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E7804BHFT Datasheet(PDF) 3 Page - Semtech Corporation |
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E7804BHFT Datasheet(HTML) 3 Page - Semtech Corporation |
3 / 41 page 3 TEST AND MEASUREMENT PRODUCTS © 2007 Semtech Corp. / Rev. 7, 02/26/07 E7804 www.semtech.com PIN Description (continued) Pin # Pin Name Description Power Supplies 11, 28, 75, 92 VCC[0:3] Analog positive power supply to channel high voltage circuitry (+8.25V). 117 VCC Analog positive power supply to high voltage circuitry (+8.25V). 6, 33, 70, 97 VAA[0:3] Analog positive power supply to channel circuitry (+5.0V nominal). 113 VAA Analog positive power supply to core circuitry (+5.0V nominal). 13, 26, 77, 90, 115 VEE Analog negative power supply (–5.0V nominal). 17, 22, 81, 86 VDD[0:3] Digital positive power supply to channel comparator outputs (+3.3V nominal). 46, 47, 48 VDD Digital positive power supply for core logic (+3.3V nominal). 19, 20, 83, 84 AGND[0:3] Analog ground for channels. 55, 56, 57, 119 DGND Digital ground for chip. 121 VXX Switch positive power supply (VCC to VEE + 15V). Miscellaneous 116 EREF External reference resistor input. REREF should be connected between EREF and AGND. 112 ANODE Anode terminal of the on-chip thermal diode string. The pin is ESD protected to VXX, so when measuring the forward drop of the diode string, VXX should be either floating or ≥2V. Cathode of diode string is connected to DGND. 3, 4, 18, 21, 35, 36, 45, 52, 58, 67, 68, 82, 85, 99, 100, 122 NC No connect pin. No connection is made internally. These pins can be connected to a ground plane to assist in heat removal from the package. |
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