Allicdata Part #: | MAX44250AUA+T-ND |
Manufacturer Part#: |
MAX44250AUA+T |
Price: | $ 0.00 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Maxim Integrated |
Short Description: | IC OPAMP AUTO-ZERO 10MHZ 8UMAXZero-Drift Amplifier... |
More Detail: | N/A |
DataSheet: | MAX44250AUA+T Datasheet/PDF |
Quantity: | 1000 |
Series: | -- |
Packaging: | Tape & Reel (TR) |
Part Status: | Active |
Amplifier Type: | Zero-Drift |
Number of Circuits: | 1 |
Output Type: | Rail-to-Rail |
Slew Rate: | 8 V/µs |
Gain Bandwidth Product: | 10MHz |
-3db Bandwidth: | -- |
Current - Input Bias: | 200pA |
Voltage - Input Offset: | 3µV |
Current - Supply: | 1.22mA |
Current - Output / Channel: | 96mA |
Voltage - Supply, Single/Dual (±): | 2.7 V ~ 20 V, ±1.35 V ~ 10 V |
Operating Temperature: | -40°C ~ 125°C |
Mounting Type: | Surface Mount |
Package / Case: | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) |
Supplier Device Package: | 8-uMAX |
Base Part Number: | MAX44250 |
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1. Description
MAX44250AUA+T/MAX44251/MAX44252 are 20V, ultra-precision, low-noise, low-drift amplifiers that provide close to zero DC offset and drift through the use of patented autocorrelation zeroing technology. This method continuously measures and compensates for the input offset, eliminating the drift with time and temperature and the influence of 1/f noise. These single, dual, and quad devices have rail-to-rail outputs and consume only 1.15mA each time on a single 2.7V to 20V power supply or dual ±1.35V to ±10V power supplies Channel, while providing 5.9nV/√Hz input reference voltage noise. IC has unity gain with stable gain bandwidth 10MHz products. Has excellent specifications, such as offset voltage 6µV (maximum), 19nV/°C (maximum) drift and 123nVP-P noise 0.1Hz to 10Hz, IC is very suitable for application Need ultra-low noise and DC accuracy, such as pressure sensors, strain gauges, precision Scales and medical equipment. These ICs have 5-pin SOT23, 8-pin SOT23, 8-pin µMAX® and 14-pin SO packages with ratings exceeding -40°C to +125°C temperature range.
2. Features
1. High precision enables precision signal chain get
- 6μV input offset voltage (maximum) indoors temperature
- TCVOS of 19nV/°C (maximum)
- Low 5.9nV/√Hz input reference voltage noise
- 123nVP-P at 0.1Hz to 10Hz
- 10MHz gain bandwidth product
- Rail-to-rail output
- Fast 400ns setup time
2. 2.7V to 20V power supply range support Wide range of sensors
3. Integrated EMI filter reduces the influence of radio Frequency interference of signal chain performance
3. Pin configuration
4. Application
1. Strain gauge
2. Pressure sensor
3. Medical equipment
4. Precision instruments
5. Amplification of load cell and bridge sensor
5. ADC buffer amplifier
Low input offset of MAX44250/MAX44251/MAX44252 Voltage, low noise and fast settling time make these Ideal amplifier for ADC buffers. Weight scale is a Applications that usually require low noise and high voltage The amplifier in front of the ADC. Figure 1 details an example Load cell and amplifier driven by the same Q10V Power supply, and MAX11211 18-bit delta sigma ADC. The load cell produces very small voltage changes Their output and therefore drive the excitation source Higher voltage will produce wider dynamic range It can be measured at the ADC input. MAX11211 ADC operating voltage is 2.7V to 3.6V Analog power supply, providing 18-bit noise-free resolution and 0.86mW power consumption. MAX11211 also offers> 100dB rejection at 50Hz and 60Hz. This ADC is 16-bit, 18-bit, 20-bit, and 24-bit delta-sigma ADC series with High precision and <1mW power consumption. Low input offset of MAX44250/MAX44251/MAX44252 Voltage and low noise allow before the gain circuit The MAX11211 will not lose any dynamic range of the ADC.
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