High Voltage, Differential18-Bit ADC DriverData SheetADA4922-1FEATURESFUNCTIONAL BLOCK DIAGRAMSingle-ended-to-differential conversionADA4922-1Low distortion (VTOP VIEWO, dm = 40 V p-p)−99 dBc HD at 100 kHzNIC 18 INLow differential output referred noise: 12 nV/√HzREF 27 DISHigh input impedance: 11 MΩV36 VFixed gain of 2S+S–No external gain components requiredOUT+ 45 OUT–Low output-referred offset voltage: 1.1 mV maximumNOTES 001 Low input bias current: 3.5 μA maximum1. EXPOSED PAD MUST BE CONNECTED TO GND. 681- 2. NIC = NO INTERAL CONNECTION. 05 Wide supply range Figure 1. 5 V to 26 V Can produce differential output signals in excess of 40 V p-pHigh speed38 MHz, −3 dB bandwidth at 0.2 V p-p differential outputFast settling time200 ns to 0.01% for 12 V step on ±5 V suppliesDisable featureAvailable in space-saving, thermally enhanced packages8-lead, 3 mm × 3 mm LFCSP The ADA4922-1 is manufactured on Analog Devices, Inc., 8-lead SOIC proprietary, second-generation XFCB process that enables the Low supply current: IS = 10 mA on ±12 V supplies amplifier to achieve excellent noise and distortion performance