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ISL28134SOICEVAL1Z PDF预览

ISL28134SOICEVAL1Z

更新时间: 2024-09-19 01:09:15
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瑞萨 - RENESAS /
页数 文件大小 规格书
25页 1760K
描述
5V Ultra Low Noise, Zero Drift Rail-to-Rail Precision Op Amp

ISL28134SOICEVAL1Z 数据手册

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DATASHEET  
ISL28134  
FN6957  
Rev 6.00  
October 14, 2014  
5V Ultra Low Noise, Zero Drift Rail-to-Rail Precision Op Amp  
The ISL28134 is a single, chopper-stabilized zero drift  
Features  
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.  
• Rail-to-rail inputs and outputs  
- CMRR at V = 0.1V beyond V . . . . . . . . . . . . . 135dB, typ  
CM  
S
- V and V . . . . . . . . . . . . . . . . . . . . . . .10mV from V , typ  
OH OL  
S
• No 1/f noise corner down to 0.1Hz  
- Input noise voltage . . . . . . . . . . . . . . . . . 10nV/Hz at 1kHz  
- 0.1Hz to 10Hz noise voltage. . . . . . . . . . . . . . . . . 250nV  
P-P  
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.  
• 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  
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.  
• Low I . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 675µA, typ  
CC  
• Wide bandwidth . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.5MHz  
• Operating temperature range  
Applications  
• Medical instrumentation  
- Industrial. . . . . . . . . . . . . . . . . . . . . . . . . . . . -40°C to +85°C  
- Full industrial . . . . . . . . . . . . . . . . . . . . . . .-40°C to +125°C  
• Sensor gain amps  
• Packaging  
• Precision low drift, low frequency ADC drivers  
• Precision voltage reference buffers  
- Single: SOIC, SOT-23  
Related Literature  
• Thermopile, thermocouple, and other temperature sensors  
front-end amplifiers  
AN1641, “ISL28134SOICEVAL1Z Evaluation Board User’s  
Guide”  
• Inertial sensors  
AN1560, “Making Accurate Voltage Noise and Current Noise  
Measurements on Operational Amplifiers Down to 0.1Hz”  
• Process control systems  
• Weight scales and strain gauge sensors  
1600  
V
V
= ±2.5V  
CM  
s
1400  
1200  
1000  
800  
= 0V  
+5  
T = -40°C to +125°C  
N = 2796  
ISL28134  
+
ISL26102  
50Ω  
50Ω  
ISL22316  
24-BIT ADC  
-
50kΩ  
ISL21010  
5V VREF  
600  
50kΩ  
-
400  
DCP  
+
200  
0
ISL28134  
-2.5 -2.0 -1.5 -1.0 -0.5  
0
0.5 1.0 1.5 2.0 2.5  
FIGURE 1. PRECISION WEIGH SCALE / STRAIN GAUGE  
FIGURE 2. V HISTOGRAM V = 5V  
OS  
S
FN6957 Rev 6.00  
October 14, 2014  
Page 1 of 25  

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