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AD53519 Folha de dados(PDF) 5 Page - Analog Devices |
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AD53519 Folha de dados(HTML) 5 Page - Analog Devices |
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5 / 13 page  PRELIMINARY TECHNICAL DATA AD53519 AD53519 PIN DESCRIPTION PIN# Name Function 1 NC No Connect. Leave pin unconnected. 2 QA One of two complementary outputs for channel A. QA will be at logic HIGH if the analog voltage at the NONINVERTING INPUT is greater than the analog voltage at the INVERTING INPUT (provided the comparator is in the “compare” mode). See LATCH ENABLE channel A for additional information 3 /QA One of two complementary outputs for channel A. /QA will be at logic LOW if the analog voltage at the NONINVERTING INPUT is greater than the analog voltage at the INVERTING INPUT (provided the comparator is in the “compare” mode). See LATCH ENABLE channel A for additional information. 4 GND Analog ground. 5 LEA One of two complementary inputs for channel A Latch Enable. In the “compare” mode (logic HIGH), the output will track changes at the input of the comparator. In the “latch” mode (logic LOW), the output will reflect the input state just prior to the comparator being placed in the “latch” mode. /LEA must be driven in conjunction with LEA. 6 NC No Connect. Leave pin unconnected. 7 /LEA One of two complementary inputs for channel A Latch Enable. In the “compare” mode (logic LOW), the output will track changes at the input of the comparator. In the “latch” mode (logic HIGH), the output will reflect the input state just prior to the comparator being placed in the “latch” mode. LEA must be driven in conjunction with /LEA. 8 VEE Negative Supply Terminal 9 -INA Inverting analog input of the differential input stage for channel A. The INVERTING A INPUT must be driven in conjunction with the NONINVERTING A INPUT. 10 +INA Noninverting analog input of the differential input stage for channel A. The NONINVERTING A INPUT must be driven in conjunction with the INVERTING A INPUT. 11 NC No Connect. Leave pin unconnected. 12 +INB Noninverting analog input of the differential input stage for channel B. The NONINVERTING B INPUT must be driven in conjunction with the INVERTING B INPUT. 13 -INB Inverting analog input of the differential input stage for channel B. The INVERTING B INPUT must be driven in conjunction with the NONINVERTING B INPUT. PIN# Name Function 14 VCC Positive Supply Terminal. 15 /LEB One of two complementary inputs for channel B Latch Enable. In the “compare” mode (logic LOW), the output will track changes at the input of the comparator. In the “latch” mode (logic HIGH), the output will reflect the input state just prior to the comparator being placed in the “latch” mode. LEB must be driven in conjunction with /LEB. 16 NC No Connect. Leave pin unconnected. 17 LEB One of two complementary inputs for channel B Latch Enable. In the “compare” mode (logic HIGH), the output will track changes at the input of the comparator. In the “latch” mode (logic LOW), the output will reflect the input state just prior to the comparator being placed in the “latch” mode. /LEB must be driven in conjunction with LEB. 18 GND Analog ground. 19 /QB One of two complementary outputs for channel B. /QB will be at logic LOW if the analog voltage at the NONINVERTING INPUT is greater than the analog voltage at the INVERTING INPUT (provided the comparator is in the “compare” mode). See LATCH ENABLE channel B for additional information 20 QB One of two complementary outputs for channel B. QB will be at logic HIGH if the analog voltage at the NONINVERTING INPUT is greater than the analog voltage at the INVERTING INPUT (provided the comparator is in the “compare” mode). See LATCH ENABLE channel B for additional information AD53519 PIN CONFIGURATION 32 1 20 19 9 1011 1213 18 17 16 15 14 4 5 6 7 8 TOP VIEW (Not to Scale) PIN 1 IDENTIFIER NC = NO CONNECT GND LEA NC /LEA VEE GND LEB NC /LEB VCC AD53519 Figure 2 REV. Pr J July 22, 2002 - 5 - |
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