Datasheet

ManualsBrandsMAXIM INTEGRATED ManualsInterface ICsInterface IC - analogue switches SOT 23 6

________________General Description

The MAX4675/MAX4676 single analog switches feature

3Ω (max) on-resistance (R

) and 0.7Ω flatness when

operating from dual ±5V supplies. These switches can

handle Rail-to-Rail

analog signals. Off-leakage current

is 0.1nA at T

= +25°C. The MAX4675/MAX4676 are

ideal in low-distortion applications and are the pre-

ferred solution over mechanical relays in automated

test equipment or applications where current switching

is required. They are more reliable than mechanical

relays, have low power requirements (<1µA), and are

available in a space-saving 6-pin SOT23 package.

The MAX4675 has a single normally open (NO) switch,

and the MAX4676 has a single normally closed (NC)

switch.

The MAX4675/MAX4676 operate from either a single

+2.7V to +5.5V or dual ±2.7V to ±5.5V supplies, mak-

ing them ideal for use in digital card applications and

single-ended 75Ω systems.

________________________Applications

Reed Relay Replacement

Test Equipment

Communications Systems

PBX, PABX Systems

Audio Signal Routing

Avionics

ADC Systems

Data-Acquisition Systems

____________________________Features

♦ 3Ω (max) R

♦ 0.7Ω (max) R

Flatness

♦ Dual ±2.7V to ±5.5V or Single +2.7V to +5.5V

Supply Range

♦ Off-Isolation

-75dB at 1MHz, Dual Supply

-65dB at 1MHz, Single Supply

♦ -3dB Bandwidth 250MHz

♦ Rail-to-Rail Signal Handling

MAX4675/MAX4676

3Ω Single SPST Analog Switches

________________________________________________________________ Maxim Integrated Products 1

19-1747; Rev 0; 7/00

For free samples and the latest literature, visit www.maxim-ic.com or phone 1-800-998-8800.

For small orders, phone 1-800-835-8769.

_______________Ordering Information

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

PART

TEMP.

RANGE

PIN-

PACKAGE

SOT

MARK

MAX4675EUT-T

-40°C to +85°C 6 SOT23-6 AAND

MAX4676EUT-T

-40°C to +85°C 6 SOT23-6 AANE

TOP VIEW

MAX4675

IN SWITCH

OFF

COM

GNDV-

16IN

5 NO

V+

MAX4675

SOT23

MAX4676

IN SWITCH

OFF

COM

GNDV-

16IN

5 NC

V+

MAX4676

SOT23

Pin Configurations/Functional Diagrams/Truth Tables

Summary of content (8 pages)

PAGE 1
9-1747; Rev 0; 7/00 3Ω Single SPST Analog Switches ____________________________Features The MAX4675/MAX4676 single analog switches feature 3Ω (max) on-resistance (RON) and 0.7Ω flatness when operating from dual ±5V supplies. These switches can handle Rail-to-Rail® analog signals. Off-leakage current is 0.1nA at TA = +25°C.
PAGE 2
MAX4675/MAX4676 3Ω Single SPST Analog Switches ABSOLUTE MAXIMUM RATINGS V+ to GND ................................................................-0.3V to +6V V- to GND .................................................................+0.3V to -6V V+ to V- ..................................................................................12V IN to GND .....................................................-0.3V to (V+ + 0.3V) All Other Pins (Note 1) ..........................(V- - 0.3V) to (V+ + 0.
PAGE 3
Ω Single SPST Analog Switches (V+ = +5V ±10%, V- = -5V ±10%, GND = 0, VIH = +2.4V, VIL = 0.8V, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.
PAGE 4
MAX4675/MAX4676 3Ω Single SPST Analog Switches ELECTRICAL CHARACTERISTICS—SINGLE SUPPLY (continued) (V+ = +5V ±10%, V- = 0, GND = 0, VIH = +2.4V, VIL = 0.8V, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.) (Notes 2, 3) PARAMETER COM On-Leakage Current SYMBOL ICOM (ON) CONDITIONS V+ = 5.5V; VNO or VNC = 0, 4.5V, or floating; VCOM = 0 or 4.5V MIN TYP MAX TA = +25°C -2 0.
PAGE 5
3Ω Single SPST Analog Switches V = ±2.5V V+ = 5V V- = -5V 2.5 18 MAX4675 toc02 2.7 MAX4675 toc01 4.0 3.5 ON-RESISTANCE vs. VCOM (SINGLE SUPPLY) ON-RESISTANCE vs. VCOM AND TEMPERATURE (DUAL SUPPLIES) TA = +85°C 14 V = ±5V RON (Ω) RON (Ω) TA = +25°C 2.1 V+ = +3.3V 8 V+ = +5V 6 1.9 1.0 4 1.7 0.5 TA = 0°C 0 2 TA = -40°C 0 1.5 -6 -4 -2 0 2 4 6 -6 -5 -4 -3 -2 -1 0 1 2 3 4 5 0 6 1 2 3 VCOM (V) VCOM (V) ON-RESISTANCE vs.
PAGE 6
Typical Operating Characteristics (continued) (TA = +25°C, unless otherwise noted.) TURN-ON/TURN-OFF TIMES vs. TEMPERATURE (DUAL SUPPLIES) 2.0 120 tON 1.0 0.5 250 tON 80 60 tOFF 40 2.0 2.5 3.0 3.5 4.0 4.5 5.0 -20 0 20 40 60 80 100 10 V+ = +5V V- = -5V 8 110 FREQUENCY RESPONSE MAX4675 toc13 10 60 TEMPERATURE (°C) POWER-SUPPLY CURRENT vs.
PAGE 7
3Ω Single SPST Analog Switches Overvoltage Protection Proper power-supply sequencing is recommended for all CMOS devices. Do not exceed the absolute maximum ratings because stresses beyond the listed ratings can cause permanent damage to the devices. Always sequence V+ on first, then V-, followed by the logic inputs, NO, NC, or COM. If proper power-supply sequencing is not possible, add two small-signal diodes (D1, D2) in series with the supply pins (Figure 1).
PAGE 8
Timing Diagrams/Test Circuits (continued) V+ 10nF SIGNAL GENERATOR 0dBm COM MAX4675 MAX4676 V+ V+ COM IN ANALYZER V+ 10nF MAX4675 MAX4676 NC OR NO GND V- 0 OR 2.4V IN CAPACITANCE METER f = 1MHz 0 OR 2.4V NC OR NO GND V- VV- Figure 4. Off-Isolation/On-Channel Bandwidth Figure 5. Channel On/Off-Capacitance Package Information 6LSOT.