)
NOTE: EXTERNAL AMPLIFIER GAIN = 1000;
THEREFORE, VERTICAL SCALE = 10mV/DIV.
Figure 18.Voltage Noise from 0kHz
to 1kHz
AMP03
VSIGNAL
GROUND REFERENCE 1GROUND REFERENCE 2
Figure 20.AMP03 Serves to Reject Common-Mode Volt-
ages in Instrumentation Systems. Common-Mode Volt-
ages Occur Due to Ground Current Returns. VSIGNAL and
ECM Must Be Within the Common-Mode Range of AMP03.
APPLICATIONS INFORMATION
The AMP03 represents a versatile analog building block. In
order to capitalize on fast settling time, high slew rate and high
CMR, proper decoupling and grounding techniques must be
employed. Figure 20 illustrates the use of 0.1μF decoupling
capacitors and proper ground connections.
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 5Ω imbalance will degrade
CMR by 20dB. Also, the matching of the reactive source im-
pedance must be matched in order to preserve the CMRR over
frequency.
APPLICATION CIRCUITS
+IN E2
–IN E1
E0 = E2–E1
Figure 21.Precision Difference Amplifier. Rejects
Common-Mode Signal = (E1 + E2)/2 by 100dB
E0 = –E1
Figure 22.Precision Unity-Gain Inverting Amplifier
+15V
–10V OUT
+10V OUT
Figure 23.610 V Precision Voltage Reference
–5V OUT
+5V OUT
Figure 24.65 V Precision Voltage Reference
AMP03
E0 = E1 + E2
Figure 25.Precision Summing AmplifierR1
E0 = (R2/R1+1)
Figure 26.Precision Summing Amplifier with Gain

Partno	Mfg	Dc	Qty	Available	Descript
AMP03BJ	AD	N/a	14	avai	Precision, Unity-Gain Differential Amplifier
AMP03GP	PMI	N/a	38	avai	Precision, Unity-Gain Differential Amplifier
AMP03GS	ADI	N/a	102	avai	Precision, Unity-Gain Differential Amplifier