OPA4188AIDR
Precision Amplifiers 0.03uV/C,Low Noise RRO,36V Zero-Drift
Inventory:5,485
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Part Number : OPA4188AIDR
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Package/Case : SOIC-14
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Brands : TI
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Components Categories : AmplifiersInstrumentation, OP Amps, Buffer Amps
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Datesheet : OPA4188AIDR DataSheet (PDF)
Overview of OPA4188AIDR
The OPA4188 operational amplifier uses TI proprietary auto-zeroing techniques to provide low offset voltage (25 µV, maximum), and near zero-drift over time and temperature. These miniature, high-precision, low quiescent current amplifiers offer high input impedance and rail-to-rail output swing within 15 mV of the rails, making them ideal for industrial applications. The input common-mode range includes the negative rail. Either single or dual supplies can be used in the range of 4 V to 36 V (±2 V to ±18 V).
The quad version is available in 14-pin SOIC and 14-pin TSSOP packages. All versions are specified for operation from –40°C to 125°C.
Key Features
- Low Offset Voltage: 25 µV (Maximum)
- Zero-Drift: 0.03 µV/°C
- Low Noise: 8.8 nV/√Hz
0.1-Hz to 10-Hz Noise: 0.25 µVPP - Excellent DC Precision:
PSRR: 142 dB
CMRR: 146 dB
Open-Loop Gain: 136 dB - Gain Bandwidth: 2 MHz
- Quiescent Current: 475 µA (Maximum)
- Wide Supply Range: ±2 V to ±18 V
- Rail-to-Rail Output:
Input Includes Negative Rail - RFI Filtered Inputs
- MicroSIZE Packages
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
| Number of channels | 4 | Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) | 36 |
| Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) | 4 | Vos (offset voltage at 25°C) (max) (mV) | 0.025 |
| GBW (typ) (MHz) | 2 | Features | EMI Hardened, Zero Drift |
| Slew rate (typ) (V/µs) | 0.8 | Rail-to-rail | In to V-, Out |
| Offset drift (typ) (µV/°C) | 0.03 | Iq per channel (typ) (mA) | 0.415 |
| Vn at 1 kHz (typ) (nV√Hz) | 8.8 | CMRR (typ) (dB) | 134 |
| Rating | Catalog | Operating temperature range (°C) | -40 to 125 |
| Input bias current (max) (pA) | 1400 | Iout (typ) (A) | 0.018 |
| Architecture | CMOS | Input common mode headroom (to negative supply) (typ) (V) | 0 |
| Input common mode headroom (to positive supply) (typ) (V) | -1.5 | Output swing headroom (to negative supply) (typ) (V) | 0.22 |
| Output swing headroom (to positive supply) (typ) (V) | -0.22 | THD + N at 1 kHz (typ) (%) | 0.0001 |
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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