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PDF OP2177 Data sheet ( Hoja de datos )
| Número de pieza | OP2177 | |
| Descripción | Precision Low Noise / Low Input Bias Current Operational Amplifiers | |
| Fabricantes | Analog Devices | |
| Logotipo |  |
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FEATURES
Low offset voltage: 60 μV maximum
Very low offset voltage drift: 0.7 μV/°C maximum
Low input bias current: 2 nA maximum
Low noise: 8 nV/√Hz typical
CMRR, PSRR, and AVO > 120 dB minimum
Low supply current: 400 μA per amplifier
Dual supply operation: ±2.5 V to ±15 V
Unity-gain stable
No phase reversal
Inputs internally protected beyond supply voltage
APPLICATIONS
Wireless base station control circuits
Optical network control circuits
Instrumentation
Sensors and controls
Thermocouples
Resistor thermal detectors (RTDs)
Strain bridges
Shunt current measurements
Precision filters
Precision Low Noise, Low Input
Bias Current Operational Amplifiers
OP1177/OP2177/OP4177
PIN CONFIGURATIONS
NC 1
8 NC
–IN
+IN
OP1177
V+
OUT
V– 4
5 NC
NC = NO CONNECT
Figure 1. 8-Lead MSOP (RM Suffix)
NC 1
–IN 2
+IN 3
V– 4
OP1177
8 NC
7 V+
6 OUT
5 NC
NC = NO CONNECT
Figure 2. 8-Lead SOIC_N (R Suffix)
OUT A
–IN A
+IN A
V–
18
OP2177
45
V+
OUT B
–IN B
+IN B
Figure 3. 8-Lead MSOP (RM Suffix)
OUT A 1
–IN A 2
+IN A 3
V– 4
OP2177
8 V+
7 OUT B
6 –IN B
5 +IN B
Figure 4. 8-Lead SOIC_N (R Suffix)
OUT A 1
–IN A 2
14 OUT D
13 –IN D
+IN A 3
12 +IN D
V+ 4 OP4177 11 V–
+IN B 5
10 +IN C
–IN B 6
9 –IN C
OUT B 7
8 OUT C
Figure 5. 14-Lead SOIC_N (R Suffix)
OUT A
–IN A
+IN A
V+
+IN B
–IN B
OUT B
1 14
OP4177
78
OUT D
–IN D
+IN D
V–
+IN C
–IN C
OUT C
Figure 6. 14-Lead TSSOP (RU Suffix)
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 consump-
tion. Outputs are stable with capacitive loads of over 1000 pF
with no external compensation. Supply current is less than 500 μA
per amplifier at 30 V. Internal 500 Ω series resistors 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 (single) and OP2177 (dual) amplifiers
are available in tiny 8-lead surface-mount MSOP and 8-lead
narrow SOIC packages. The OP4177 (quad) is available in
TSSOP and 14-lead narrow SOIC packages. Moreover, specified
performance in the MSOP and the TSSOP is identical to
performance in the SOIC package. MSOP and TSSOP are
available in tape and reel only.
The 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 detection in optical and wireless transmission systems.
Additional applications include line-powered and portable
instrumentation and controls—thermocouple, RTD, strain-
bridge, and other sensor signal conditioning—and precision filters.
Rev. G
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. Specifications subject to change without notice. No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
www.analog.com
Fax: 781.461.3113 ©2001–2009 Analog Devices, Inc. All rights reserved.
1 page  
ABSOLUTE MAXIMUM RATINGS
Table 3.
Parameter
Supply Voltage
Input Voltage
Differential Input Voltage
Storage Temperature Range
R, RM, and RU Packages
Operating Temperature Range
OP1177/OP2177/OP4177
Junction Temperature Range
R, RM, and RU Packages
Lead Temperature, Soldering (10 sec)
Rating
36 V
VS− to VS+
±Supply Voltage
−65°C to +150°C
−40°C to +125°C
−65°C to +150°C
300°C
Stresses above those listed under Absolute Maximum Ratings
may cause permanent damage to the device. This is a stress
rating only; functional operation of the device at these or any
other conditions above those indicated in the operational
section of this specification is not implied. Exposure to absolute
maximum rating conditions for extended periods may affect
device reliability.
OP1177/OP2177/OP4177
THERMAL RESISTANCE
θJA is specified for the worst-case conditions, that is, a device
soldered in a circuit board for surface-mount packages.
Table 4. Thermal Resistance
Package Type
8-Lead MSOP (RM-8)1
8-Lead SOIC_N (R-8)
14-Lead SOIC_N (R-14)
14-Lead TSSOP (RU-14)
θJA
190
158
120
240
1 MSOP is available in tape and reel only.
θJC
44
43
36
43
Unit
°C/W
°C/W
°C/W
°C/W
ESD CAUTION
Rev. G | Page 5 of 24
5 Page 
50
45
VSY = ±5V
RL = 2kΩ
40 VIN = 100mV
35
30
25
+OS
20
15
10
–OS
5
0
1 10 100 1k 10k
CAPACITANCE (pF)
Figure 37. Small Signal Overshoot vs. Load Capacitance
VSY = ±5V
RL = 10kΩ
AV = –100
0V VIN = 200mV
–15V
OUTPUT
+200mV
0V
INPUT
TIME (4µs/DIV)
Figure 38. Positive Overvoltage Recovery
5V OUTPUT
0V
INPUT
0V
VSY = ±5V
RL = 10kΩ
AV = –100
VIN = 200mV
–200mV
TIME (4µs/DIV)
Figure 39. Negative Overvoltage Recovery
OP1177/OP2177/OP4177
INPUT
VS = ±5V
AV = 1
RL = 10kΩ
GND
OUTPUT
TIME (200µs/DIV)
Figure 40. No Phase Reversal
140
120
100
80
60
40
20
0
10
VSY = ±5V
100 1k 10k 100k
FREQUENCY (Hz)
Figure 41. CMRR vs. Frequency
1M
10M
200
180
160
140
120
100
80
60
40
20
0
10
VSY = ±5V
–PSRR
+PSRR
100 1k 10k 100k
FREQUENCY (Hz)
Figure 42. PSRR vs. Frequency
1M
10M
Rev. G | Page 11 of 24
11 Page | ||
| Páginas | Total 24 Páginas | |
| PDF Descargar | [ Datasheet OP2177.PDF ] | |
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