bomem-preamp-pga281
Velho
Preamp board output stage using PGA281
Components (16)
| Reference | Value | Description |
|---|---|---|
| U1 | PGA281AxPW | Zero-Drift Programmable Gain Amplifier, 1/8...128 gain, 1V/V or 1,125V/V scaling factor, TSSOP-16 |
| U2 | OPA2197xD | Dual 36V, Precision, Rail-to-Rail Input/Output, Low Offset Voltage, Operational Amplifier, SOIC-8 |
| U3 | ADR421ARMZ | 2.50V Voltage Reference, Ultraprecision, Low Noise, MSOP-8 |
| C1 | 10n | Unpolarized capacitor |
| C3-C5 | 470n | Unpolarized capacitor |
| C6,C7 | 40p | Unpolarized capacitor |
| D1 | LED | Light emitting diode |
| R1 | 47R | Resistor |
| R2 | 100R | Resistor |
| R3,R4 | 22R | Resistor |
| R7 | R | Resistor |
| R8 | 10R | Resistor |
| R9,R12 | 42k | Resistor |
| R10,R11 | 10k | Resistor |
| R13 | 4.7k | Resistor |
| TP1-TP7 | TestPoint | test point |