Description:The ISL59420 is a 420MHz bandwidth 2:1 multiplexing amplifier designed primarily for video switching. This Mux-amp has user-settable gain and also feature a high speed three-state function to enable the output of multiple devices to be wired together. All logic inputs have pull-downs to ground and may be left floating. The ENABLE pin, when pulled high, sets the ISL59420 to the low current power-down mode for power sensitive applications - consuming just 5mW.
SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Cel):
260
Seated Height-Max:
1.1 mm
Supply Voltage-Nom (Vsup):
5 V
Surface Mount:
YES
Technology:
CMOS
Temperature Grade:
INDUSTRIAL
Terminal Finish:
Matte Tin (Sn) - annealed
Terminal Form:
GULL WING
Terminal Pitch:
0.5 mm
Terminal Position:
DUAL
Time@Peak Reflow Temperature-Max (s):
30
Width:
3 mm
ISL59420IUZ Frequently Asked Questions (FAQs)
A good PCB layout for the ISL59420IUZ involves keeping the input and output traces short and separate, using a solid ground plane, and placing decoupling capacitors close to the device. Renesas provides a recommended PCB layout in their application notes and evaluation board documentation.
To ensure stability, make sure to follow the recommended component values and PCB layout, and add a compensation capacitor (C_COMP) between the COMP pin and GND. The value of C_COMP depends on the specific application and can be calculated using the equations provided in the datasheet.
The maximum input voltage that can be applied to the ISL59420IUZ is 42V, but it's recommended to keep the input voltage below 36V to ensure reliable operation and to prevent damage to the device.
The ISL59420IUZ is rated for operation up to 125°C, but the device's performance and reliability may degrade at high temperatures. It's recommended to derate the output current and voltage according to the temperature derating curves provided in the datasheet.
To troubleshoot issues with the ISL59420IUZ, start by checking the input voltage, output voltage, and current. Verify that the device is properly configured and that the recommended component values are used. Check for any signs of overheating, and ensure that the PCB layout is correct. If the issue persists, consult the datasheet and application notes, or contact Renesas technical support for further assistance.
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ISL59420IUZ Overview
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