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EL4342ILZA-T13 Datasheet(PDF) 8 Page - Intersil Corporation |
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EL4342ILZA-T13 Datasheet(HTML) 8 Page - Intersil Corporation |
8 / 13 page 8 FN7421.2 February 23, 2006 IEL4342 (32 LD QFN) EL4340 (24 LD QFN) PIN NAME EQUIVALENT CIRCUIT DESCRIPTION 1 8 IN1A Circuit 1 Channel 1 input for output amplifier "A" 2, 4, 8, 13, 15, 24, 28, 30 4, 7, 9, 13, 15, 24 NIC Not Internally Connected; it is recommended these pins be tied to ground to minimize crosstalk. 3 10 IN1B Circuit 1 Channel 1 input for output amplifier "B" 5 12 IN1C Circuit 1 Channel 1 input for output amplifier "C" 6 5 GNDB Circuit 4 Ground pin for output amplifier “B” 7 NA IN2A Circuit 1 Channel 2 input for output amplifier "A" 9 NA IN2B Circuit 1 Channel 2 input for output amplifier "B" 10 NA IN2C Circuit 1 Channel 2 input for output amplifier "C" 11 11 GNDC Circuit 4 Ground pin for output amplifier “C” 12 NA IN3A Circuit 1 Channel 3 input for output amplifier "A" 14 NA IN3B Circuit 1 Channel 3 input for output amplifier "B" 16 NA IN3C Circuit 1 Channel 3 input for output amplifier "C" 17 NA S1 Circuit 2 Channel selection pin MSB (binary logic code) 18 14 S0 Circuit 2 Channel selection pin. LSB (binary logic code) 19 17 OUTC Circuit 3 Output of amplifier “C” 20 18 OUTB Circuit 3 Output of amplifier “B” 21 16 V- Circuit 4 Negative power supply 22 20 OUTA Circuit 3 Output of amplifier “A” 23 19 V+ Circuit 4 Positive power supply 25 22 ENABLE Circuit 2 Device enable (active low). Internal pull-down resistor ensures the device will be active with no connection to this pin. A logic High on this pin puts device into power- down mode. In power-down mode only logic circuitry is active. All logic states are preserved post power-down. This state is not recommended for logic control where more than one MUX-amp share the same video output line. 23 LE Circuit 2 Device latch enable on the EL4340. A logic high on LE will latch the last (S0, S1) logic state. HIZ and ENABLE functions are not latched with the LE pin. 26 21 HIZ Circuit 2 Output disable (active high). Internal pull-down resistor ensures the device will be active with no connection to this pin. A logic high, puts the outputs in a high impedance state. Use this state to control logic when more than one MUX-amp share the same video output line. 27 6 IN0C Circuit 1 Channel 0 for output amplifier "C" 29 3 IN0B Circuit 1 Channel 0 for output amplifier "B" 31 1 IN0A Circuit 1 Channel 0 for output amplifier "A" 32 2 GNDA Circuit 4 Ground pin for output amplifier “A” IN V+ V- LOGIC PIN V+ V- GND 33K 21K + - 1.2V V+ V- OUT CIRCUIT 3 CIRCUIT 1 CIRCUIT 2 V- V+ GNDB CAPACITIVELY COUPLED ESD CLAMP GNDC GNDA CIRCUIT 4 V- THERMAL HEAT SINK PAD ~1M Ω SUBSTRATE EL4340, EL4342 |
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