OPA2182IDGKR
Operational Amplifiers - Op Amps Industry’s lowest offset drift (0.012 uV/°C, max), 5.7 nV/rtHz, MUX-friendly 36V op amp 8-VSSOP -40 to 125
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Part Number : OPA2182IDGKR
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Package/Case : VSSOP-8
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Brands : TI
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Components Categories : Precision op amps (Vos<1mV)
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Datesheet : OPA2182IDGKR DataSheet (PDF)
Overview of OPA2182IDGKR
The OPA182, OPA2182, and OPA4182 (OPAx182) are ultra-low noise, fast-settling, zero-drift, high-precision operational amplifiers, These devices provide rail-to-rail output operation and feature a unique MUX-friendly architecture and controlled start-up system. These devices also feature excellent ac performance combined with only 0.45 µV of offset voltage and 0.003 µV/°C of drift over temperature. All these features make the OPAx182 a great choice for data acquisition, battery test, analog input modules, weigh scales, and any other systems requiring high dc precision and low noise.
The MUX-friendly input architecture prevents inrush current when applying large input differential voltages and improves settling performance in multichannel systems. Moreover, the controlled start-up system rejects any inrush current when ramping up the supply rails, all while providing robust ESD protection during shipment, handling, and assembly.
The device is specified from –40°C to +125°C.
Key Features
- Ultra-high precision:
- Zero-drift: 0.003 µV/°C
- Ultra-low offset voltage: 4 µV (maximum)
- Excellent dc precision:
- CMRR: 168 dB
- Open-loop gain: 170 dB
- Low noise:
- en at 1 kHz: 5.7 nV/√Hz
- 0.1-Hz to 10-Hz noise: 0.12 µVPP
- Excellent dynamic performance:
- Gain bandwidth: 5 MHz
- Slew rate: 10 V/µs
- Fast settling: 10-V step, 0.01% in 1.7 µs
- Robust design:
- MUX-friendly inputs
- RFI and EMI filtered inputs
- Wide supply: ±2.25 V to ±18 V, 4.5 V to 36 V
- Quiescent current: 0.85 mA
- Rail-to-rail output
- Input includes negative rail
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
Number of channels | 2 | Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) | 36 |
Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) | 4.5 | Vos (offset voltage at 25°C) (max) (mV) | 0.004 |
GBW (typ) (MHz) | 5 | Features | EMI Hardened, MUX Friendly, Zero Drift |
Slew rate (typ) (V/µs) | 10 | Rail-to-rail | Out |
Offset drift (typ) (µV/°C) | 0.003 | Iq per channel (typ) (mA) | 0.85 |
Vn at 1 kHz (typ) (nV√Hz) | 5.7 | CMRR (typ) (dB) | 168 |
Rating | Catalog | Operating temperature range (°C) | -40 to 125 |
Input bias current (max) (pA) | 350 | Iout (typ) (A) | 0.065 |
Architecture | CMOS | Input common mode headroom (to negative supply) (typ) (V) | -0.1 |
Input common mode headroom (to positive supply) (typ) (V) | -2.5 | Output swing headroom (to negative supply) (typ) (V) | 0.005 |
Output swing headroom (to positive supply) (typ) (V) | -0.005 | THD + N at 1 kHz (typ) (%) | 0.00008 |
Warranty & Returns
Warranty, Returns, and Additional Information
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QA & Return Policy
Parts Quality Guarantee: 365 days
Returns for refund: within 90 days
Returns for Exchange: within 90 days
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Shipping and Package
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Parts Packaging Guarantee: Featuring 100% ESD anti-static protection, our packaging incorporates high toughness and superior buffering capabilities.
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