The EL8170 and EL8173 are micropower instrumentation amplifiers optimized for single supply operation over the +2.4V to +5.5V range. Inputs and outputs can operate rail-to-rail. As with all instrumentation amplifiers, a pair of inputs provide very high common-mode rejection and are completely independent from a pair of feedback terminals. The feedback terminals allow zero input to be translated to any output offset, including ground. A feedback divider controls the overall gain of the amplifier.
The EL8170 is compensated for a gain of 100 or more, and the EL8173 is compensated for a gain of 10 or more. The EL8170 and EL8173 have bipolar input devices for best offset and 1/f noise performance.
The amplifiers can be operated from one lithium cell or two Ni-Cd batteries. The EL8170 and EL8173 input range includes ground to slightly above positive rail. The output stage swings to ground and positive supply (no pull-up or pull-down resistors are needed).
Key Features
- 95µA maximum supply current
- Maximum offset voltage
- 200µV (EL8170)
- 1000µV (EL8173)
- Maximum 3nA input bias current
- 396kHz -3dB bandwidth (G = 10)
- 192kHz -3dB bandwidth (G = 100)
- Single supply operation
- Input voltage range is rail-to-rail
- Output swings rail-to-rail
- Pb-Free (RoHS Compliant)
Applications
- Battery- or Solar-Powered Systems
- Strain Gauges
- Current Monitors
- Thermocouple Amplifiers
Order Information| Part Number | Package Type | Weight(g) | Pins | MSL Rating | Peak Temp (°C) | RoHS Status |
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| EL8170FSZ | 8 Ld SOIC | 0.072 | 8 | 3 | 260 | RoHS |
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| EL8170FSZ-T7 | 8 Ld SOIC T+R | 0.072 | 8 | 3 | 260 | RoHS |
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| EL8170FSZ-T7A | 8 Ld SOIC T+R | 0.072 | 8 | 3 | 260 | RoHS |
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| EL8170IS | 8 Ld SOIC | 0.072 | 8 | | 240 | |
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| EL8170IS-T13 | 8 Ld SOIC T+R | 0.072 | 8 | | 240 | |
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| EL8170IS-T7 | 8 Ld SOIC T+R | 0.072 | 8 | | 240 | |
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| EL8170ISZ | 8 Ld SOIC | 0.072 | 8 | 3 | 260 | RoHS |
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| EL8170ISZ-T13 | 8 Ld SOIC T+R | 0.072 | 8 | 3 | 260 | RoHS |
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| EL8170ISZ-T7 | 8 Ld SOIC T+R | 0.072 | 8 | 3 | 260 | RoHS |
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