1、CMOS CMOS : : CD4066 MAX4066 1 N MOSFET P MOSFET MOSFET CMOS TTL V IN P N MOSFET ( R ON ) ( ) ( 2 ) R ON V IN R ON 20V ( Maxim MAX4601) 2.5 R ON ( 3 ) MAX4601 +4.5V +36V 4.5V 20V R ON R ON +5V 8 +12V 3 +24V 2.5 +2V 4 Maxim +5V 15V 12V 5V 3.3V 1. N P MOSFET D BODY BODY LOGIC 1 = ON S G D V+ V- N-CHAN
2、NEL S G IN OUT 3. 0 3 2 1 4 5 6 7 8 9 10 08 4 1 21 62 02 4 21 0 6 1 41 82 2 MAX4601/MAX4602/MAX4603 ON-RESISTANCE vs. V COM (SINGLE SUPPLY) V COM (V) R ON ( ) V+ = 5V V+ = 12V V+ = 24V 7 2. 1 N P 0 50 150 100 200 250 -15 -5 -10 0 5 10 15 V IN (V) R ON ( ) P-CHANNEL N-CHANNEL ON-RESISTANCE vs. V IN3
3、R ON 2kV CMOS R ON R ON R ON R ON R ON R ON R ON 2 5 R ON ( MAX4601) 0.5 /R ON /R ON R ON t = RC (R) (C) Maxim SOT23 MAX4501 MAX4502 MAX4514 MAX4515 ( 5 ) C L ( ) V OUT Q= V OUT (C L ) / ( 6 ) (ADC) S1 ( C ) ( V S ) C pF S1 V S C ADC V H / S1 V H V OUT ( mV) ADC 8 4. +5V 0 40 20 60 80 100 120 140 16
4、0 012345 ON-RESISTANCE vs. V COM V COM (V) r DS(ON) ( ) DG411 74HC4066 V+ = +5V MAX4614 5. V GEN GND NO C L V OUT V+ COM OUT V OUT Q = ( V OUT )(C L ) OFF ON OFF IN V IN V+ R GEN INT T 10MHz T ( 7 ) T S1 S3 S2 S1 S3 S2 MOSFET S3 T (MAX4545) ( MAX312) 10MHz : -80dB -36dB CMOS ( ) Maxim (MAX4529) SPDT
5、 ( MAX4544 ) 6 SOT23 +2.7V +12V MAX4544 SPDT Maxim CD4066 ( MAX4610/MAX4611/MAX4612) MAX4610 CD4066 ( +2V ) : 4 18 (5V 100 ) 14 TSSOP ( 6.5mm x 5.1mm x 1.1mm ) ESD Maxim ESD 15kV ESD Maxim IEC 1000-4-2 Level 4 ( ) 15kV ESD IEC1000-4-2 MAX4551/ MAX4552/MAX4553 DG201/DG211 MAX391 74HC4051 MAX4581 Maxi
6、m ESD : MAX4558/ MAX4559/MAX4560 TransZorb Maxim 9 6. / S1 V S V H C 7. T RF C S S1 VIDEO T-SWITCH S1 ON ON OFF ON OFF OFF ON OFF S2 S3 S2 C S S3 OUT IN TransZorb General Semiconductor Industries, Inc.10 25V 40V nA ( 8 ) COM FET( 8 N2 P2) COM 13mA NO/NC MAX4511/MAX4512/MAX4513 DG411/DG412/DG413 DG20
7、1/DG202/DG213 ESD Maxim MAX4554/MAX4555/MAX4556 ( AT E ) Kelvin 15V 6 60 MAX4556 SPDT - ( 9 ) 4 2 2 2 4 4 8 12 MAX4554/MAX4555/ MAX4556 8. V+ NO_ (NC_) IN_ GND V- HIGH FAULT LOW FAULT ON N1 P1 P2 COM_ N2 NC SWITCH -ESD DIODE NORMALLY OPEN SWITCH CONSTRUCTION( cal-muxes) ADC : MAX4539 MAX4540 ADC : 1
8、5/4096 4081/4096 ( ) 15 (5/8)(V+-V-) V+/2 8 ( V REFHI -V REFLO ) 15/4096 4.096V 12 ADC 15/4096 15mV 15LSB 000000001111 000000001111 ADC (V REFHI -V REFLO ) 4081/4096 111111110000 ADC ADC 11 9. 4 VOLTAGEMEASUREMENT MEASURED RESISTANCE VOLTAGE SOURCE FORCE VOLTAGE FORCE VOLTAGE SENSE VOLTAGE SENSE VOLTAGE WIRE AND TERMINAL RESISTANCE V V FEED- BACK ARROWS INDICATE SIGNAL DIRECTION, NOT POLARITY
