MAX4574 查看數據表（PDF） - Maxim Integrated

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MAX4574

Serially Controlled, Clickless Audio/Video Switches

Maxim Integrated 

Serially Controlled, Clickless

Audio/Video Switches

Note 2: The algebraic convention is used in this data sheet; the most negative value is shown in the minimum column.

Note 3: Guaranteed by design. Not subject to production testing.

Note 4: ∆RON = RON(MAX) - RON(MIN).

Note 5: Resistance flatness is defined as the difference between the maximum and minimum on-resistance values, as measured

over the specified analog signal range.

Note 6: Leakage parameters are 100% tested at maximum rated temperature, and guaranteed by correlation at TA = +25°C.

Note 7: Off-isolation = 20 log [VCOM_ / VNO_ _ ], VCOM_ = output, VNO_ _ = input to off switch.

Note 8: All timing is measured from the rising clock edge of the ACK bit for 2-wire, and from the rising edge of CS for 3-wire. Turn-

off time is defined at the output of the switch for a 0.5V change, tested with a 300Ω load to ground. Turn-on time is mea-

sured with a 5kΩ load resistor to GND. All timing is shown with respect to 20% V+ and 70% V+, unless otherwise noted.

Note 9: Supply current can be as high as 2mA per switch during switch transitions in the clickless mode, corresponding to a 28mA

total supply transient current requirement.

Note 10: Leakage testing for single-supply operation is guaranteed by testing with a single +5.25V supply.

Note 11: Cb = capacitance of one bus line in pF. Tested with Cb = 400pF.

Note 12: Typical values are for MAX4573/MAX4574 devices.

(V+ = +5V, TA = +25°C, unless otherwise noted.)

Typical Operating Characteristics

ON-RESISTANCE vs. VCOM

50

45

V+ = 2.7V

40

35

V+ = 3.3V

30

25

V+ = 5.0V

20

0

1

2

3

4

5

VCOM (V)

SUPPLY CURRENT vs. TEMPERATURE

5.1

ON-RESISTANCE vs.

VCOM AND TEMPERATURE

32

30

TA = +85°C

28

TA = +70°C

26

TA = +25°C

24

22

20

TA = -40°C

18

0

1

2

3

4

5

VCOM (V)

CHARGE INJECTION vs. VCOM

3

LEAKAGE CURRENT vs. TEMPERATURE

100

10

1

COM_ OFF

0.1

NO_ _ OFF

0.01

0.001

-40 -20

NO_ _ ON

0 20 40 60 80

TEMPERATURE (°C)

ON/OFF TIME vs. TEMPERATURE

(HARD MODE)

600

5.0

2

500

4.9

1

400

tON, V+ = 3V

4.8

0

300

tON, V+ = 5V

4.7

4.6

4.5

-40 -20 0 20 40 60 80

TEMPERATURE (°C)

-1

-2

-3

0

1

2

3

4

5

VCOM (V)

200

100

0

-40 -20

tOFF, V+ = 3V

tOFF, V+ = 5V

0 20 40 60 80

TEMPERATURE (°C)

6 _______________________________________________________________________________________

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