el4331 Intersil Corporation, el4331 Datasheet
el4331
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el4331 Summary of contents
Page 1
... inputs by the TTL/CMOS compatible, common A/B control pin. The EL4331 has a power-down mode, in which the total supply current drops to less than 1mA. In this mode, each output will appear as a high impedance. The EL4331 runs from standard ±5V supplies, and is available in the narrow 16-pin small outline package. The package is specified for operation over the full -40° ...
Page 2
... Settling Time to 0.1% of Final Value S T Time to Switch Inputs AB OS Overshoot OUT 2 EL4331 Input Current, Any Input 5mA Power Dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . See curves Ambient Operating Temperature . . . . . . . . . . . . . . . .-40°C to +85°C Junction Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150°C -0. +0.3V Storage Temperature . . . . . . . . . . . . . . . . . . . . . . . .-65°C to +15 0° - ...
Page 3
... OFF_PD Typical Performance Curves 3dB Bandwidth Small Signal Transmit Response Switching from Ground to An Uncorrelated Sine Wave and Back Switching Glitch with 2ns AB edges 3 EL4331 = +5V -0.5V, Ambient Temperature = 25° DESCRIPTION Large Signal Transient Response Switching a Family of DC Levels to Ground and Back ...
Page 4
... Switching a Family of DC Levels to a Sine Wave and Back Output Power-Down Turn-Off Response Frequency Response with 150: and 5pF Load 4 EL4331 (Continued) Output Response In and Out of Power-Down with a Family of DC Inputs Output Power-Down Turn-On Response Frequency Response with 240: and 5pF ...
Page 5
... Typical Performance Curves Frequency Response with 150: and Various Values of Capacitive Load A-Input to B-Input Isolation Supply Current vs Power-Down Voltage 5 EL4331 (Continued) Frequency Response with 240: and Various Values of Capacitive Load Channel to Channel Isolation -3dB BW vs Supply Voltage ...
Page 6
... Slew Rate vs Supply Voltage Total Harmonic Distortion JEDEC JESD51-7 HIGH EFFECTIVE THERMAL CONDUCTIVITY TEST BOARD 1.8 1.6 1.563W 1.4 1.2 1 0.8 0.6 0.4 0 AMBIENT TEMPERATURE (°C) 6 EL4331 (Continued) Output Voltage Swing vs Supply Voltage 1.2 1 SO16 (0.150”) T =80°C/W JA 0.8 0.6 0.4 0 100 125 150 Slew Rate vs Temperature ...
Page 7
... Due to the fact that video signals often have negative sync levels and invariably require ground to be within the signal swing, running the EL4331 on a single supply rail compromises many aspects of its performance difficult to generate a solid, clean, pseudo ground a few volts away from ground without using more power, and components than simply providing a negative power rail ...
Page 8
... Photograph A2 shows the glitch between steps 4 and 5; this is the worst glitch since all three banks of EL4331s are switching together. The magnitude of this glitch is affected by the timing skew of the select lines, the physical length of the traces, and the difference in amplitude of the two signals ...
Page 9
... Note: No supply bypass capacitors shown and only one of three channels shown. FIGURE 3. A HIGH SPEED, 8:1 COMPONENT VIDEO MULTIPLEXER PHOTOGRAPH A1 PHOTOGRAPH A3 9 EL4331 TABLE 1. CHANNEL SELECTION TABLE BIT2 BIT1 PHOTOGRAPH A2 PHOTOGRAPH A4 BIT0 OUTPUT 0 SIG0 ...
Page 10
... Figure 4 shows one of the three channels of a component video, 8:1 multiplexer. In this example, the power-down capability is used to save on EL4331s, but as can be seen, the control part does become more complicated. Using the power-down mode for multiplexing does, of course, slow down the speed with which one can select a given input channel ...