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MAX4602CWE+中文资料

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General Description

The MAX4601/MAX4602/MAX4603 quad analog switches feature low on-resistance of 2.5?max. On-resistance is matched between switches to 0.5?max and is flat (0.5?max) over the specified signal range. Each switch can handle Rail-to-Rail ?analog signals. The off-leakage current is only 2.5nA maximum at T A = +85°C.These analog switches are ideal in low-distortion appli-cations and are the preferred solution over mechanical relays in automatic test equipment or applications where current switching is required. They have low power requirements, require less board space, and are more reliable than mechanical relays.

The MAX4601 has four normally closed (NC) switches,the MAX4602 has four normally open (NO) switches, and the MAX4603 has two NC and two NO switches.

These switches operate from a single supply of +4.5V to +36V or from dual supplies of ±4.5V to ±20V. All dig-ital inputs have +0.8V and +2.4V logic thresholds,ensuring TTL/CMOS-logic compatibility when using ±15V or a single +12V supply.

Applications

Reed Relay Replacement Test Equipment

Communication Systems PBX, PABX Systems Audio-Signal Routing Avionics

Features

o Low On-Resistance (2.5?max)

o Guaranteed R ON Match Between Channels (0.5?max)o Guaranteed R ON Flatness over Specified Signal Range (0.5?max)o Rail-to-Rail Signal Handling

o Guaranteed ESD Protection > 2000V per Method 3015.7o Single-Supply Operation: +4.5V to +36V Dual-Supply Operation: ±4.5V to ±20V o TTL/CMOS-Compatible Control Inputs

MAX4601/MAX4602/MAX4603

2.5?, Quad, SPST,

CMOS Analog Switches

________________________________________________________________Maxim Integrated Products

1

19-3961; Rev 0; 1/99

MAX4602CWE+中文资料

Ordering Information continued at end of data sheet.

Ordering Information

MAX4602CWE+中文资料

Pin Configurations/Functional Diagrams/Truth Tables

Rail-to-Rail is a registered trademark of Nippon Motorola, Ltd.

M A X 4601/M A X 4602/M A X 4603

2.5?, Quad, SPST,

CMOS Analog Switches 2_______________________________________________________________________________________

ABSOLUTE MAXIMUM RATINGS

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 +44V V- to GND..............................................................+0.3V to -44V V+ to V-...................................................................-0.3V to +44V V L to GND.......................................(GND - 0.3V) to (V+ + 0.3V)All Other Pins to DGND (Note 1)..........(V- - 0.3V) to (V+ + 0.3V) Continuous Current (COM_, NO_, NC_) ........................±200mA Peak Current (COM_, NO_, NC_)

(pulsed at 1ms, 10% duty cycle)................................±300mA

Continuous Power Dissipation (T A = +70°C)

16 SSOP (derate 7.1mW/°C above +70°C)..................571mW 16 Wide SO (derate 9.52mW/°C above +70°C)............762mW 16 Plastic DIP (derate 10.53mW/°C above +70°C)......842mW Operating Temperature Ranges

MAX460_C_E ......................................................0°C to +70°C MAX460_E_E....................................................-40°C to +85°C Storage Temperature Range.............................-65°C to +160°C Lead Temperature (soldering, 10sec).............................+300°C

MAX4602CWE+中文资料

ELECTRICAL CHARACTERISTICS—Dual Supplies

(V+ = +15V, V- = -15V, V L = 5V, V IN_H = 2.4V, V IN_L = 0.8V, T A = T MIN to T MAX , unless otherwise noted. Typical values are at T A = +25°C.)

Note 1: Signals on NC_, NO_, COM_, or IN_ exceeding V+ or V- will be clamped by internal diodes. Limit forward diode current to maxi-mum current rating.

ELECTRICAL CHARACTERISTICS—Dual Supplies (continued)

MAX4601/MAX4602/MAX46032.5?, Quad, SPST, CMOS Analog Switches (V+ = +15V, V- = -15V, V L= 5V, V IN_H= 2.4V, V IN_L= 0.8V, T A = T MIN to T MAX, unless otherwise noted. Typical values are at

T A= +25°C.)

MAX4602CWE+中文资料

_______________________________________________________________________________________3

M A X 4601/M A X 4602/M A X 4603

2.5?, Quad, SPST,

CMOS Analog Switches 4_______________________________________________________________________________________

MAX4602CWE+中文资料

ELECTRICAL CHARACTERISTICS—Single +12V Supply

(V+ = 12V, V- = 0, V L = 5V, V IN_H = 2.4V, V IN_L = 0.8V, T A = T MIN to T MAX , unless otherwise noted. Typical values are at T A = +25°C.)

MAX4601/MAX4602/MAX4603

2.5?, Quad, SPST,

CMOS Analog Switches

_______________________________________________________________________________________5

ELECTRICAL CHARACTERISTICS—Single +12V Supply (continued)

(V+ = 12V, V- = 0, V L = 5V, V IN_H = 2.4V, V IN_L = 0.8V, T A = T MIN to T MAX , unless otherwise noted. Typical values are at T A = +25°C.)

Note 2:The algebraic convention, where the most negative value is a minimum and the most positive value a maximum, is used in

this data sheet.

Note 3:Guaranteed by design.

Note 4:?R ON = R ON(MAX)- R ON(MIN).

Note 5:Flatness is defined as the difference between the maximum and minimum value of on-resistance as measured over the

specified analog signal range.

Note 6:Leakage parameters are 100% tested at maximum-rated hot temperature and guaranteed by correlation at +25°C.Note 7:Off-isolation = 20 log 10[V COM / (V NC or V NO )], V COM = output, V NC or V NO = input to off switch.Note 8:Between any two switches.

Note 9:Leakage testing at single supply is guaranteed by testing with dual supplies.

MAX4602CWE+中文资料

M A X 4601/M A X 4602/M A X 4603

2.5?, Quad, SPST,

CMOS Analog Switches 6_______________________________________________________________________________________

Typical Operating Characteristics

(T A = +25°C, unless otherwise noted.)

03214567891008412162024

2

106

141822ON-RESISTANCE vs. V COM

(SINGLE SUPPLY)

MAX4602CWE+中文资料

V COM (V)

R O N (?)

01.50

1.000.50

2.002.50

3.503.00

4.00023

1456

7

8

9101112

ON-RESISTANCE vs. V COM AND TEMPERATURE (SINGLE SUPPLY)

MAX4602CWE+中文资料

V COM (V)

R O N (?)0.1m

0.01

1m 1010.11k 10k 100100k

-40

MAX4602CWE+中文资料

20

-20

40

60

80

100

ON/OFF-LEAKAGE CURRENT

vs. TEMPERATURE

TEMPERATURE (°C)

L E A K A G E (p A )

-300

-100-200100

MAX4602CWE+中文资料

0200300-15

-5

0-10

5

10

15

CHARGE INJECTION

vs. V COM

V COM (V)

Q (p C )

70

1109015013019017021025023027010

MAX4602CWE+中文资料

12131411151617191820

TURN-ON/OFF TIME vs. SUPPLY VOLTAGE

V+ = V- (V)

t O N , t O F F (n s )

MAX4602CWE+中文资料

0.1

0.01

100

10110k 1k

-40

20

-20

40

60

80

100

POWER-SUPPLY CURRENT vs. TEMPERATURE

TEMPERATURE (°C)

I +, I - (n A )

MAX4602CWE+中文资料

50

150

100

200250

-40

10

-15

35

60

85

TURN-ON/OFF TIME vs. TEMPERATURE

TEMPERATURE (°C)

t O N , t O F F (n s )

50100

150

200

250-10-2

MAX4602CWE+中文资料

-6

-4

-8

2

4

6

8

10

TURN-ON/OFF TIME

vs. V COM

V COM (V)

t O N , t O F F (n s )

-10-100

0.1

100

10

1

FREQUENCY RESPONSE

-70

-90

-30-500-60-80-20-40

MAX4602CWE+中文资料

FREQUENCY (MHz)

L O S S (d B )

90180-720-450-630

-90-270-360-540-0

-180P H A S E (d e g r e e s )

MAX4601/MAX4602/MAX4603

2.5?, Quad, SPST,

CMOS Analog Switches

_______________________________________________________________________________________7

Typical Operating Characteristics (continued)

(T A = +25°C, unless otherwise noted.)

MAX4602CWE+中文资料

MAX4602CWE+中文资料

MAX4602CWE+中文资料

Pin Description

01.00.52.01.53.02.53.54.54.05.0-20

-10

-5

-15

05

10

15

20

ON-RESISTANCE vs. V COM

(DUAL SUPPLIES)

V COM (V)

R O N (?)

0.500.251.000.75

1.501.251.75

2.252.002.50

-10

-5

-15

05

10

15

ON-RESISTANCE vs. V COM

AND TEMPERATURE (DUAL SUPPLIES)

V COM (V)

R O N (?)

M A X 4601/M A X 4602/M A X 4603

2.5?, Quad, SPST,

CMOS Analog Switches

MAX4602CWE+中文资料

MAX4602CWE+中文资料

8

_______________________________________________________________________________________

Applications Information

Overvoltage Protection

Proper power-supply sequencing is recommended for all CMOS devices. Do not exceed the absolute maxi-mum ratings, because stresses beyond the listed rat-ings can cause permanent damage to the devices.Always sequence V+ on first, then V-, followed by the logic inputs, NO, or COM. If power-supply sequencing is not possible, add two small signal diodes (D1, D2) in series with the supply pins for overvoltage protection (Figure 1). Adding diodes reduces the analog signal range to one diode drop below V+ and one diode drop above V-, but does not affect the devices’ low switch resistance and low leakage characteristics. Device operation is unchanged, and the difference between V+ and V- should not exceed 44V. These protection diodes are not recommended when using a single supply.

Off-Isolation at High Frequencies

In 50?systems, the high-frequency on-response of these parts extends from DC to above 100MHz with a typical loss of -2dB. When the switch is turned off, how-ever, it behaves like a capacitor, and off-isolation decreases with increasing frequency. (Above 300MHz,the switch actually passes more signal turned off than turned on.) This effect is more pronounced with higher source and load impedances.

Above 5MHz, circuit board layout becomes critical, and it becomes difficult to characterize the response of the

switch independent of the circuit. The graphs shown in the Typical Operating Characteristics were taken using a 50?source and load connected with BNC connec-tors to a circuit board deemed “average;” that is,designed with isolation in mind, but not using strip-line or other special RF circuit techniques. For critical appli-cations above 5MHz, use the MAX440, MAX441, and MAX442, which are fully characterized up to 160MHz.

Figure 1. Overvoltage Protection Using External Blocking Diodes

Figure 2. Switching-Time Test Circuit Timing Diagrams/Test Circuits

MAX4601/MAX4602/MAX4603

2.5?, Quad, SPST,

CMOS Analog Switches

_______________________________________________________________________________________9

MAX4602CWE+中文资料

MAX4602CWE+中文资料

Figure 3. Charge-Injection Test Circuit

Timing Diagrams/Test Circuits (continued)

Figure 4. Off-Isolation Test Circuit

MAX4602CWE+中文资料

Figure 5. Crosstalk Test Circuit

M A X 4601/M A X 4602/M A X 4603

2.5?, Quad, SPST,

CMOS Analog Switches 10______________________________________________________________________________________

MAX4602CWE+中文资料

MAX4602CWE+中文资料

Figure 6. Switch Off-Capacitance Test Circuit

MAX4602CWE+中文资料

Figure 7. Switch On-Capacitance Test Circuit

Chip Information

TRANSISTOR COUNT: 100

Ordering Information (continued)

Timing Diagrams/Test Circuits (continued)

Package Information

MAX4601/MAX4602/MAX46032.5?, Quad, SPST, CMOS Analog Switches

MAX4602CWE+中文资料

M A X 4601/M A X 4602/M A X 4603

2.5?, Quad, SPST,

CMOS Analog Switches Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time.

12____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600?1999 Maxim Integrated Products

Printed USA

is a registered trademark of Maxim Integrated Products.

MAX4602CWE+中文资料

Package Information