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ISL28134FHZ-T7A Folha de dados(PDF) 1 Page - Intersil Corporation

Nome de Peças ISL28134FHZ-T7A
Descrição Electrónicos  5V Ultra Low Noise, Zero Drift Rail-to-Rail Precis Op Amp
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Fabricante Electrônico  INTERSIL [Intersil Corporation]
Página de início  http://www.intersil.com/cda/home
Logo INTERSIL - Intersil Corporation

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DATASHEET
5V Ultra Low Noise, Zero Drift Rail-to-Rail Precision
Op Amp
ISL28134
The ISL28134 is a single, chopper-stabilized zero drift
operational amplifier optimized for single and dual supply
operation from 2.25V to 6.0V and ±1.125V and ±3.0V. The
ISL28134 uses auto-correction circuitry to provide very low input
offset voltage, drift and a reduction of the 1/f noise corner below
0.1Hz. The ISL28134 achieves ultra low offset voltage, offset
temperature drift, wide gain bandwidth and rail-to-rail
input/output swing while minimizing power consumption.
The ISL28134 is ideal for amplifying the sensor signals of analog
front-ends that include pressure, temperature, medical, strain
gauge and inertial sensors down to the µV levels.
The ISL28134 can be used over standard amplifiers with high
stability across the industrial temperature range of -40°C to
+85°C and the full industrial temperature range of -40°C to
+125°C. The ISL28134 is available in an industry standard
pinout SOIC and SOT-23 packages.
Applications
• Medical instrumentation
•Sensor gain amps
• Precision low drift, low frequency ADC drivers
• Precision voltage reference buffers
• Thermopile, thermocouple, and other temperature sensors
front-end amplifiers
• Inertial sensors
• Process control systems
• Weight scales and strain gauge sensors
Features
• Rail-to-rail inputs and outputs
- CMRR at VCM = 0.1V beyond VS. . . . . . . . . . . . . 135dB, typ
-VOH and VOL . . . . . . . . . . . . . . . . . . . . . . .10mV from VS, typ
• No 1/f noise corner down to 0.1Hz
- Input noise voltage . . . . . . . . . . . . . . . . . 10nV/
Hz at 1kHz
- 0.1Hz to 10Hz noise voltage . . . . . . . . . . . . . . . . . 250nVP-P
• Low offset voltage . . . . . . . . . . . . . . . . . . . . . . . . . . 2.5µV, Max
• Superb offset drift . . . . . . . . . . . . . . . . . . . . . . . 15nV/°C, Max
• Single supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.25V to 6.0V
• Dual supply . . . . . . . . . . . . . . . . . . . . . . . . . ±1.125V to ±3.0V
•Low ICC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 675µA, typ
• Wide bandwidth . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.5MHz
• Operating temperature range
- Industrial . . . . . . . . . . . . . . . . . . . . . . . . . . . . -40°C to +85°C
- Full industrial . . . . . . . . . . . . . . . . . . . . . . .-40°C to +125°C
•Packaging
- Single: SOIC, SOT-23
Related Literature
• AN1641, “ISL28134SOICEVAL1Z Evaluation Board User’s
Guide”
• AN1560, “Making Accurate Voltage Noise and Current Noise
Measurements on Operational Amplifiers Down to 0.1Hz”
+
-
ISL28134
ISL26102
24-BIT ADC
ISL21010
5V VREF
+5
+
-
DCP
ISL22316
50kΩ
50kΩ
50Ω
50Ω
ISL28134
FIGURE 1. PRECISION WEIGH SCALE / STRAIN GAUGE
FIGURE 2. VOS HISTOGRAM VS = 5V
-2.0 -1.5 -1.0 -0.5
-2.5
0
200
400
600
800
1000
1200
0
0.5 1.0
1.5 2.0
2.5
1400
Vs = ±2.5V
N = 2796
VCM = 0V
T = -40°C to +125°C
1600
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 2011-2014. 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.
October 14, 2014
FN6957.6


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