MAXIM MAX4571, MAX4574 Technical data

I2C is a trademark of Philips Corp.
SPI/QSPI are trademarks of Motorola, Inc.
MICROWIRE is a trademark of National Semiconductor Corp.

For free samples & the latest literature: http://www.maxim-ic.com, or phone [phone].
For small orders, phone [phone].

General Description

The MAX4571–MAX4574 serial-interface controlled
switches are ideal for multimedia applications. Each
device features 35Ω max 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 switch­es and six SPDT switches. The MAX4571/MAX4572 fea­ture 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.

Applications

Set-Top Boxes Audio Systems
PC Multimedia Boards Video Conferencing Systems

Features

♦ Selectable Soft Switching Mode for “Clickless”

Audio Operation

♦ 35Ω max On-Resistance
♦ -90dB Audio Off-Isolation at 20kHz

-50dB Video Off-Isolation at 10MHz

♦ -90dB Audio Crosstalk at 20kHz

-52dB Video Crosstalk at 10MHz

♦ Serial Interface

2-Wire, Fast-Mode, I

2

C-Compatible (MAX4571/72)
3-Wire, SPI/QSPI/MICROWIRE-Compatible
(MAX4573/74)

♦ Single-Supply Operation from +2.7V to +5.25V

MAX4571–MAX4574

Serially Controlled, Clickless

Audio/Video Switches

________________________________________________________________

Maxim Integrated Products

1

28
27
26
25
24
23
22
21
20
19
18
17
16
15

1
2
3
4
5
6
7
8

9
10
11
12
13
14

V+
SDA (DOUT)
SCL (DIN)
A1 (SCLK)
A0 (CS)
GND

COM11

( ) ARE FOR MAX4573

NO8
COM8
NO9
COM9
NO10
COM10
NO11

COM7

NO7

COM6

NO6

COM5

NO5

COM4

NO4

COM3

NO3

COM2

NO2

COM1

NO1

QSOP/SSOP/SO

TOP VIEW

MAX4571/MAX4573

19-1404; Rev 1; 4/99

PART

MAX4571CEI

MAX4571CAI
MAX4571CWI 0°C to +70°C

0°C to +70°C

0°C to +70°C

TEMP. RANGE PIN-PACKAGE

28 QSOP
28 SSOP
28 Wide SO

Pin Configurations

Ordering Information

MAX4571EEI -40°C to +85°C 28 QSOP
MAX4571EAI -40°C to +85°C 28 SSOP
MAX4571EWI -40°C to +85°C 28 Wide SO
MAX4572CEI

0°C to +70°C 28 QSOP
MAX4572CAI 0°C to +70°C 28 SSOP
MAX4572CWI 0°C to +70°C 28 Wide SO
MAX4572EEI -40°C to +85°C 28 QSOP
MAX4572EAI -40°C to +85°C 28 SSOP
MAX4572EWI -40°C to +85°C 28 Wide SO
MAX4573CEI

0°C to +70°C 28 QSOP
MAX4573CAI 0°C to +70°C 28 SSOP
MAX4573CWI 0°C to +70°C 28 Wide SO
MAX4573EEI -40°C to +85°C 28 QSOP
MAX4573EAI -40°C to +85°C 28 SSOP
MAX4573EWI -40°C to +85°C 28 Wide SO
MAX4574CEI

0°C to +70°C 28 QSOP
MAX4574CAI 0°C to +70°C 28 SSOP
MAX4574CWI 0°C to +70°C 28 Wide SO
MAX4574EEI -40°C to +85°C 28 QSOP
MAX4574EAI -40°C to +85°C 28 SSOP
MAX4574EWI -40°C to +85°C 28 Wide SO

Pin Configurations continued at end of data sheet.

查询MAX4571供应商

MAX4571–MAX4574

Serially Controlled, Clickless
Audio/Video Switches

2 _______________________________________________________________________________________

ABSOLUTE MAXIMUM RATINGS

ELECTRICAL CHARACTERISTICS—Single +5V Supply

(V+ = +5V ±5%, TA= T

MIN

to T

MAX

, unless otherwise noted. Typical values are at TA= +25°C.) (Note 2)

Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.

V+ to GND................................................................-0.3V to +6V

NO_ _, COM_, DOUT to GND (Note 1) ........-0.3V to (V+ + 0.3V)

SCL, SDA,

CS, SCLK, DIN, A0, A1 to GND..............-0.3V to +6V

Continuous Current into Any Terminal..............................±10mA

Peak Current (pulsed at 1ms, 10% duty cycle)................±50mA

Continuous Power Dissipation (T

A

= +70°C)

QSOP (derate 10.8mW/°C above +70°C)...................860mW

SSOP (derate 9.5mW/°C above +70°C) .....................762mW

Wide SO (derate 12.5mW/°C above +70°C).............1000mW

Operating Temperature Ranges

MAX457_C_ _ ....................................................0°C to +70°C

MAX457_E_ _..................................................-40°C to +85°C

Storage Temperature Range.............................-65°C to +160°C

Lead Temperature (soldering, 10sec).............................+300°C

VNO_ _ = 4.5V, 1V;
V

COM

_ = 1V, 4.5V;

V+ = 5.25V

I

COM

_ = 4mA;
V+ = 4.75V;
VNO_ _ = 1V, 2V, 3V

I

COM

_ = 4mA,
VNO_ _ = 3V,
V+ = 4.75V

CONDITIONS

V0V+

VNO_ _,

V

COM

_

ANALOG SWITCHES

Analog Signal Range (Note 3)

nA

-0.2 0.01 0.2

INO_ _

(OFF)

NO_ _ Off-Leakage
Current (Note 6)

Ω

2 6

R

FLAT

On-Resistance
Flatness (Note 5)

Ω

25 35

R

ON

On-Resistance

45

Ω

0.8 3

∆R

ON

On-Resistance Match
Between Channels (Note 4)

UNITSMIN TYP MAXSYMBOLPARAMETER

COM_ Off-Leakage
Current (Note 6)

I

COM_ (OFF)

VNO_ _ = 4.5V, 1V;
V

COM

_ = 1V, 4.5V;

V+ = 5.25V

-0.2 0.01 0.2
nA

COM _ On-Leakage
Current (Note 6)

I

COM_ (ON)

V

COM

_ = 4.5V, 1V;
VNO_ _ = 4.5V, 1V, or
floating; V+ = 5.25V

-0.2 0.01 0.2
nA

AUDIO PERFORMANCE

Total Harmonic Distortion
plus Noise

THD+N

fIN= 1kHz, RL = 600Ω, VNO_ _ = 1V

RMS

,

V

NO_ _

= 2.5V

0.07 %

Off-Isolation (Note 7) V

ISO(A)

VNO_ _ = 1V

RMS

, fIN= 20kHz,

RL= 600Ω, Figure 1

-90 dB

Channel-to-Channel Crosstalk V

CT(A)

VNO_ _ = 1V

RMS

, fIN= 20kHz,

RS= 600Ω, Figure 1

-90 dB

I

COM

_ = 4mA,
VNO_ _ = 3V,
V+ = 4.75V

TA= +25°C
TA= T

MIN

to T

MAX

TA= +25°C

TA= +25°C

TA= +25°C

TA= +25°C

TA= +25°C

3

TA= T

MIN

to T

MAX

TA= T

MIN

to T

MAX

6

TA= T

MIN

to T

MAX

TA= T

MIN

to T

MAX

TA= T

MIN

to T

MAX

-10 10

-10 10

-10 10

ANALOG SWITCHES

AUDIO PERFORMANCE

Note 1: Signals on NO_ _ or COM_ exceeding V+ or V- are clamped by internal diodes. Limit forward-diode current to maximum

current rating.

MAX4571–MAX4574

Serially Controlled, Clickless

Audio/Video Switches

_______________________________________________________________________________________ 3

ELECTRICAL CHARACTERISTICS—Single +5V Supply (continued)

(V+ = 5V ±5%, TA= T

MIN

to T

MAX

, unless otherwise noted. Typical values are at TA= +25°C.) (Note 2)

ELECTRICAL CHARACTERISTICS—Single +3V Supply

(V+ = 3V ±10%, TA= T

MIN

to T

MAX

, unless otherwise noted. Typical values are at TA= +25°C.) (Note 2)

I

COM

_ = 4mA,
VNO_ _ =2V,
V+ = 2.7V

TA= +25°C
TA= T

MIN

to T

MAX

TA= +25°C

5TA= T

MIN

to T

MAX

I

COM

_ = 4mA,
VNO_ _ = 2V,
V+ = 2.7V

CONDITIONS

V0V+

VNO_ _,

V

COM

_

ANALOG SWITCHES

Analog Signal Range (Note 3)

Ω

43 90

R

ON

On-Resistance

110

Ω

15

∆R

ON

On-Resistance Match
Between Channels (Note 4)

UNITSMIN TYP MAXSYMBOLPARAMETER

ANALOG SWITCHES

VNO_ _ = 1.5V,
RL= 5kΩ,
CL= 35pF

TA= +25°C
TA= T

MIN

to T

MAX

TA= +25°C

400

fIN= 1MHz

All logic inputs = 0 or V+,
TA= T

MIN

to T

MAX

MAX4572/MAX4574, VNO_ _ = 1.5V,
T

A

= T

MIN

to T

MAX

TA= T

MIN

to T

MAX

VNO_ _ = 1.5V,
RL= 300Ω,
CL= 35pF

CONDITIONS

pF9C

OFF(NO)

Off-Capacitance

µA610I+Supply Current (Note 9)

ns10 125t

BBM

Break-Before-Make Time

ns

200 500

t

ONSD

Turn-On Time

700

ns

75 300

t

OFFSD

Turn-Off Time

UNITSMIN TYP MAXSYMBOLPARAMETER

TA= T

MIN

to T

MAX

V+2.7 +5.25V+Supply Voltage Range

VNO_ _ or = 1.5V, RL= 300Ω, CL= 35pF,
TA= +25°C

ms3t

OFFSE

Turn-Off Time

VNO_ _ = 1.5V, RL= 5kΩ, CL= 35pF,
TA= +25°C

ms8t

ONSE

Turn-On Time

R

SOURCE

= 50Ω, RL= 50Ω MHz>150BW-3dB Bandwidth

VNO_ _ = 1V

RMS

, fIN= 1.0MHz,

RS= 50Ω, Figure 1

dB-52V

CT(V)

Channel-to-Channel Crosstalk

VNO_ _ = 1V

RMS

, fIN= 1.0MHz,

RL= 50Ω, Figure 1

dB-50V

ISO(V)

Off-Isolation (Note 7)

DYNAMIC TIMING WITH CLICKLESS MODE DISABLED (Notes 8 and 12, Figure 2)

DYNAMIC TIMING WITH CLICKLESS MODE ENABLED (Note 8, Figure 2)

POWER SUPPLY

VIDEO PERFORMANCE

MAX4571–MAX4574

Serially Controlled, Clickless
Audio/Video Switches

4 _______________________________________________________________________________________

ELECTRICAL CHARACTERISTICS—Single +3V Supply (continued)

(V+ = +3V ±10%, TA= T

MIN

to T

MAX

, unless otherwise noted. Typical values are at TA= +25°C.) (Note 2)

ns

TA= +25°C

TA= +25°C

TA= T

MIN

to T

MAX

-10 10

TA= T

MIN

to T

MAX

CONDITIONS

COM _ On-Leakage
Current (Notes 6 and 10)

I

COM_ (ON)

V

COM_

= 3V, 0.5V;
VNO_ _ = 3V, 0.5V,
or floating;
V+ = 3.6V

-0.2 0.01 0.2
nA

Total Harmonic Distortion
plus Noise

THD+N

fIN= 1kHz, RL = 600Ω, VNO_ = 0.5V

RMS

,

V

NO_ _

= 1.5V

0.07 %

Off-Isolation (Note 7) V

ISO(A)

V

NO_ _

= 0.5V

RMS

, fIN= 20kHz, RL= 600Ω,

Figure 1

-90 dB

Channel-to-Channel Crosstalk V

CT(A)

V

NO_ _

= 0.5V

RMS

, fIN= 20kHz, RS= 600Ω,

Figure 1

-90 dB

UNITSMIN TYP MAXSYMBOLPARAMETER

Off-Isolation (Note 7) V

ISO(V)

V

NO_ _

= 0.5V

RMS

, fIN= 10MHz, RL= 50Ω,

Figure 1

-50 dB

Channel-to-Channel Crosstalk V

CT(V)

V

NO_ _

= 0.5V

RMS

, fIN= 10MHz, RS= 50Ω,

Figure 1

-52 dB

-3dB Bandwidth BW R

SOURCE

= 50Ω, RL= 50Ω, CL= 35pF >150 MHz

Off Capacitance C

OFF(NO)fIN

= 1MHz 9 pF

Turn-On Time t

ONSD

V

NO_ _

= 1.5V,

RL= 5kΩ, CL= 35pF

300 900

ns

1000

TA= +25°C
TA= T

MIN

to T

MAX

10

On-Resistance
Flatness (Note 5)

R

FLAT

I

COM_

= 4mA;
V+ = 2.7V;
V

NO_ _

= 1V, 5V, 2V

410

Ω

TA= +25°C
TA= T

MIN

to T

MAX

Turn-Off Time t

OFFSD

V

NO_ _

= 1.5V,

RL= 300Ω, CL= 35pF

100 300

400

V

NO_ _

= 1.5V, TA= T

MIN

to T

MAX

Break-Before-Make Time t

BBM

10 200 ns

V

NO_ _

= 1.5V, RL= 5kΩ, CL= 35pF,

TA= +25°C

Turn-On Time t

ONSE

8 ms

V

NO_ _

= 1.5V, RL= 300Ω, CL= 35pF,

TA= +25°C

Turn-Off Time t

OFFSE

3 ms

TA= +25°C
TA= T

MIN

to T

MAX

-10 10

COM_ Off-Leakage
Current (Notes 6 and 10)

I

COM_ (OFF)

V

NO_ _

= 3V, 0.5V;

V

COM

_ = 0.5V, 3V;

V+ = 3.6V

-0.2 0.01 0.2
nA

TA= +25°C
TA= T

MIN

to T

MAX

-10 10

NO_ _Off-Leakage
Current (Notes 6 and 10)

I

NO_ _ (OFF)

V

NO_ _

= 3V, 0.5V;

V

COM

_ = 0.5V, 3V;

V+ = 3.6V

-0.2 0.01 0.2
nA

AUDIO PERFORMANCE

VIDEO PERFORMANCE

DYNAMIC TIMING WITH CLICKLESS MODE DISABLED (Notes 8 and 12, Figure 2)

DYNAMIC TIMING WITH CLICKLESS MODE ENABLED (Notes 8 and 12, Figure 2)

MAX4571–MAX4574

Serially Controlled, Clickless

Audio/Video Switches

_______________________________________________________________________________________ 5

pF5C

IN

Input Capacitance

V0.2V

HYST

Input Hysteresis

UNITSMIN TYP MAXCONDITIONSSYMBOLPARAMETER

µA-1 0.01 1Digital inputs = 0 or V+I

LEAK

Input Leakage Current

V+ = 3V

V+ = 3V 0.6

2

V

3V+ = 5V

V

IH

Input High Voltage

V

0.8V+ = 5V

V

IL

Input Low Voltage

ns

20 +

300

0.1C

b

(Note 11)t

F

SCL/SDA Fall Time

ns

20 +

300

0.1C

b

(Note 11)t

R

SCL/SDA Rise Time

µs0.6t

HIGH

Clock High Period

µs1.3t

LOW

Clock Low Period

ns100t

SU:DAT

Data Setup Time

µs0 0.9t

HD:DAT

Data Hold Time

µs0.6t

HD:STA

START Condition Hold Time

µs1.3t

BUF

Bus Free Time between Stop
and Start Condition

kHzDC 400f

SCL

SCL Clock Frequency

V

V+

- 0.5

I

SOURCE

= 0.5mAV

OH

DOUT Output High Voltage

ns0t

DH

DIN to SCLK Hold

MHzDC 2.1f

OP

Operating Frequency

ns100t

DS

DIN to SCLK Setup

ns20 200C

LOAD

= 50pFt

DO

SCLK Fall to Output Data Valid

I/O INTERFACE CHARACTERISTICS

(V+ = +2.7V to +5.25V, TA= T

MIN

to T

MAX

, unless otherwise noted. Typical values are at TA= +25°C.)

V0.4I

SINK

= 6mAV

OL

Output Low Voltage

ns100t

CSS

CS to SCLK Rise Setup

µs2t

R

Rise Time (SCLK, DIN, CS)

ns0t

CSH

CS to SCLK Rise Hold

ns200t

CL

SCLK Pulse Width Low

µs2t

F

Fall Time (SCLK, DIN, CS)

µs0.6t

SU:STO

STOP Condition Setup Time

ns200t

CSW

CS High Pulse Width

ns200t

CH

SCLK Pulse Width High

DIGITAL INPUTS (SCLK, DIN, CS, SCL, SDA, A0, A1)

DIGITAL OUTPUTS (DOUT, SDA)

2-WIRE INTERFACE TIMING (Figure 3)

3-WIRE TIMING (Figure 5)