DATASHEET ISL59446 FN6261 Rev 3.00 500MHz Triple 4:1 Gain-of-2, Multiplexing Amplifier July 31, 2014 The ISL59446 is a triple channel 4:1 multiplexer featuring Features integrated amplifiers with a fixed gain of 2, high slew rate and 510MHz bandwidth into 150 excellent bandwidth for video switching. The device features a three-state output (HIZ), which allows the outputs of multiple 1600V/s slew rate devices to be tied together. A power-down mode (ENABLE) is High impedance buffered inputs included to turn off unneeded circuitry in power sensitive Internally set gain-of-2 applications. When the ENABLE pin is pulled high, the part enters a power-down mode and consumes just 14mW. High speed three-state outputs (HIZ) TABLE 1. CHANNEL SELECT LOGIC TABLE ISL59446 Power-down mode (ENABLE) S1 S0 ENABLE HIZ OUTPUT 5V operation Supply current 11mA/ch 0 0 0 0 IN0 (A, B, C) Pb-Free (RoHS compliant) 0 1 0 0 IN1 (A, B, C) 1 0 0 0 IN2 (A, B, C) Applications 1 1 0 0 IN3 (A, B, C) HDTV/DTV analog inputs XX 1 X Power-Down Video projectors XX 0 1 High Z Computer monitors Set-top boxes Security video Broadcast video equipment EN0 S0 IN0 (A, B, C) EN1 OUT - S1 IN1 (A, B, C) + DECODE IN2 (A, B, C) EN2 IN3 (A, B, C) EN3 AMPLIFIER BIAS HIZ ENABLE FIGURE 1. FUNCTIONAL DIAGRAM (EACH CHANNEL) FN6261 Rev 3.00 Page 1 of 14 July 31, 2014ISL59446 Ordering Information Pin Configuration PART NUMBER PART TEMP RANGE PACKAGE PKG. (Notes 2, 3) MARKING (C) (Pb-Free) DWG. ISL59446IRZ 59446 IRZ -40 to +85 32 Ld QFN L32.5x6A IN1A 1 25 ENABLE ISL59446IRZ-T7 59446 IRZ -40 to +85 32 Ld QFN L32.5x6A (Note 1) NIC 2 24 NIC x2 NOTES: IN1B 3 23 V+ 1. Please refer to TB347 for details on reel specifications. 2. These Intersil Pb-free plastic packaged products employ special Pb-free NIC 4 22 OUTA material sets, molding compounds/die attach materials, and 100% x2 IN1C 5 21 V- matte tin plate plus anneal (e3 termination finish, which is RoHS compliant and compatible with both SnPb and Pb-free soldering GNDB 6 20 OUTB operations). Intersil Pb-free products are MSL classified at Pb-free THERMAL PAD peak reflow temperatures that meet or exceed the Pb-free IN2A 7 19 OUTC requirements of IPC/JEDEC J STD-020. x2 3. For Moisture Sensitivity Level (MSL), please see device information NIC 8 18 S0 page for ISL59446. For more information on MSL please see tech brief IN2B 9 17 S1 TB363. THERMAL PAD INTERNALLY CONNECTED TO V-. PAD MUST BE TIED TO V- NIC = NO INTERNAL CONNECTION Pin Descriptions ISL59446 EQUIVALENT (32 LD QFN) PIN NAME CIRCUIT DESCRIPTION 1 IN1A Circuit 1 Channel 1 input for output amplifier 2, 4, 8, 13, 15, 24, NIC Not Internally Connected it is recommended these pins be tied to ground to minimize 28, 30 crosstalk. 3 IN1B Circuit 1 Channel 1 input for output amplifier 5 IN1C Circuit 1 Channel 1 input for output amplifier 6 GNDB Circuit 4 Ground pin for output amplifier B 7 IN2A Circuit 1 Channel 2 input for output amplifier 9 IN2B Circuit 1 Channel 2 input for output amplifier 10 IN2C Circuit 1 Channel 2 input for output amplifier 11 GNDC Circuit 4 Ground pin for output amplifier C 12 IN3A Circuit 1 Channel 3 input for output amplifier 14 IN3B Circuit 1 Channel 3 input for output amplifier 16 IN3C Circuit 1 Channel 3 input for output amplifier 17 S1 Circuit 2 Channel selection pin. MSB (binary logic code) 18 S0 Circuit 2 Channel selection pin. LSB (binary logic code) 19 OUTC Circuit 3 Output of amplifier C 20 OUTB Circuit 3 Output of amplifier B 21 V- Circuit 4 Negative power supply 22 OUTA Circuit 3 Output of amplifier A 23 V+ Circuit 4 Positive power supply FN6261 Rev 3.00 Page 2 of 14 July 31, 2014 IN2C 10 32 GNDA GNDC 11 31 IN0A IN3A 12 30 NIC NIC 13 29 IN0B IN3B 14 28 NIC NIC 15 27 IN0C IN3C 16 26 HIZ