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ISL59420 датащи(PDF) 8 Page - Intersil Corporation |
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ISL59420 датащи(HTML) 8 Page - Intersil Corporation |
8 / 12 page 8 FN7459.1 September 22, 2005 Pin Descriptions PIN NUMBER PIN NAME Equivalent Circuit DESCRIPTION 1 S0 Circuit 2 Channel selection pin LSB (binary logic code) 2 GND Circuit 4 Ground pin 3 IN0 Circuit 1 Input for channel 0 4 ENABLE Circuit 2 Device enable (active low); there are internal pull-down resistors, so the device will be active with no connection; "HI" puts device into power-down mode. 5 IN1 Circuit 1 Input for channel 1 6 HIZ Circuit 2 Output disable (active high); there are internal pull-down resistors, so the device will be active with no connection; “HI” puts the output in high impedance state. 7 V- Circuit 4 Negative power supply 8 V+ Circuit 4 Positive power supply 9 OUT Circuit 3 Output 10 IN- Circuit 1 Inverting input of output amplifier IN V+ V- LOGIC PIN V+ V- GND. 33k 21k + - 1.2V CIRCUIT 1. CIRCUIT 2. V+ V- OUT CIRCUIT 3. V- V+ CAPACITIVELY COUPLED ESD CLAMP GND CIRCUIT 4. AC Test Circuits FIGURE 24A. TEST CIRCUIT FOR MEASURING WITH A 50 Ω OR 75 Ω INPUT TERMINATED EQUIPMENT FIGURE 24B. BACKLOADED TEST CIRCUIT FOR VIDEO CABLE APPLICATION. BANDWIDTH AND LINEARITY FOR RL LESS THAN 500Ω WILL BE DEGRADED. NOTE: Figure 24A illustrates the optimum output load when connecting to input terminated equipment. Figure 24B illustrates backloaded test circuit for video cable applications. ISL59420 RS CL VIN TEST 50 Ω or 75 Ω 50 Ω or 75 Ω 50 Ω or 75 Ω Av = 1, 2 475 Ω or 462.5 Ω RG RF EQUIPMENT ISL59420 RS CL VIN 50 Ω or 75Ω TEST 50 Ω or 75 Ω 50 Ω or 75 Ω Av = 1, 2 RG RF EQUIPMENT ISL59420 |
Аналогичный номер детали - ISL59420 |
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Аналогичное описание - ISL59420 |
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