Burr-Brown 3652JG Optically-coupled Linear Isolation Amplifier.
New old stock (NOS) in original, unopened package.
BALANCED INPUT
LARGECOMMON-MODE VOLTAGES: ±2000V Continuous 140dB Rejection
ULTRA LOW LEAKAGE: 0.35µA max 240V/60Hz 1.8pF LeakageCapacitance
EXCELLENT GAIN ACCURACY: 0.05% Linearity 0.05%/1000 HrsStability
WIDE BANDWIDTH: ±3dB 1.2V/µs Slew Rate