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DG300A_MIL/301A_MIL/302A_MIL
Vishay Siliconix
CMOS Analog Switches
(Obsolete for non-hermetic. Use DG300B Series as pin-for-pin replacements.)
FEATURES
D D D D D D Analog Signal Range: "15 V Fast Switching--tON: 150 ns Low On-Resistance--rDS(on): 30 W Single Supply Operation Latch-up Proof CMOS Compatible
BENEFITS
D Full Rail-to-Rail Analog Signal Range D Low Signal Error D Low Power Dissipation
APPLICATIONS
D Low Level Switching Circuits D Programmable Gain Amplifiers D Portable and Battery Powered Systems
DESCRIPTION
The DG300A_MIL/DG301A_MIL/DG302A_MIL monolithic CMOS switches feature three switch configuration options (SPST, SPDT, and DPST) for precision applications in communications, instrumentation and process control, where low leakage switching combined with low power consumption are required. Designed on the Vishay Siliconix PLUS-40 CMOS process, these switches are latch-up proof, and are designed to block up to 30 V peak-to-peak when off. An epitaxial layer prevents latchup. In the on condition the switches conduct equally well in both directions (with no offset voltage) and minimize error conditions with their low on-resistance. Featuring low power consumption (3.5 mW typ) these switches are ideal for battery powered applications, without sacrificing switching speed. Designed for break-before-make switching action, these devices are CMOS and quasi TTL compatible. Single supply operation is allowed by connecting the V - rail to 0 V.
FUNCTIONAL BLOCK DIAGRAM AND PIN CONFIGURATION
DG300A_MIL
NC D1 NC S1 NC IN1 GND 1 2 3 4 5 6 7 Top View Dual-In-Line 14 13 12 11 10 9 8 V+ D2 NC S2 NC IN2 VNC IN1 S1 2 3 4 5 GND 8 7 6 VIN2 D1 1 10 9 S2 D2
DG300A_MIL
Metal Can V+ (Substrate and Case)
TRUTH TABLE
Logic
0 1 Logic "0" v 0.8 V Logic "1" w 4 V
Top View
Switch
OFF ON
DG301A_MIL
1 2 3 4 5 6 7
Dual-In-Line 14 13 V+ D2
DG301A_MIL Metal Can
V+ (Substrate and Case)
D1 10 1 S1 2 9
D2
12 NC 11 10 9 8 Top View S2 NC NC V-
S2 8 7 4 NC 5 GND Top View 6 V-
TRUTH TABLE
Logic SW1
OFF ON Logic "0" v 0.8 V Logic "1" w 4 V 1
SW2
ON OFF
IN
3
NC
0 1
Document Number: 71677 S-31622--Rev. C, 11-Aug-03
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DG300A_MIL/301A_MIL/302A_MIL
Vishay Siliconix
FUNCTIONAL BLOCK DIAGRAM AND PIN CONFIGURATION
DG302A_MIL
Dual-In-Line
NC S3 D3 D1 S1 IN1 GND
1 2 3 4 5 6 7 Top View
14 13 12 11 10 9 8
V+ S4 D4 D2 S2 IN2 V-
TRUTH TABLE
Logic
0 1 Logic "0" v 0.8 V Logic "1" w 4 V
Switch
OFF ON
ORDERING INFORMATION
Temp Range DG300A_MIL
DG300AAK 14-Pin CerDIP -55 to 125_C 14-Pin Sidebraze 10-Pin 10 Pin Metal Can JM38510/11601BCC DG300AAA/883 JM38510/11601BIA DG300AAK/883 JM38510/11601BCA
Package
Part Number
DG301A_MIL
DG301AAK/883 14-Pin CerDIP JM38510/11602BCA 14-Pin Sidebraze -55 to 125_C DG301AAA 10-Pin Metal Can DG301AAA/883 JM38510/11602BIA JM38510/11602BCC
DG302A_MIL
DG302AAK 14-Pin CerDIP -55 to 125_C JM38510/11603BCA 14-Pin Sidebraze JM38510/11603BCC DG302AAK/883
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Document Number: 71677 S-31622--Rev. C, 11-Aug-03
DG300A_MIL/301A_MIL/302A_MIL
Vishay Siliconix
ABSOLUTE MAXIMUM RATINGS
Voltages Referenced to VV+ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44 V GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 V Digital Inputsa, VS, VD . . . . . . . . . . . . . . . . . . . . . . . . (V-) -2 V to (V+) +2V or 30 mA, whichever occurs first Current, Any Terminal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 mA Continuous Current, S or D (Pulsed at 1 ms, 10% duty cycle max) . . . . . . . . . . . . . . . . . . . . . . . . . . 100 mA Storage Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -65 to 150_C Power Dissipationb 14-Pin CerDIPc . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 825 mW 10-Pin Metal Cand . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 450 mW Notes: a. Signals on SX, DX, or INX exceeding V+ or V- will be clamped by internal diodes. Limit forward diode current to maximum current ratings. b. All leads welded or soldered to PC Board. c. Derate 11 mW/_C above 75_C d. Derate 6 mW/_C above 75_C
SCHEMATIC DIAGRAM (TYPICAL CHANNEL)
V+
S
VVIN Level Shift/ Drive V+ GND D
V-
FIGURE 1.
Document Number: 71677 S-31622--Rev. C, 11-Aug-03
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DG300A_MIL/301A_MIL/302A_MIL
Vishay Siliconix
SPECIFICATIONSa
Test Conditions Unless Specified Parameter Analog Switch
Analog Signal Rangee Drain-Source On-Resistance Source Off Leakage Current Drain Off Leakage Current Drain On Leakage Current VANALOG rDS(on) IS(off) VS = "14 V VD = #14 V V, ID(off) ID(on) VD = VS = "14 V VD = "10 V, IS = -10 mA Full Room Full Room Hot Room Hot Room Hot -1 -100 -1 -100 -1 -100 -15 30 "0.1 "0.1 "0.1 15 50 75 1 100 1 100 1 100 nA V W
Limits Tempb Minc Typd Maxc Unit
Symbol
V+ = 15 V, V - = -15 V VIN = 0.8 V or VIN = 4 Vf
Digital Control
Input Current with Input Voltage High Input Current with Input Voltage Low VIN = 5 V IINH VIN = 15 V IINL VIN = 0 V Room Full Room Full Room Full -1 -1 -1 -1 -0.001 0.001 -0.001 1 1 mA
Dynamic Characteristics
Turn-On Time Turn-Off Time Break-Before-Make Time Charge Injection Source-Off Capacitance Drain-Off Capacitance Channel-On Capacitance Input Capacitance Off-Isolation Crosstalk (Channel-to-Channel) tON tOFF tOPEN Q CS(off) CD(off) CD(on) Ciin OIRR XTALK f = 1 MHz VIN = 0 V VIN = 15 V VS, VD = 0 V, f = 1 MHz , Room See Figure 2 DG301A_MIL Only Figure 3 CL = 1 nF, Rgen = 0 W Vgen = 0 V, Figure 4 Room Room Room Room Room Room Room Room Room Room 150 130 50 8 14 14 40 6 7 62 74 dB p pF pC 300 250 ns
VIN = 0 V, RL = 1 kW VS = 1 Vrms, f = 500 kHz
Power Supplies
Positive Supply Current Negative Supply Current Positive Supply Current Negative Supply Current I+ II+ VIN = 0 8 V (All Inputs) 0.8 IVIN = 4 V (One Input) All Others = 0 V Room Full Room Full Room Full Room Full -10 -100 -10 -100 0.23 -0.001 0.001 -0.001 10 100 mA 0.5 1 mA
Notes: a. Refer to PROCESS OPTION FLOWCHART. b. Room = 25_C, Full = as determined by the operating temperature suffix. c. The algebraic convention whereby the most negative value is a minimum and the most positive a maximum, is used in this data sheet. d. Typical values are for DESIGN AID ONLY, not guaranteed nor subject to production testing. e. Guaranteed by design, not subject to production test. f. VIN = input voltage to perform proper function.
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Document Number: 71677 S-31622--Rev. C, 11-Aug-03
DG300A_MIL/301A_MIL/302A_MIL
Vishay Siliconix
TYPICAL CHARACTERISTICS (25_C UNLESS NOTED)
rDS(on) vs. VD and Power Supply
W) W) 90 TA = 25_C 70 "5 V 60 V+ = 15 V V - = -15 V 50
rDS(on) vs. VD and Temperature
r DS(on)- Drain-Source On-Resistance (
r DS(on)- Drain-Source On-Resistance (
40 TA = 125_C 30 TA = 25_C 20 TA = -55_C 10 -15 -10 -5 0 5 10 15 VD - Drain Voltage (V)
50
"8 V "10 V
30
"12 V "15 V "20 V
10
-25
-15
-5
5
15
25
VD - Drain Voltage (V)
rDS(on) vs. VD and Power Supply Voltage
W) 100 7.5 V V- = 0 V TA = 25_C 500
Switching Time and Break-Before-Make Time vs. Positive Supply Voltage
V - = -15 V TA = 25_C VINH = 4 V VINL = 0 V
r DS(on)- Drain-Source On-Resistance (
400 80 t ON t OFF (ns) , 10 V 60 15 V 40 20 V 100 tOPEN DG301/303 Only 20 0 5 10 VD - Drain Voltage (V) 15 20 0 0 5 300 tOFF
200
tON
10
15
V+ - Positive Supply (V)
Charge Injection vs. Analog Voltage
50 V+ = 15 V V - = -15 V CL = 1 nF 5
Input Switching Threshold vs. Positive Supply Voltage
V - = -15 V TA = 25_C 4
40
30 V T (V) 20 Q (pC)
3
2
10
1
0 -15 -10 -5 0 5 10 15 0 5 10 15 VS - Source Voltage (V) V+ - Positive Supply (V)
Document Number: 71677 S-31622--Rev. C, 11-Aug-03
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DG300A_MIL/301A_MIL/302A_MIL
Vishay Siliconix
TYPICAL CHARACTERISTICS (25_C UNLESS NOTED)
Supply Current vs. Temperature
500 -120
Off Isolation and Crosstalk vs. Frequency
400
-100 I+ -80 V+ = 15 V V - = -15 V VIN = 4 V (One Input) (All Other = 0 V) I(dB)
Crosstalk
300 I+, I- ( mA)
200
Off Isolation -60 V+ = +15 V V - = -15 V RL= 50 W
100
-40
0 -100 -55 -35 -15 5 25 45 65 85 105 125 Temperature (_C) -20 10 k
100 k
1M
10 M
f - Frequency (Hz)
Supply Curents vs. Switching Frequency
15 V+ = 15 V V - = -15 V 10 nA 10 I+, I- (mA) I S, I D 1 nA 100 nA
Leakage vs. Temperature
V+ = 15 V V - = -15 V VS, VD = "14 V
ID(on)
5 +I -I 0 1k 10 k 100 k 1M f - Frequency (Hz) 10 pA -55 -35 -15 5 25 45 65 85 105 125 100 pA ID(off) or IS(off)
Temperature (_C)
Switching Time vs. Power Supply Voltage
400 350 300 250 Time (ns) 200 150 100 50 0 "10 tON tOFF Time (ns) 400 350 300 250 200 150 100 50 0 "12 "14 "16 "18 "20 "22 -55 -35
Switching Time vs. Temperature
V+ = 15 V V - = -15 V VS = 3 V
tON
tOFF
-15
5
25
45
65
85
105
125
Supply Voltage (V)
Temperature (_C)
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Document Number: 71677 S-31622--Rev. C, 11-Aug-03
DG300A_MIL/301A_MIL/302A_MIL
Vishay Siliconix
TEST CIRCUITS
+15 V Logic "1" = Switch On V+ VS = 3 V S IN GND VRL 300 W CL 33 pF VS Switch Output 0V -15 V CL (includes fixture and stray capacitance) VO = VS RL RL + rDS(on) tON tOFF 90% 10% D VO Logic Input 0V 50%
5V
FIGURE 2. Switching Time
+15 V Logic Input D1 D2 VO2 VO1 Switch Output RL1 300 W RL2 300 W CL2 33 pF CL1 33 pF 0V VS1 VO1 0V VS2 Switch Output 0 V VO2 50% 50% Logic "1" = Switch On VINH 50%
V+ VS1 = 3 V VS2 = 3 V S1 S2 IN GND V-
-15 V CL (includes fixture and stray capacitance)
tBBM
FIGURE 3. Break-Before-Make SPDT (DG301A_MIL)
+15 V
Rg
V+ S IN D CL 1 nF VVO VO
DVO
Vg 3V
INX ON OFF ON
GND
-15 V
FIGURE 4. Charge Injection
Document Number: 71677 S-31622--Rev. C, 11-Aug-03
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DG300A_MIL/301A_MIL/302A_MIL
Vishay Siliconix
APPLICATION HINTSa
V+ Positive Supply Voltage (V)
15 20 15
VNegative Supply Voltage (V)
-15 -20 0
GND Voltage (V)
0 0 0
VIN Logic Input Voltage VINH(min)/VINL(max) (V)
4/0.8 4/0.8 4/0.8
VS or VD Analog Voltage Range (V)
-15 to 15 -20 to 20 0 to 15
Note: a. Application Hints are for DESIGN AID ONLY, not guaranteed and not subject to production testing.
APPLICATIONS
The DG300A_MIL series of analog switches will switch positive analog signals while using a single positive supply. This facilitates their use in applications where only one supply is available. The trade-offs of using single supplies are: 1) Increased rDS(on); 2) slower switching speed. The analog voltage should not go above or below the supply voltages which in single operation are V+ and 0 V. (See Input Switching Threshold vs. Positive Supply Voltage Curve.)
+15 V 50 kW
10 kW 5 kW
+15 V
VOUT 10 mF +15 V
DG301A
100 kW 5 kW
+5 V
TTL Input
10 kW
FIGURE 5. Single Supply Op Amp Switching
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Document Number: 71677 S-31622--Rev. C, 11-Aug-03
DG300A_MIL/301A_MIL/302A_MIL
Vishay Siliconix
APPLICATIONS
+15 V
-15 V
+15 V
CMOS Logic Input Select High = Diff. IN B
Diff. IN A -15 V +15 V
+ R2 75 kW
R4 75 kW R6 75 kW
Diff. IN B VOUT R2 75 kW
DG302A
R1 16 kW
Ri1 1.5 kW
DG301A
GND
+15 V VOSNULL R5 75 kW R7 50 kW 67 kW
CMOS Logic Gain Select High = AV = 101
Voltage gain of the instrumentation amplifier is: AV = 1 + 2R2 R1 (In the circuit shown, AV1 = 10.4, AV2 = 101) -15 V
FIGURE 6. Low Power Instrumentation Amplifier with Digitally Selectable Inputs and Gain
Document Number: 71677 S-31622--Rev. C, 11-Aug-03
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Legal Disclaimer Notice
Vishay
Disclaimer
All product specifications and data are subject to change without notice. Vishay Intertechnology, Inc., its affiliates, agents, and employees, and all persons acting on its or their behalf (collectively, "Vishay"), disclaim any and all liability for any errors, inaccuracies or incompleteness contained herein or in any other disclosure relating to any product. Vishay disclaims any and all liability arising out of the use or application of any product described herein or of any information provided herein to the maximum extent permitted by law. The product specifications do not expand or otherwise modify Vishay's terms and conditions of purchase, including but not limited to the warranty expressed therein, which apply to these products. No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this document or by any conduct of Vishay. The products shown herein are not designed for use in medical, life-saving, or life-sustaining applications unless otherwise expressly indicated. Customers using or selling Vishay products not expressly indicated for use in such applications do so entirely at their own risk and agree to fully indemnify Vishay for any damages arising or resulting from such use or sale. Please contact authorized Vishay personnel to obtain written terms and conditions regarding products designed for such applications. Product names and markings noted herein may be trademarks of their respective owners.
Document Number: 91000 Revision: 18-Jul-08
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