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PDF ISL28227 Data sheet ( Hoja de datos )
| Número de pieza | ISL28227 | |
| Descripción | (ISL28127 / ISL28227) Precision Single And Dual Low Noise Operational Amplifiers | |
| Fabricantes | Intersil Corporation | |
| Logotipo |  |
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DATASHEET
Precision Single and Dual Low Noise Operational
Amplifiers
ISL28127, ISL28227
The ISL28127 and ISL28227 are very high precision amplifiers
featuring very low noise, low offset voltage, low input bias
current and low temperature drift making them the ideal
choice for applications requiring both high DC accuracy and AC
performance. The combination of precision, low noise, and
small footprint provides the user with outstanding value and
flexibility relative to similar competitive parts.
Applications for these amplifiers include precision active
filters, medical and analytical instrumentation, precision
power supply controls, and industrial controls.
The ISL28127 single and ISL28227 dual are available in an 8
Ld SOIC, TDFN and MSOP packages. All devices are offered in
standard pin configurations and operate over the extended
temperature range to -40°C to +125°C.
Features
• Very Low Voltage Noise . . . . . . . . . . . . . . . . . . . . . . . .2.5nV/Hz
• Low Input Offset . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70µV, Max.
• Superb Offset Drift. . . . . . . . . . . . . . . . . . . . . . 0.5µV/°C, Max.
• Input Bias Current . . . . . . . . . . . . . . . . . . . . . . . . . . 10nA, Max.
• Wide Supply Range . . . . . . . . . . . . . . . . . . . . . . . . .4.5V to 40V
• Gain-bandwidth Product . . . . . . . . . 10MHz Unity Gain Stable
• No Phase Reversal
Applications
• Precision Instruments
• Medical Instrumentation
• Industrial Controls
• Active Filter Blocks
• Data Acquisition
• Power Supply Control
Related Literature
• AN1508: ISL281x7SOICEVAL1Z Evaluation Board User’s
Guide
• AN1509: ISL282x7SOICEVAL1Z Evaluation Board User’s
Guide
VIN
C1
1.5nF
V+
-
R1 R2
95.3
232
68.3nF
+
C2 V-
OUTPUT
Sallen-Key Low Pass Filter (1MHz)
FIGURE 1. TYPICAL APPLICATION
100
VS = ±19V
AV = 1
10
1
0.1
1
10 100 1k
FREQUENCY (Hz)
10k 100k
FIGURE 2. INPUT NOISE VOLTAGE SPECTRAL DENSITY
September 10, 2015
FN6633.7
1
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-468-3774 |Copyright Intersil Americas LLC 2009, 2010, 2015. All Rights Reserved
Intersil (and design) is a trademark owned by Intersil Corporation or one of its subsidiaries.
All other trademarks mentioned are the property of their respective owners.
1 page  
ISL28127, ISL28227
Electrical Specifications VS ±15V, VCM = 0, VO = 0V, RL = Open, TA= +25°C, unless otherwise noted. Boldface limits apply over
the operating temperature range, -40°C to +125°C. (Continued)
PARAMETER
TCVOS
DESCRIPTION
Offset Voltage Drift;
SOIC Package
Offset Voltage Drift;
MSOP, Grade B
Offset Voltage Drift;
TDFN, Grade B
Offset Voltage Drift;
MSOP, TDFN, Grade B
Offset Voltage Drift;
MSOP, TDFN, Grade C
IOS Input Offset Current
CONDITIONS
ISL28127
ISL28227
ISL28127
ISL28127
ISL28227
ISL28127
ISL28227
MIN MAX
(Note 8) TYP (Note 8)
UNIT
-0.5 0.1 0.5 µV/°C
-0.75 0.1 0.75 µV/°C
-0.80 0.1 0.80 µV/°C
-0.90 0.1 0.90 µV/°C
-0.75 0.1 0.75 µV/°C
-1 0.1 1 µV/°C
-10 1 10
-12 - 12
nA
nA
IB Input Bias Current
-10 1
-12 -
10
12
nA
nA
VCM Input Voltage Range
Guaranteed by CMRR
-13 -
-12 -
13
12
V
V
CMRR
Common-Mode Rejection Ratio
PSRR
AVOL
VOH
Power Supply Rejection Ratio
ISL28127
Power Supply Rejection Ratio
ISL28227
Open-Loop Gain
Output Voltage High
VCM = -13V to +13V
VCM = -12V to +12V
VS = ±2.25V to ±20V
VS = ±3V to ± 20V
VS = ±2.25V to ±20V
VS = ±3V to ± 20V
VO = -13V to +13V
RL = 10k to ground
RL = 10k to ground
115
115
115
115
110
110
1000
13.5
13.2
120
-
125
-
117
-
1500
13.65
-
-
-
-
-
-
-
-
-
-
dB
dB
dB
dB
dB
dB
V/mV
V
V
RL = 2k to ground
13.4
13.1
13.5
-
-
-
V
V
VOL Output Voltage Low
RL = 10k to ground
-
-13.65
-13.5
- - -13.2
V
V
RL = 2k to ground
-
-13.5
-13.4
- - -13.1
V
V
IS Supply Current/Amplifier
- 2.2 2.8 mA
-
- 3.7
mA
ISC Short-Circuit
VSUPPLY
Supply Voltage Range
AC SPECIFICATIONS
RL = 0to ground
Guaranteed by PSRR
-
±2.25
±45
-
-
±20
mA
V
GBW
enp-p
en
en
Gain Bandwidth Product
Voltage Noise
Voltage Noise Density
Voltage Noise Density
0.1Hz to 10Hz
f = 10Hz
f = 100Hz
- 10 -
MHz
- 85 - nVP-P
- 3 - nV/Hz
- 2.8 - nV/Hz
5 FN6633.7
September 10, 2015
5 Page 
ISL28127, ISL28227
Typical Performance Curves VS = ±15V, VCM = 0V, RL = Open, unless otherwise specified. (Continued)
70
VS = ±15V
60
50
40
30
20
10
0
-27 -18
-9
0
9 18 27
IOS TC (pA/°C)
FIGURE 21. INPUT OFFSET CURRENT DISTRIBUTION, VS = ±15V
50
45 VS = ±5V
40
35
30
25
20
15
10
5
0
-30 -24 -18 -12 -6 0 6 12 18 24 30
IOS TC (pA/°C)
FIGURE 22. INPUT OFFSET CURRENT DISTRIBUTION, VS = ±5V
14.2
14.1
14.0
50 UNITS
MEDIAN
13.9
13.8
13.7
RL = 100k
13.6
13.5
RL = 2k
13.4
13.3
13.2
-40 -20 0
20 40 60 80 100 120
TEMPERATURE (°C)
FIGURE 23. VOH vs TEMPERATURE, VS = ±15V
-13.1
-13.2
-13.3
50 UNITS
MEDIAN
-13.4
-13.5
RL = 2k
-13.6
-13.7
-13.8
RL = 100k
-13.9
-14.0
-14.1
-14.2-40 -20 0
20 40 60 80 100
TEMPERATURE (°C)
FIGURE 24. VOL vs TEMPERATURE, VS = ±15V
120
200
180
160
140
120
100
80
60
40
20
0
-20
-40
-60
RL = 10k
CL = 10pF
-80 SIMULATION
-100
0.1m1m 10m100m 1
PHASE
GAIN
10 100 1k 10k100k1M 10M100M
FREQUENCY (Hz)
FIGURE 25. OPEN-LOOP GAIN, PHASE vs FREQUENCY,
RL = 10kCL = 10pF
200
180
160
140
120
100
80
60
40
20
0
-20 RL = 10k
-40
-60
CL = 100pF
-80 SIMULATION
-100
0.1m1m 10m100m 1
PHASE
GAIN
10 100 1k 10k100k1M 10M100M
FREQUENCY (Hz)
FIGURE 26. OPEN-LOOP GAIN, PHASE vs FREQUENCY,
RL = 10kCL = 100pF
11 FN6633.7
September 10, 2015
11 Page | ||
| Páginas | Total 27 Páginas | |
| PDF Descargar | [ Datasheet ISL28227.PDF ] | |
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