DATASHEET ISL28110, ISL28210 FN6639 Rev 3.00 Precision Low Noise JFET Operational Amplifiers November 29, 2012 The ISL28110, ISL28210, are single and dual JFET amplifiers Features featuring low noise, high slew rate, low input bias current and Wide supply range . 9V to 40V offset voltage, making them the ideal choice for high impedance applications where precision and low noise are Low voltage noise . 6nV/Hz important. The combination of precision, low noise, and high Input bias current . 2pA speed combined with a small footprint provides the user with High slew rate . 23V/s outstanding value and flexibility relative to similar competitive parts. High bandwidth 12.5MHz Applications for these amplifiers include precision medical Low input offset . 300V, Max and analytical instrumentation, sensor conditioning, precision Offset drift . Grade C 10V/C power supply controls, industrial controls and photodiode Low current consumption .2.55mA amplifiers. Operating temperature range -40C to +125C The ISL28110 single amplifier and the ISL28210 dual amplifiers are available in the 8 Ld SOIC package. All devices Small package offerings in single, and dual are offered in standard pin configurations and operate over the No phase reversal extended temperature range from -40C to +125C. Pb-Free (RoHS compliant) Applications Precision instruments Photodiode amplifiers High impedance buffers Medical instrumentation Active filter blocks Industrial controls Related Literature AN1594 ISL28210SOICEVAL1Z Evaluation Board Users Guide R F 10 V = 15V S 8 C F 6 4 V 2 + 0 - -2 PHOTO R C OUTPUT SH T DIODE -4 + -6 -8 -10 V - -15 -10 -5 0 5 10 15 V (V) BASIC APPLICATION CIRCUIT - PHOTODIODE AMPLIFIER CM FIGURE 1. TYPICAL APPLICATION FIGURE 2. INPUT BIAS CURRENT vs COMMON MODE INPUT VOLTAGE FN6639 Rev 3.00 Page 1 of 23 November 29, 2012 NORMALIZED INPUT BIAS CURRENT (pA)ISL28110, ISL28210 Pin Configuration ISL28110 ISL28210 (8 LD SOIC) (8 LD SOIC) TOP VIEW TOP VIEW NC 1 8 NC V A 1 8 V OUT + -IN A 2 7 V + - + -IN A 2 - + 7 V B OUT +IN A 3 6 V A OUT +IN A 3 6 -IN B + - V 4 5 NC - V 4 5 +IN B - Pin Descriptions ISL28110 ISL28210 PIN (8 LD SOIC) (8 LD SOIC) NAME EQUIVALENT CIRCUIT DESCRIPTION 3 3 +IN A Circuit 1 Amplifier A non-inverting input 2 2 -IN A Circuit 1 Amplifier A inverting input 61 V A Circuit 2 Amplifier A output OUT 44 V Circuit 3 Negative power supply - 5 +IN B Circuit 1 Amplifier B non-inverting input 6 -IN B Circuit 1 Amplifier B inverting input 7V B Circuit 2 Amplifier B output OUT 78 V Circuit 3 Positive power supply + 1, 5, 8 NC No connect PAD Thermal Pad is electrically isolated from active circuitry. Pad can float, connect to Ground or to a potential source that is free from signals or noise sources. V + V V + + CAPACITIVELY OUT IN- IN+ TRIGGERED ESD CLAMP V - V - V - CIRCUIT 1 CIRCUIT 2 CIRCUIT 3 FN6639 Rev 3.00 Page 2 of 23 November 29, 2012