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19-2170; Rev 0; 10/01
35, SPST/SPDT, +3V Logic-Compatible Analog Switches
General Description
The DG417L/DG418L/DG419L precision, CMOS analog switches feature low on-resistance (RON = 35), guaranteed R ON matching between switches (3 max), and guaranteed RON flatness over the signal range (4 max). These switches are +3V logic-compatible when powered from 15V or 12V supplies. The switches conduct equally well in either direction, and feature low charge injection and low power consumption. The DG417L/DG418L/DG419L also offer low off-leakage current over temperature (less than 5nA at +85C). The DG417L/DG418L are single-pole/single-throw (SPST) switches. The DG417L is normally closed, and the DG418L is normally open. The DG419L is singlepole/double-throw (SPDT) with one normally closed switch and one normally open switch. Switching times are less than 175ns for tON and less than 185ns for tOFF. These devices operate with a single +9V to +36V or bipolar 4.5V to 20V supplies. The digital input has a +0.8V logic-low threshold and a +2.0V logic-high threshold, ensuring +3V TTL and CMOS-logic compatibility. The DG417L/DG418L/ DG419L are available in a tiny 8-pin MAX, 8-pin SO, or convenient 8-pin plastic DIP. All products are rated at the extended temperature range of -40C to +85C.
____________________________Features
o +3V Logic-Compatible Digital Inputs VIH = 2.0V VIL = 0.8V o Plug-In Upgrades for Industry-Standard DG417/DG418/DG419 and MAX317/MAX318/MAX319 o Power-Supply Sequencing-Free Operation o Low On-Resistance (35 max) o Guaranteed Matched On-Resistance Between Channels (3 max) o Guaranteed On-Resistance Flatness (4 max) o Single-Supply Operation +9V to +36V Dual-Supply Operation 4.5V to 20V o Guaranteed Off-Leakage Current Over Temperature (<5nA at +85C) o Rail-to-Rail Analog Signal Handling Capability o Tiny 8-Pin MAX Package
DG417L/DG418L/DG419L
Ordering Information
PART DG417LEUA DG417LDY DG417LDJ TEMP. RANGE -40C to +85C -40C to +85C -40C to +85C PIN-PACKAGE 8 MAX 8 SO 8 Plastic DIP
________________________Applications
Sample-and-Hold Circuits Test Equipment Modems Guidance and Control Systems Audio Signal Routing Communications Systems Battery-Operated Systems Fax Machines PBX, PABX Military Radios
Ordering Information continued at end of data sheet. Rail-to-Rail is a registered trademark of Nippon Motorola, Inc.
Pin Configurations/Functional Diagrams/Truth Tables
TOP VIEW
COM N.C. 1 2 8 7 6 NC VIN N.C. COM N.C. 1 2 8 7 6 NO VIN N.C. COM NC 1 2 8 7 6 NO VIN N.C.
GND 3 V+ 4
GND 3 V+ 4
GND 3 V+ 4
DG417L
DIP/SO/MAX
DG417L LOGIC SWITCH 0 1 ON OFF
5
DG418L
DIP/SO/MAX
DG418L LOGIC SWITCH 0 1 OFF ON
5
DG419L
DG419L NC ON OFF
5
DIP/SO/MAX
LOGIC 0 1 NO OFF ON
N.C. = NO CONNECT NC = NORMALLY CLOSED
SWITCHES SHOWN FOR LOGIC "0" INPUT
________________________________________________________________ Maxim Integrated Products
1
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35, SPST/SPDT, +3V Logic-Compatible Analog Switches DG417L/DG418L/DG419L
ABSOLUTE MAXIMUM RATINGS
Voltage referenced to VV+ ..........................................................................................44V GND.......................................................................................25V IN ...........................................................................-0.3V to +44V COM, NC, NO (Note 1) ........................(V- - 0.3V) to (V+ + 0.3V) Continuous Current (any terminal) (Note 1) .....................30mA Peak Current, COM, NO, NC (pulsed at 1ms, 10% duty cycle max) .................................................100mA Continuous Power Dissipation (TA = +70C) 8-Pin MAX (derate 4.5mW/C above +70C) ............362mW 8-Pin SO (derate 5.9mW/C above +70C) .................471mW 8-Pin Plastic DIP (derate 9.1mW/C above +70C).....727mW Operating Temperature Range...........................-40C to +85C Storage Temperature Range ............................-65C to +150C Lead Temperature (soldering, 10s) ................................+300C
Note 1: Signals on COM, NO, or NC exceeding V+ or V- are clamped by internal diodes. Limit forward current to maximum current 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.
ELECTRICAL CHARACTERISTICS--Dual 15V Supplies
(V+ = +15V, V- = -15V, VIH = 2.0V, VIL = 0.8V, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25C.) (Notes 2, 3)
PARAMETER ANALOG SWITCH Analog Signal Range
SYMBOL VNO, VNC VCOM RON
CONDITIONS
TA
MIN
TYP
MAX
UNITS
VV+ = +13.5V, V- = -13.5V ICOM = 10mA VNO or VNC = 10V V+ = +15V, V- = -15V ICOM = 10mA VNO or VNC = 10V +25C TMIN to TMAX +25C TMIN to TMAX +25C TMIN to TMAX +25C TMIN to TMAX +25C DG417L DG418L TMIN to TMAX +25C TMIN to TMAX +25C TMIN to TMAX -5 -0.4 -10 -0.75 -10 0.01 -0.25 -5 -0.25 0.01 0.01 0.5 0.1 17
V+ 35
V
On-Resistance
45 3 4 4 6 0.25 nA 5 0.25 nA 5 0.4 10 0.75 10 nA
On-Resistance Matching Between Channels (DG419L only) On-Resistance Flatness (Note 4)
RON
V+ = +15V, V- = -15V RFLAT (ON) ICOM = 10mA VNO or VNC = -5V, 0, +5V V+ = +16.5V, V- = -16.5V INC/NO(OFF) VCOM = 15.5V V(NC or NO) = +15.5V V+ = +16.5V V- = -16.5V VCOM = 15.5V V(NC or NO) = +15.5V
NC or NO Off-Leakage Current (Note 5)
COM Off-Leakage Current (Note 5)
ICOM(OFF)
COM On-Leakage Current (Note 5)
ICOM(ON)
DG417L V+ = +16.5V DG418L V- = -16.5V VCOM = 15.5V V(NC or NO) = 15.5V DG419L
2
_______________________________________________________________________________________
35, SPST/SPDT, +3V Logic-Compatible Analog Switches
ELECTRICAL CHARACTERISTICS--Dual 15V Supplies (continued)
(V+ = +15V, V- = -15V, VIH = 2.0V, VIL = 0.8V, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25C.) (Notes 2, 3)
DG417L/DG418L/DG419L
PARAMETER DYNAMIC
SYMBOL
CONDITIONS
TA
MIN
TYP
MAX
UNITS
Turn-On Time
tON
VNO or VNC = 10V RL = 300 CL = 35pF Figure 1 VNO or VNC = 10V RL = 300 CL = 35pF Figure 1 VNO = 10V VNC = +10V RL = 300 CL = 35pF Figure 2 VNO or VNC = +10V RL = 300 CL = 35pF Figure 3 VGEN = 0, RGEN = 0, CL = 1nF, Figure 4 f = 1MHz, RL = 50, CL = 5pF, Figure 5 f = 1MHz, RL = 50, CL = 5pF, Figure 6
+25C DG417L DG418L TMIN to TMAX +25C DG417L DG418L TMIN to TMAX +25C DG419L TMIN to TMAX
110
175 ns 250
105
185 ns 210
Turn-Off Time
tOFF
105
185 ns 250
Transition Time
tTRANS
+25C DG419L TMIN to TMAX
5 1
25 ns
Break-Before-Make Delay (Note 6)
tD
Charge Injection
Q
15
pC
Off-Isolation (Note 7)
VISO
-90
dB
Crosstalk (Note 8)
VCT
DG419L
-86
dB
Total Harmonic Distortion NO or NC Off-Capacitance COM Off-Capacitance COM On-Capacitance
THD CNO(OFF) CNC(OFF) CCOM(OFF) CCOM(ON)
f = 20Hz to 20kHz, 5Vp-p RL = 600 f = 1MHz, Figure 7 f = 1MHz, Figure 7 f = 1MHz, Figure 8 DG417L DG418L DG419L
0.002 8 8 30 35
% pF pF pF
_______________________________________________________________________________________
3
35, SPST/SPDT, +3V Logic-Compatible Analog Switches DG417L/DG418L/DG419L
ELECTRICAL CHARACTERISTICS--Dual 15V Supplies (continued)
(V+ = +15V, V- = -15V, VIH = 2.0V, VIL = 0.8V, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25C.) (Notes 2, 3)
PARAMETER DIGITAL I/O Input Logic High Voltage Input Logic Low Voltage Logic Input Current (Input Voltage Low) Logic Input Current (Input Voltage High) POWER SUPPLY Power-Supply Range
SYMBOL VIH VIL IINL IINH
CONDITIONS
TA
MIN 2.0
TYP
MAX
UNITS V
0.8 VIN = 0.8V VIN = 2.0V 0.001 0.001 1 1
V A A
VS
Dual supplies V+ = +16.5V, V- = -16.5V, VIN = 5V V+ = +16.5V, V- = -16.5V, VIN = 0 or V+ +25C TMIN to TMAX +25C TMIN to TMAX +25C TMIN to TMAX +25C TMIN to TMAX +25C TMIN to TMAX
4.5 26 0.01 0.01 26 0.01
20 75 125 1 10 1 10 75 125 1 10
V
Positive Supply Current
I+
A
Negative Supply Current
I-
V+ = +16.5V, V- = -16.5V, VIN = 0, 5V, V+ V+ = +16.5V, V- = -16.5V, VIN = 5V V+ = +16.5V, V- = -16.5V, VIN = 0 or V+
A
Ground Current
IGND
A
ELECTRICAL CHARACTERISTICS--Single +12V Supply
(V+ = +12V, V- = 0, VIH = 2.0V, VIL = 0.8V, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25C.) (Notes 2, 3)
PARAMETER ANALOG SWITCH Analog Signal Range
SYMBOL VNO, VNC VCOM RON
CONDITIONS
TA
MIN
TYP
MAX
UNITS
VV+ = +10.8V, ICOM = 10mA, VNO or VNC = +3.8V V+ = +10.8V, ICOM = 10mA, VNO or VNC = +3.8V V+ = +12V, ICOM = 10mA VNO or VNC = 2V, 6V, 10V +25C TMIN to TMAX +25C TMIN to TMAX +25C TMIN to TMAX 4 0.05 31
V+ 100 125 4
V
On-Resistance On-Resistance Matching Between Channels (DG419L Only) On-Resistance Flatness (Note 4)
RON
6 9 13
RFLAT (ON)
4
_______________________________________________________________________________________
35, SPST/SPDT, +3V Logic-Compatible Analog Switches
ELECTRICAL CHARACTERISTICS--Single +12V Supply (continued)
(V+ = +12V, V- = 0, VIH = 2.0V, VIL = 0.8V, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25C.) (Notes 2, 3)
DG417L/DG418L/DG419L
PARAMETER DYNAMIC
SYMBOL
CONDITIONS
TA
MIN
TYP
MAX
UNITS
Turn-On Time
tON
VNO or VNC = +10V +25C DG417L RL = 300 DG418L CL = 35pF TMIN to TMAX Figure 1 VNO or VNC = +10V +25C DG417L RL = 300 DG418L CL = 35pF TMIN to TMAX Figure 1 VNO = 0, 10V VNC = 10V, 0 RL = 300 CL = 35pF Figure 2 +25C DG419L TMIN to TMAX 5 1
150
300 ns 400
110
210 ns 310
Turn-Off Time
tOFF
150
300 ns 400
Transition Time
tTRANS
Break-Before-Make Delay (Note 6)
tD
VNO, VNC = +10V +25C RL = 300 DG419L CL = 35pF TMIN to TMAX Figure 3 VGEN = 0, RGEN = 0, CL = 1nF, Figure 4 Single supply V+ = +13.2V VIN = 0 or V+ +25C TMIN to TMAX +25C TMIN to TMAX
30 ns
Charge Injection POWER SUPPLY Power-Supply Range
Q
2.5
pC
VS
9 0.01
36 1 10 15 60 110
V
Positive Supply Current
I+ V+ = +13.2V VIN = 5V
A
Note 2: The algebraic convention is used in this data sheet; the most negative value is shown in the minimum column. Note 3: -40C specifications are guaranteed by design. Note 4: Flatness is defined as the difference between the maximum and the minimum value of on-resistance as measured at the extremes of the specified analog range. Note 5: Leakage parameters are 100% tested at maximum rated hot temperature and guaranteed by correlation at TA = +25C. Note 6: Guaranteed by design. Note 7: Off-isolation = 20log10 [VCOM / (VNC or VNO)], VCOM = output, VNC or VNO = input to off switch. Note 8: Between Switches
_______________________________________________________________________________________
5
35, SPST/SPDT, +3V Logic-Compatible Analog Switches DG417L/DG418L/DG419L
__________________________________________Typical Operating Characteristics
(TA = +25C, unless otherwise noted.)
ON-RESISTANCE
VS. VCOM (DUAL SUPPLIES)
DG417L-19L toc01
ON-RESISTANCE
VS. VCOM (SINGLE SUPPLY)
DG417L-19L toc02
ON-RESISTANCE
VS. VCOM AND TEMPERATURE V+ = +15V V- = -15V TA = +85C TA = 0C
DG417L-19L toc03
45 40 35 30 RON () 25 20 15 10 5 0 -20 -10 0 VCOM (V) B A
A: V = 5V B: V = 10V C: V = 12V D: V = 15V E: V = 20V C D
50 A: V = +9V B: V = +12V C: V = +24V D: V = +36V E: V = +40V
30 25 20 RON () 15 10
40
A B C
RON ()
30
20 E
D E
TA = -40C
10
5 0
0 10 20 0 5 10 15 20 VCOM (V) 25 30 35 40
-15
-10
-5
0 VCOM (V)
5
10
15
ON-RESISTANCE
VS. VCOM AND TEMPERATURE V+ = +12V V- = 0 TA = +85C Q (pC) TA = +0C 20 15 10 5 0 0 2 4 6 VCOM (V) 8 10 12 TA = -40C
DG417L-19L toc04
CHARGE INJECTION VS. VCOM
DG417L-19L toc05
TURN-ON/TURN-OFF TIME VS. DUAL SUPPLY VOLTAGE
650 600 550 500 450 400 350 300 250 200 150 100 50 0
DG417L-19L toc06
40 35 30 RON () 25
45 40 35 30 25 20 15 10 5 0 -20 -15 -10 -5 0 VCOM (V) 5 10 15 V+ = +15V V- = -15V V+ = +12V V- = 0
SWITCHING TIME (ns)
tOFF
tON
20
0
5
15 20 10 POWER SUPPLY VOLTAGES (V)
25
TURN-ON/TURN-OFF TIME
VS. SINGLE SUPPLY VOLTAGE 650 600 550 500 450 400 350 300 250 200 150 100 50 0 0 5 tON tOFF 25 30 35 POWER SUPPLY VOLTAGES (V) 10 15 20 40 45 600 560 520 480 440 400 360 320 280 240 200 160 120 80 40 -50
DG417L-19L toc07
TURN-ON/TURN-OFF TIME VS. TEMPERATURE
DG417L-19L toc08
ON-LEAKAGE CURRENTS vs. TEMPERATURE
A: V+ = 16.5V V- = -16.5V VCOM = 15V B: V+ = +36V V- = 0 VCOM = +35V
DG417/18/19L toc09
SWITCHING TIME (ns)
A: V+ = +15V C: V+ = +12V V- = 0 V- = -15V B: V+ = +5V V- = -5V
10
B, tOFF
A
1 ON-LEAKAGE (nA)
TIME (ns)
B, tON
0.1
B
C, tON A, tON C, tOFF A, tOFF
0.01
0.001 -30 50 30 -10 10 TEMPERATURE (C) 70 90 -40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90 TEMPERATURE (C)
6
_______________________________________________________________________________________
35, SPST/SPDT, +3V Logic-Compatible Analog Switches
____________________________Typical Operating Characteristics (continued)
(TA = +25C, unless otherwise noted.)
DG417L/DG418L/DG419L
OFF-LEAKAGE CURRENTS vs. TEMPERATURE
DG417/18/19L toc10
LOGIC THRESHOLD vs. SUPPLY VOLTAGE
DG417/18/19L toc11
SUPPLY CURRENT vs. TEMPERATURE
7 6 I+, I- (nA) 5 4 3 2 1 0 -40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90 TEMPERATURE (C) V+ = 15V V- = -15V VIN = 0, V+ I+ IDG417/18/19L toc12
1
LOGIC THRESHOLD (V)
OFF-LEAKAGE (nA)
0.1
A: V+ = 16.5V V- = -16.5V VCOM = 15V B: V+ = +36V V- = 0 VCOM = +35V
2.0 1.9 1.8 1.7 1.6 1.5 1.4 1.3 1.2 1.1 A A: DUAL SUPPLIES B: SINGLE SUPPLY B
8
B
A 0.01
0.001 -40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90 TEMPERATURE (C)
1.0 0 5 10 15 20 25 30 35 SUPPLY VOLTAGE (V)
SUPPLY CURRENT vs. VIN
DG417/18/19L toc13
FREQUENCY REPONSE
DG417/18/19L toc14
TOTAL HARMONIC DISTORTION vs. FREQUENCY
DG417/18/19L toc15
50.00 40.00 SUPPLY CURRENT (A) A 30.00 A: V+ = +15V V- = -15V B: V+ = +12V V- = 0
0 -10 -20 -30 LOSS (dB) ON RESPONSE
0.1
20.00 10.00 0 -10.00 0
B
-50 -60 -70 -80 -90 -100 OFF-ISOLATION
THD (%)
-40
CROSSTALK
0.01
RL = 600
5 VIN (V)
10
15
1M
10M
100M
1G
0.001 10 100 1k FREQUENCY (Hz) 10k 100k
FREQUENCY (Hz)
_______________________________________________________________________________________
7
35, SPST/SPDT, +3V Logic-Compatible Analog Switches DG417L/DG418L/DG419L
______________________________________________________________Pin Description
PIN DG417L 1 2, 5 3 4 6 7 8 -- DG418L 1 2, 5 3 4 6 7 -- 8 DG419L 1 5 3 4 6 7 2 8 NAME COM N.C. GND V+ IN VNC NO FUNCTION Analog Switch Common Terminal No Connection. Not internally connected. Logic Ground Analog Signal Positive Supply Input Logic-Level Input Analog Signal Negative Supply Input Analog Switch Normally Closed Terminal Analog Switch Normally Open Terminal
_____________________________________________________Test Circuits/Timing Diagrams
V+ N.C. COM V+
LOGIC INPUT
+3V 50% 0
t R < 20ns t F < 20ns SWITCH INPUT t OFF
DG417L DG418L
NC OR NO RL 300 SWITCH OUTPUT VOUT CL 35pF
IN VOUT SWITCH OUTPUT 0 t ON 0.9 x VOUT 0.9 x VOUT LOGIC INPUT GND V-
VCL INCLUDES FIXTURE AND STRAY CAPACITANCE. RL VOUT = VD RL + RDS(ON)
LOGIC INPUT WAVEFORMS INVERTED FOR SWITCHES THAT HAVE THE OPPOSITE LOGIC SENSE.
(
)
Figure 1. DG417L/DG418L Switching Time
DG419L
V+ LOGIC INPUT +3V 50% 0 NO t TRANS SWITCH VOUT1 OUTPUT t TRANS 0.8 x V OUT1 0.8 x V OUT2 LOGIC INPUT IN GND VVCL INCLUDES FIXTURE AND STRAY CAPACITANCE. RL 300 CL 35pF t R < 20ns t F < 20ns NC V+ N.C. COM VOUT
VOUT2
Figure 2. DG419L Transition Time 8 _______________________________________________________________________________________
35, SPST/SPDT, +3V Logic-Compatible Analog Switches
Applications Information
Power-Supply Sequencing-Free Operation
Most CMOS switches require specific power-supply sequencing in order to prevent device latchup. The older DG417/DG418/DG419 devices require a proper power-supply sequence of V+, VL, then V-. Otherwise, it is necessary to add signal diodes to the circuit in order to prevent potential latchups. The new DG417L/DG418L/DG419L devices eliminate the need for a VL input and allow any power-up sequence. Do not exceed the absolute maximum ratings because stresses beyond the listed ratings may cause permanent damage to the devices.
DG417L/DG418L/DG419L
______________________________________Test Circuits/Timing Diagrams (continued)
+3V LOGIC INPUT 0 +10V NC NO RL 300 IN 0.9 x VOUT VCOM tD LOGIC INPUT GND V+ V+ COM VOUT CL 35pF
DG419L
VV-
CL INCLUDES FIXTURE AND STRAY CAPACITANCE.
Figure 3. DG419L Break-Before-Make Interval
V+ VOUT N.C. VOUT COM IN OFF ON OFF V GEN GND VV+
NC OR NO
DG417L DG418L DG419L
VOUT CL 1nF
OFF IN
ON Q = V OUT x C L
OFF
VVIN = +3V
IN DEPENDS ON SWITCH CONFIGURATION; INPUT POLARITY DETERMINED BY SENSE OF SWITCH.
Figure 4. Charge Injection
_______________________________________________________________________________________
9
35, SPST/SPDT, +3V Logic-Compatible Analog Switches DG417L/DG418L/DG419L
Test Circuits/Timing Diagrams (continued)
V+
10nF SIGNAL GENERATOR 0dBm
DG417L DG418L DG419L
N.C. 0 or 2.4V
10nF
V+
DG419L
N.C. NC 50
COM
V+
SIGNAL GENERATOR 0dBm
COM
V+
IN NETWORK ANALYZER CL RL VNC OR NO GND V10nF
0 or 2.4V NETWORK ANALYZER RL
IN
NO GND V-
COM 10nF
V-
Figure 5. Off-Isolation
Figure 6. DG419L Crosstalk
10nF
V+
DG417L DG418L DG419L
N.C.
10nF
V+
DG417L DG418L DG419L
N.C.
V+ COM
V+ COM
IN CAPACITANCE METER f = 1MHz NC OR NO GND V10nF
0 or 2.4V
IN CAPACITANCE METER f = 1MHz NC OR NO GND V10nF
0 or 2.4V
V-
V-
Figure 7. Channel Off-Capacitance
Figure 8. Channel On-Capacitance
Ordering Information (continued)
PART DG418LEUA DG418LDY DG418LDJ DG419LEUA DG419LDY DG419LDJ TEMP. RANGE -40C to +85C -40C to +85C -40C to +85C -40C to +85C -40C to +85C -40C to +85C PIN-PACKAGE 8 MAX 8 SO 8 Plastic DIP 8 MAX 8 SO 8 Plastic DIP
______________________Chip Information
TRANSISTOR COUNT: 40 PROCESS: CMOS
10
______________________________________________________________________________________
35, SPST/SPDT, +3V Logic-Compatible Analog Switches
________________________________________________________Package Information
8LUMAXD.EPS
DG417L/DG418L/DG419L
______________________________________________________________________________________
11
35, SPST/SPDT, +3V Logic-Compatible Analog Switches DG417L/DG418L/DG419L
___________________________________________Package Information (continued)
SOICN.EPS
12
______________________________________________________________________________________
35, SPST/SPDT, +3V Logic Compatible Analog Switches
___________________________________________Package Information (continued)
PDIPN.EPS
DG417L/DG418L/DG419L
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.
13 ____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 (c) 2001 Maxim Integrated Products Printed USA is a registered trademark of Maxim Integrated Products.

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