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PDF OP184 Data sheet ( Hoja de datos )
| Número de pieza | OP184 | |
| Descripción | Precision Rail-to-Rail Input & Output Operational Amplifiers | |
| Fabricantes | Analog Devices | |
| Logotipo |  |
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Precision Rail-to-Rail
Input and Output Operational Amplifiers
OP184/OP284/OP484
FEATURES
Single-supply operation
Wide bandwidth: 4 MHz
Low offset voltage: 65 μV
Unity-gain stable
High slew rate: 4.0 V/ μs
Low noise: 3.9 nV/√Hz
APPLICATIONS
Battery-powered instrumentation
Power supply control and protection
Telecommunications
DAC output amplifier
ADC input buffer
GENERAL DESCRIPTION
The OP184/OP284/OP484 are single, dual, and quad single-supply,
4 MHz bandwidth amplifiers featuring rail-to-rail inputs and
outputs. They are guaranteed to operate from 3 V to 36 V (or
±1.5 V to ±18 V).
These amplifiers are superb for single-supply applications requiring
both ac and precision dc performance. The combination of wide
bandwidth, low noise, and precision makes the OP184/OP284/
OP484 useful in a wide variety of applications, including filters
and instrumentation.
Other applications for these amplifiers include portable telecom-
munications equipment, power supply control and protection,
and use as amplifiers or buffers for transducers with wide output
ranges. Sensors requiring a rail-to-rail input amplifier include
Hall effect, piezoelectric, and resistive transducers.
The ability to swing rail-to-rail at both the input and output
enables designers to build multistage filters in single-supply
systems and to maintain high signal-to-noise ratios.
The OP184/OP284/OP484 are specified over the hot extended
industrial temperature range of −40°C to +125°C. The single
OP184 is available in 8-lead SOIC surface mount packages. The
dual OP284 is available in 8-lead PDIP and SOIC surface mount
packages. The quad OP484 is available in 14-lead PDIP and
14-lead, narrow-body SOIC packages.
Table 1. Low Noise Op Amps
Voltage Noise
0.9 nV
Single
AD797
Dual
Quad
1.1 nV
AD8597
AD8599
1.8 nV
ADA4004-1
ADA4004-2
ADA4004-4
Rev. J
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibilityisassumedbyAnalogDevices for itsuse,nor foranyinfringementsofpatentsor 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.
PIN CONFIGURATIONS
DNC 1
OP184 8 NC
–IN A 2
+IN A 3
V– 4
–
+
TOP VIEW
(Not to Scale)
7 V+
6 OUT A
5 DNC
NOTES
1. NC = NO CONNECT
2. DNC = DO NOT CONNECT
Figure 1. 8-Lead SOIC (S-Suffix)
OUT A 1
OP284
8 V+
–IN A 2
7 OUT B
+IN A 3
6 –IN B
V– 4
TOP VIEW
(Not to Scale)
5 +IN B
Figure 2. 8-Lead PDIP (P-Suffix)
8-Lead SOIC (S-Suffix)
OUT A 1
–IN A 2
+IN A 3
V+ 4
+IN B 5
–IN B 6
OUT B 7
OP484
TOP VIEW
(Not to Scale)
14 OUT D
13 –IN D
12 +IN D
11 V–
10 +IN C
9 –IN C
8 OUT C
Figure 3. 14-Lead PDIP (P-Suffix)
14-Lead Narrow-Body SOIC (S-Suffix)
2.8 nV
AD8675/ADA4075-2
AD8676
3.2 nV
OP27
OP270
OP470
3.8 nV
AD8671
AD8672
AD8674
3.9 nV
OP184
OP284
OP484
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 ©1996–2011 Analog Devices, Inc. All rights reserved.
1 page  
OP184/OP284/OP484
VS = ±15.0 V, VCM = 0 V, TA = 25°C, unless otherwise noted.
Table 4.
Parameter
INPUT CHARACTERISTICS
Offset Voltage, OP184/OP284E Grade1
Offset Voltage, OP184/OP284F Grade1
Offset Voltage, OP484E Grade1
Offset Voltage, OP484F Grade1
Input Bias Current
Input Offset Current
Input Voltage Range
Common-Mode Rejection Ratio
Large Signal Voltage Gain
Offset Voltage Drift E Grade
Bias Current Drift
OUTPUT CHARACTERISTICS
Output Voltage High
Output Voltage Low
Output Current
POWER SUPPLY
Power Supply Rejection Ratio
Supply Current/Amplifier
Supply Current/Amplifier
DYNAMIC PERFORMANCE
Slew Rate
Full-Power Bandwidth
Settling Time
Gain Bandwidth Product
Phase Margin
NOISE PERFORMANCE
Voltage Noise
Voltage Noise Density
Current Noise Density
Symbol Conditions
VOS
−40°C ≤ TA ≤ +125°C
VOS
−40°C ≤ TA ≤ +125°C
VOS
−40°C ≤ TA ≤ +125°C
VOS
−40°C ≤ TA ≤ +125°C
IB
−40°C ≤ TA ≤ +125°C
IOS −40°C ≤ TA ≤ +125°C
CMRR
AVO
ΔVOS/ΔT
ΔVB/ΔT
VCM = −14.0 V to +14.0 V, −40°C ≤ TA ≤ +125°C
VCM = −15.0 V to +15.0 V
RL = 2 kΩ, −10 V ≤ VO ≤ 10 V
RL = 2 kΩ, −40°C ≤ TA ≤ +125°C
VOH IL = 1.0 mA
VOL IL = 1.0 mA
IOUT
PSRR
ISY
ISY
VS = ±2.0 V to ±18 V, −40°C ≤ TA ≤ +125°C
VO = 0 V, −40°C ≤ TA ≤ +125°C
VS = ±18 V, −40°C ≤ TA ≤ +125°C
SR RL = 2 kΩ
BWp 1% distortion, RL = 2 kΩ, VO = 29 V p-p
tS To 0.01%, 10 V step
GBP
ΦM
en p-p
en
in
0.1 Hz to 10 Hz
f = 1 kHz
Min Typ Max
Unit
100
200
175
375
150
300
250
500
80 450
575
50
−15 +15
86 90
80
150 1000
75
0.2 2.00
150
μV
μV
μV
μV
μV
μV
μV
μV
nA
nA
nA
V
dB
dB
V/mV
V/mV
μV/°C
pA/°C
14.8 V
−14.875 V
±10 mA
90 dB
2.0 mA
2.25 mA
2.4 4.0
35
4
4.25
50
V/µs
kHz
µs
MHz
Degrees
0.3 µV p-p
3.9 nV/√Hz
0.4 pA/√Hz
1 Input offset voltage measurements are performed by automated test equipment approximately 0.5 seconds after application of power.
Rev. J | Page 5 of 24
5 Page 
160
TA = 25°C
140
120
100
80
VS = ±15V
60
40 VS = +5V
20
0
–20 VS = +3V
–40
10
100 1k 10k 100k 1M 10M
FREQUENCY (Hz)
Figure 29. PSRR vs. Frequency
80
VS = ±2.5V
70
TA = 25°C, AVCL = 1
VIN = ±50mV
60
50
–OS
40
+OS
30
20
10
0
10 100
CAPACITIVE LOAD (pF)
Figure 30. Small Signal Overshoot vs. Capacitive Load
1000
7
6
+SLEW RATE
5
–SLEW RATE
4
VS = ±15V
RL = 2kΩ
3
+SLEW RATE
2
–SLEW RATE
1 VS = ±5V
RL = 2kΩ
0
–50 –25
0
25 50 75 100 125
TEMPERATURE (°C)
Figure 31. Slew Rate vs. Temperature
OP184/OP284/OP484
30
±2.5V ≤ VS ≤ ±15V
TA = 25°C
25
20
15
10
5
0
1 10 100
FREQUENCY (Hz)
Figure 32. Voltage Noise Density vs. Frequency
1000
10
±2.5V ≤ VS ≤ ±15V
TA = 25°C
8
6
4
2
0
1 10 100
FREQUENCY (Hz)
Figure 33. Current Noise Density vs. Frequency
1000
5
VS = 5V
4 TA = 25°C
3
2
1
0 0.1%
0.01%
–1
–2
–3
–4
–5
012345
SETTLING TIME (µs)
Figure 34. Step Size vs. Settling Time
6
Rev. J | Page 11 of 24
11 Page | ||
| Páginas | Total 24 Páginas | |
| PDF Descargar | [ Datasheet OP184.PDF ] | |
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