Serially Controlled, 4-Channel Audio/Video Multiplexers MAX4586/MAX4587
12Pages

For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800. For small orders, phone 1-800-835-8769. General Description The MAX4586/MAX4587 serial-interface, programmable, 4-to-1 channel multiplexers are ideal for multimedia applications. They feature 65½ on-resistance, 4½ onresistance matching between channels, and 5½ onresistance flatness. Additionally, they feature -83dB off-isolation at 20kHz and -48dB off-isolation at 10MHz, with -84dB crosstalk at 20kHz and -60dB crosstalk at 10MHz. The MAX4586 uses a 2-wire, I2C™-compatible serial interface; the MAX4587 uses a 3-wire, SPI™/QSPI™/ MICROWIRE™-compatible interface. Both devices are available in 10-pin ìMAX packages and are specified for the extended -40°C to +85°C temperature range. Applications Cellular Phones and Accessories Private Mobile Radios (PMRs) PC Multimedia Audio/Video Routing Industrial Equipment Set-Top Boxes Video Conferencing High-End Audio Equipment Features © +2.7V to +5.5V Single-Supply Operation © 4-to-1 Channel Multiplexer © 65½ (max) RON with +5V Supply © Audio Performance -83dB Off-Isolation at 20kHz -84dB Crosstalk at 20kHz © Video Performance -48dB Off-Isolation at 10MHz -60dB Crosstalk at 10MHz © Serial Interface 2-Wire, I2C Compatible (MAX4586) 3-Wire, SPI/QSPI/MICROWIRE Compatible (MAX4587) MAX4586/MAX4587 Serially Controlled, 4-Channel Audio/Video Multiplexers ________________________________________________________________ Maxim Integrated Products 1 10 9 8 7 6 1 2 3 4 5 NO4 NO3 NO2 ( ) ARE FOR MAX4587 ONLY. SCL(SCLK) NO1 V+ SDA (DIN) A (CS) COM TOP VIEW GND mMAX MAX4586 MAX4587 19-1511; Rev 0; 8/99 PART MAX4586EUB MAX4587EUB -40°C to +85°C -40°C to +85°C TEMP. RANGE PIN-PACKAGE 10 ìMAX 10 ìMAX Pin Configuration/ Functional Diagram Ordering Information I2C is a trademark of Philips Corp. SPI/QSPI are trademarks of Motorola, Inc. MICROWIRE is a trademark of National Semiconductor Corp.

Serially Controlled, 4-Channel Audio/Video Multiplexers _______________________________________________________________________________________ 3 MAX4586/MAX4587 ELECTRICAL CHARACTERISTICS—Single +5V Supply (continued) (V+ = +5V ±5%, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.) (Note 2) TA = TMIN to TMAX TA = +25°C TA = TMIN to TMAX TA = +25°C 250 VNO_ = 2.5V, RL = 300½, CL = 35pF ns 125 200 Turn-Off Time tOFF 500 VNO_ = 2.5V, RL = 5k½, CL = 35pF ns 275 400 Turn-On Time tON All logic inputs = 0 or V+ CL = 1.0nF, VS = 0, RS = 0, Figure 7 fIN = 1MHz CONDITIONS...

MAX4586/MAX4587 Serially Controlled, 4-Channel Audio/Video Multiplexers 4 _______________________________________________________________________________________ ELECTRICAL CHARACTERISTICS—Single +3V Supply (V+ = +3V ±10%, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.) TA = +25°C TA = TMIN to TMAX 130 On-Resistance RON V+ = 2.7V, VNO_ = 1V, ICOM = 4mA 65 110 ½ Analog Signal Range (Note 3) VNO_, VCOM 0 V+ V TA = +25°C TA = TMIN to TMAX 12 On-Resistance Flatness (Note 5) RFLAT V+ = 2.7V; VNO_ = 1V, 1.5V, 2V; ICOM = 4mA 3 10 ½ ns TA = +25°C TA = +25°C TA = TMIN...

MAX4586/MAX4587 Serially Controlled, 4-Channel Audio/Video Multiplexers _______________________________________________________________________________________ 5 I/O INTERFACE CHARACTERISTICS (V+ = +2.7V to +5.25V, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.) 2-WIRE TIMING CHARACTERISTICS (Figures 1 and 2, V+ = +2.7V to +5.25V, fSCL = 100kHz, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS ns 20 + 0.1C 300 B SCL/SDA Rise Time (Note 11) tR Clock High Period tHIGH 4.0 ìs Clock Low...

MAX4586/MAX4587 Serially Controlled, 4-Channel Audio/Video Multiplexers 6 _______________________________________________________________________________________ 3-WIRE TIMING CHARACTERISTICS (Figures 3 and 4, V+ = +2.7V to +5.25V, fOP = 2.1MHz, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.) CS Pulse Width High tCSW 40 ns PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS CS Fall to SCLK Rise Setup tCSS 100 ns 2 ìs DIN to SCLK Hold tDH 0 ns MHz V+ = 2.7V to 5.25V 0 2.1 Operating Frequency fOP DIN to SCLK Setup tDS 100 ns Rise Time (SCLK, DIN, CS) tR CS Rise to SCLK...

MAX4586/MAX4587 Detailed Description The MAX4586/MAX4587 are serial-interface, programmable multiplexers. Each device contains a 4-to-1 normally open (NO) multiplexer. Each switch is independently controlled through the on-chip serial interface. The MAX4586 uses a 2-wire, I2C-compatible serial communications protocol, and the MAX4587 uses a 3-wire, SPI/QSPI/ MICROWIRE-compatible serial communications protocol. These devices operate from a single +2.7V to +5.5V supply and are optimized for use with an audio frequency at 20kHz and video frequencies up to 10MHz. They feature 65½ on-resistance,...

Start and Stop Conditions The bus master signals the beginning of a transmission with a start condition by transitioning SDA from high to low while SCL is high. When the bus master has finished communicating with the slave device, it issues a stop condition by transitioning SDA from low to high while SCL is high. The bus master is then free for another transmission. Slave Address (Address Byte) The MAX4586 uses an 8-bit-long slave address. To select a slave address, connect A to V+ or GND. The MAX4586 has two possible slave addresses, so a maximum of two of these devices may share the same...

MAX4586/MAX4587 nizes its address (01101A10), it acknowledges that it is ready for further communication by pulling the SDA line low for one clock period. 3-Wire Serial Interface The MAX4587 3-wire serial interface is SPI/QSPI/ MICROWIRE compatible. An active-low chip-select (CS) input enables the device to receive data for the serial input (DIN). Data is clocked in on the rising edge of the serial-clock (SCLK) signal. A total of 8 bits is needed in each write cycle. The first bit clocked into the MAX4587 is the command byte’s MSB, and the last bit clocked in is the data byte’s LSB. The...