OP2177ARM AD [Analog Devices], OP2177ARM Datasheet

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OP2177ARM

Manufacturer Part Number
OP2177ARM
Description
Precision Low Noise, Low Input Bias Current Operational Amplifiers
Manufacturer
AD [Analog Devices]
Datasheet
1.OP2177ARM.pdf (20 pages)

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a
GENERAL DESCRIPTION
The OPx177 family consists of very high-precision, single, dual,
and quad amplifiers featuring extremely low offset voltage and
drift, low input bias current, low noise, and low power con-
sumption. Outputs are stable with capacitive loads of over
1,000 pF with no external compensation. Supply current is less
than 500 A per amplifier at 30 V. Internal 500
tors protect the inputs, allowing input signal levels several volts
beyond either supply without phase reversal.
Unlike previous high-voltage amplifiers with very low offset voltages, the
OP1177 and OP2177 are available in the tiny MSOP 8-lead sur-
face-mount package, while the OP4177 is available in TSSOP14.
Moreover, specified performance in the MSOP/TSSOP package is
identical to performance in the SOIC package.
OPx177 family offers the widest specified temperature range of
any high-precision amplifier in surface-mount packaging. All
versions are fully specified for operation from –40 C to +125 C for
the most demanding operating environments.
Applications for these amplifiers include precision diode power
measurement, voltage and current level setting, and level detec-
tion in optical and wireless transmission systems. Additional
applications include line powered and portable instrumentation
Hz
series resis-
Bias Current Operational Amplifiers
and controls—thermocouple, RTD, strain-bridge, and other
sensor signal conditioning—and precision filters.
The OP1177 (single) and the OP2177 (dual) amplifiers are
available in the 8-lead MSOP and 8-lead SOIC packages. The
OP4177 (quad) is available in 14-lead narrow SOIC and 14-lead
TSSOP packages. MSOP and TSSOP packages are available in
tape and reel only.
Precision Low Noise, Low Input
OUT A 1
OUT B 7
+IN A 3
+IN B 5
OUT A
IN A 2
IN B 6
V+ 4
IN A
IN A
V
V
NC
IN
IN
8-Lead MSOP
14-Lead SOIC
8-Lead MSOP
NC = NO CONNECT
(RM-Suffix)
OP1177/OP2177/OP4177
(RM-Suffix)
(R-Suffix)
1
4
1
4
OP2177
OP1177
OP4177
OP4177
FUNCTIONAL BLOCK DIAGRAM
8
5
8
5
V+
OUT B
–IN B
+IN B
NC
V+
OUT
NC
14
13
12
11
10
9
8
+IN D
+IN C
OUT D
V
OUT C
IN D
IN C
OUT A
OUT B
–IN A
+IN A
+IN B
–IN B
OUT A
V+
+IN A
+IN
IN A
NC
V
IN
V
14-Lead TSSOP
NC = NO CONNECT
8-Lead SOIC
8-Lead SOIC
1
2
3
4
(RU-Suffix)
(R-Suffix)
1
2
3
4
(R-Suffix)
1
7
OP4177
OP1177
OP2177
14
8
8
7
6
5
8
7
6
5
NC
V+
NC
OUT
V+
OUT B
+IN B
OUT D
–IN D
+IN D
V–
+IN C
–IN C
OUT C
IN B

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OP2177ARM Summary of contents

Page 1

Hz GENERAL DESCRIPTION The OPx177 family consists of very high-precision, single, dual, and quad amplifiers featuring extremely low offset voltage and drift, low input bias current, low noise, and low power con- sumption. Outputs are stable with capacitive loads ...

Page 2

OP1177/OP2177/OP4177–SPECIFICATIONS Parameter INPUT CHARACTERISTICS Offset Voltage OP1177 OP2177/4177 OP1177/2177 OP4177 Input Bias Current Input Offset Current Input Voltage Range Common-Mode Rejection Ratio Large Signal Voltage Gain Offset Voltage Drift OP1177/OP2177 OP4177 OUTPUT CHARACTERISTICS Output Voltage High Output Voltage Low Output ...

Page 3

ELECTRICAL CHARACTERISTICS Parameter INPUT CHARACTERISTICS Offset Voltage OP1177 OP2177/OP4177 OP1177/OP2177 OP4177 Input Bias Current Input Offset Current Input Voltage Range Common-Mode Rejection Ratio Large Signal Voltage Gain Offset Voltage Drift OP1177/OP2177 OP4177 OUTPUT CHARACTERISTICS Output Voltage High Output Voltage Low ...

Page 4

... Exposure to absolute maximum rating condi- tions for extended periods may affect device reliability. Temperature Model Range OP1177ARM – +125 C OP1177AR – +125 C OP2177ARM – +125 C OP2177AR – +125 C OP4177AR – +125 C OP4177ARU – +125 C CAUTION ESD (electrostatic discharge) sensitive device ...

Page 5

Typical Performance Characteristics– 15V INPUT OFFSET VOLTAGE – 15V 1 ...

Page 6

OP1177/OP2177/OP4177 V = 15V 1,000pF 100mV GND TIME – 100 s/DIV 15V 0V OUTPUT V = 15V 10k 100 ...

Page 7

V = 15V SY 14.35 14. 14. 14.20 14.15 14.10 14.05 14. 100 150 TEMPERATURE – C 133 V = 15V 132 SY 131 130 129 128 127 126 125 124 123 ...

Page 8

OP1177/OP2177/OP4177 500 450 V = 50mV p-p IN 400 350 300 250 A = 100 V 200 150 100 50 0 100 1k 10k 100k 1M FREQUENCY – ...

Page 9

TIME – 1s/DIV 4. 4. 4.20 4.15 4.10 4.05 4. 100 150 TEMPERATURE – C 450 400 350 ...

Page 10

OP1177/OP2177/OP4177 FUNCTIONAL DESCRIPTION OP1177 is the fourth generation of ADI’s industry standard OP07 amplifier family. OP1177 is a very high-precision, low-noise opera- tional amplifier with the highly desirable combination of extremely low offset voltage and very low input bias currents. ...

Page 11

Use an additional resistor in series with the inputs if the voltage will exceed the supplies by more than 2.5 V. The value of the resistor can be determined from the formula 500 S ...

Page 12

OP1177/OP2177/OP4177 Figure scope photograph of the output of the OP1177 in response to a 400 mV pulse. The load capacitance is 2 nF. The circuit is configured in positive unity gain, the worst-case condition for stability. Placing ...

Page 13

Reducing Electromagnetic Interference A number of methods can be utilized to reduce the effects of EMI on amplifier circuits. In one method, stray signals on either input are coupled to the opposite input of the amplifier. The result is that ...

Page 14

OP1177/OP2177/OP4177 In order for this circuit to act as a difference amplifier, its output must be proportional to the differential input signal. From Figure 13 Arranging terms and combining the ...

Page 15

F 4.12k ADR421 4.12k 100 100 20 100 RTD 15V 1/2 OP2177 8 +15V Single Op Amp Bridge The low input offset voltage drift of the OP1177 makes it very effective for bridge amplifier ...

Page 16

OP1177/OP2177/OP4177 C2 C1 10nF 10nF + V1 – 1/2 OP2177 1/2 OP2177 + – 50mV R2 10k 33k 33k 7 5 1/2 OP2177 330pF ...

Page 17

OUTLINE DIMENSIONS Dimensions shown in inches and (mm). 8-Lead MINI_SOIC (RM-8) 0.122 (3.10) 0.114 (2.90 0.122 (3.10) 0.199 (5.05) 0.114 (2.90) 0.187 (4.75 PIN 1 0.0256 (0.65) BSC 0.120 (3.05) 0.112 (2.84) 0.043 (1.09) 0.006 (0.15) ...

Page 18

OP1177/OP2177/OP4177 SEATING OUTLINE DIMENSIONS Dimensions shown in inches and (mm). 14-Lead TSSOP (RU-14) 0.201 (5.10) 0.193 (4.90 0.177 (4.50) 0.169 (4.30) 0.256 (6.50) 0.246 (6.25 PIN 1 0.006 (0.15) 0.0433 (1.10) MAX 0.002 (0.05) 8 0.0256 ...

Page 19

Revision History Location Data Sheet changed from REV REV. B. Added OP4177 . . . . . . . . . . . . . . . . . . . . . . . . . . ...

Page 20

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