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What is MAX4574?

This electronic component, produced by the manufacturer "Maxim Integrated", performs the same function as "Serially Controlled / Clickless Audio/Video Switches".


MAX4574 Datasheet PDF - Maxim Integrated

Part Number MAX4574
Description Serially Controlled / Clickless Audio/Video Switches
Manufacturers Maxim Integrated 
Logo Maxim Integrated Logo 


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19-1404; Rev 1; 4/99
Serially Controlled, Clickless
Audio/Video Switches
General Description
The MAX4571–MAX4574 serial-interface controlled
switches are ideal for multimedia applications. Each
device features 35max on-resistance, -90dB audio
off-isolation at 20kHz, -60dB video off-isolation at
1.0MHz, and “clickless” mode operation for audio
applications.
The MAX4571/MAX4573 contain eleven SPST switches,
while the MAX4572/MAX4574 contain two SPST switch-
es and six SPDT switches. The MAX4571/MAX4572 fea-
ture a 2-wire, I2C™-compatible serial interface. The
MAX4573/MAX4574 feature a 3-wire, SPI™/QSPI™/
MICROWIRE™-compatible serial interface. All four
parts are available in 28-pin QSOP, SSOP, and wide
SO packages and operate over the commercial and
extended temperature ranges.
Features
o Selectable Soft Switching Mode for “Clickless”
Audio Operation
o 35max On-Resistance
o -90dB Audio Off-Isolation at 20kHz
-50dB Video Off-Isolation at 10MHz
o -90dB Audio Crosstalk at 20kHz
-52dB Video Crosstalk at 10MHz
o Serial Interface
2-Wire, Fast-Mode, I2C-Compatible (MAX4571/72)
3-Wire, SPI/QSPI/MICROWIRE-Compatible
(MAX4573/74)
o Single-Supply Operation from +2.7V to +5.25V
Set-Top Boxes
PC Multimedia Boards
Applications
Audio Systems
Video Conferencing Systems
Pin Configurations
TOP VIEW
MAX4571/MAX4573
NO1 1
COM1 2
NO2 3
COM2 4
NO3 5
COM3 6
NO4 7
COM4 8
NO5 9
COM5 10
NO6 11
COM6 12
NO7 13
COM7 14
28 V+
27 SDA (DOUT)
26 SCL (DIN)
25 A1 (SCLK)
24 A0 (CS)
23 GND
22 NO8
21 COM8
20 NO9
19 COM9
18 NO10
17 COM10
16 NO11
15 COM11
PART
MAX4571CEI
MAX4571CAI
MAX4571CWI
MAX4571EEI
MAX4571EAI
MAX4571EWI
MAX4572CEI
MAX4572CAI
MAX4572CWI
MAX4572EEI
MAX4572EAI
MAX4572EWI
MAX4573CEI
MAX4573CAI
MAX4573CWI
MAX4573EEI
MAX4573EAI
MAX4573EWI
MAX4574CEI
MAX4574CAI
MAX4574CWI
MAX4574EEI
MAX4574EAI
MAX4574EWI
Ordering Information
TEMP. RANGE
0°C to +70°C
0°C to +70°C
0°C to +70°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
0°C to +70°C
0°C to +70°C
0°C to +70°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
0°C to +70°C
0°C to +70°C
0°C to +70°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
0°C to +70°C
0°C to +70°C
0°C to +70°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
PIN-PACKAGE
28 QSOP
28 SSOP
28 Wide SO
28 QSOP
28 SSOP
28 Wide SO
28 QSOP
28 SSOP
28 Wide SO
28 QSOP
28 SSOP
28 Wide SO
28 QSOP
28 SSOP
28 Wide SO
28 QSOP
28 SSOP
28 Wide SO
28 QSOP
28 SSOP
28 Wide SO
28 QSOP
28 SSOP
28 Wide SO
( ) ARE FOR MAX4573
QSOP/SSOP/SO
Pin Configurations continued at end of data sheet.
I2C is a trademark of Philips Corp.
SPI/QSPI are trademarks of Motorola, Inc.
MICROWIRE is a trademark of National Semiconductor Corp.
________________________________________________________________ Maxim Integrated Products 1
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.

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MAX4574 equivalent
Serially Controlled, Clickless
Audio/Video Switches
I/O INTERFACE CHARACTERISTICS
(V+ = +2.7V to +5.25V, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.)
PARAMETER
SYMBOL
CONDITIONS
DIGITAL INPUTS (SCLK, DIN, CS, SCL, SDA, A0, A1)
Input Low Voltage
V+ = 5V
VIL V+ = 3V
Input High Voltage
V+ = 5V
VIH V+ = 3V
Input Hysteresis
VHYST
Input Leakage Current
ILEAK Digital inputs = 0 or V+
Input Capacitance
CIN
DIGITAL OUTPUTS (DOUT, SDA)
Output Low Voltage
VOL ISINK = 6mA
DOUT Output High Voltage
VOH ISOURCE = 0.5mA
MIN
3
2
-1
V+
- 0.5
2-WIRE INTERFACE TIMING (Figure 3)
SCL Clock Frequency
fSCL
DC
Bus Free Time between Stop
and Start Condition
tBUF
1.3
START Condition Hold Time
STOP Condition Setup Time
Data Hold Time
Data Setup Time
Clock Low Period
Clock High Period
SCL/SDA Rise Time
tHD:STA
tSU:STO
tHD:DAT
tSU:DAT
tLOW
tHIGH
tR (Note 11)
0.6
0.6
0
100
1.3
0.6
20 +
0.1Cb
SCL/SDA Fall Time
tF (Note 11)
20 +
0.1Cb
3-WIRE TIMING (Figure 5)
Operating Frequency
DIN to SCLK Setup
DIN to SCLK Hold
SCLK Fall to Output Data Valid
CS to SCLK Rise Setup
CS to SCLK Rise Hold
CS High Pulse Width
SCLK Pulse Width Low
SCLK Pulse Width High
Rise Time (SCLK, DIN, CS)
Fall Time (SCLK, DIN, CS)
fOP
tDS
tDH
tDO
tCSS
tCSH
tCSW
tCL
tCH
tR
tF
CLOAD = 50pF
DC
100
20
100
0
200
200
200
TYP
0.2
0.01
5
MAX UNITS
0.8
V
0.6
V
V
1 µA
pF
0.4 V
V
400 kHz
µs
µs
µs
0.9 µs
ns
µs
µs
300 ns
300 ns
2.1 MHz
ns
0 ns
200 ns
ns
ns
ns
ns
ns
2 µs
2 µs
_______________________________________________________________________________________ 5


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