Datasheet MAX4571, MAX4572, MAX4573, MAX4574 (Maxim)

19-1404; Rev 1; 4/99
Serially Controlled, Clickless Audio/Video Switches MAX4571–MAX4574 General Description Features
The MAX4571–MAX4574 serial-interface controlled ♦
Selectable Soft Switching Mode for “Clickless”
switches are ideal for multimedia applications. Each
Audio Operation
device features 35Ω max on-resistance, -90dB audio off-isolation at 20kHz, -60dB video off-isolation at ♦
35
Ω
max On-Resistance
1.0MHz, and “clickless” mode operation for audio ♦
-90dB Audio Off-Isolation at 20kHz
applications.
-50dB Video Off-Isolation at 10MHz
The MAX4571/MAX4573 contain eleven SPST switches, ♦ while the MAX4572/MAX4574 contain two SPST switch-
-90dB Audio Crosstalk at 20kHz
es and six SPDT switches. The MAX4571/MAX4572 fea-
-52dB Video Crosstalk at 10MHz
ture a 2-wire, I2C™-compatible serial interface. The ♦
Serial Interface
MAX4573/MAX4574 feature a 3-wire, SPI™/QSPI™/
2-Wire, Fast-Mode, I2C-Compatible (MAX4571/72)
MICROWIRE™-compatible serial interface. All four
3-Wire, SPI/QSPI/MICROWIRE-Compatible
parts are available in 28-pin QSOP, SSOP, and wide
(MAX4573/74)
SO packages and operate over the commercial and extended temperature ranges. ♦
Single-Supply Operation from +2.7V to +5.25V Applications Ordering Information
Set-Top Boxes Audio Systems
PART TEMP. RANGE PIN-PACKAGE
PC Multimedia Boards Video Conferencing Systems
MAX4571
CEI 0°C to +70°C 28 QSOP MAX4571CAI 0°C to +70°C 28 SSOP MAX4571CWI 0°C to +70°C 28 Wide SO MAX4571EEI -40°C to +85°C 28 QSOP
Pin Configurations
MAX4571EAI -40°C to +85°C 28 SSOP MAX4571EWI -40°C to +85°C 28 Wide SO
MAX4572
CEI 0°C to +70°C 28 QSOP TOP VIEW MAX4572CAI 0°C to +70°C 28 SSOP MAX4571/MAX4573 MAX4572CWI 0°C to +70°C 28 Wide SO MAX4572EEI -40°C to +85°C 28 QSOP NO1 1 28 V+ MAX4572EAI -40°C to +85°C 28 SSOP COM1 2 27 SDA (DOUT) MAX4572EWI -40°C to +85°C 28 Wide SO NO2 3 26 SCL (DIN)
MAX4573
CEI 0°C to +70°C 28 QSOP COM2 4 25 A1 (SCLK) MAX4573CAI 0°C to +70°C 28 SSOP NO3 5 24 A0 (CS) MAX4573CWI 0°C to +70°C 28 Wide SO COM3 6 23 GND MAX4573EEI -40°C to +85°C 28 QSOP NO4 7 22 NO8 MAX4573EAI -40°C to +85°C 28 SSOP MAX4573EWI -40°C to +85°C 28 Wide SO COM4 8 21 COM8
MAX4574
CEI 0°C to +70°C 28 QSOP NO5 9 20 NO9 MAX4574CAI 0°C to +70°C 28 SSOP COM5 10 19 COM9 MAX4574CWI 0°C to +70°C 28 Wide SO NO6 11 18 NO10 MAX4574EEI -40°C to +85°C 28 QSOP COM6 12 17 COM10 MAX4574EAI -40°C to +85°C 28 SSOP NO7 13 16 NO11 MAX4574EWI -40°C to +85°C 28 Wide SO COM7 14 15 COM11
QSOP/SSOP/SO
I2C is a trademark of Philips Corp. ( ) ARE FOR MAX4573 SPI/QSPI are trademarks of Motorola, Inc. Pin Configurations continued at end of data sheet. MICROWIRE is a trademark of National Semiconductor Corp.
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