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DG180/181/182
Vishay Siliconix
High-Speed Drivers with Dual SPST JFET Switches
FEATURES
D Constant On-Resistance Over Entire Analog Range D Low Leakage D Low Crosstalk D Rad Hardness
BENEFITS
D D D D D Low Distortion Eliminates Large Signal Errors High Precision High Bandwidth Capability Fault Protection
APPLICATIONS
D D D D D Audio Switching Video Switching Sample/Hold Guidance and Control Systems Aerospace
DESCRIPTION
The DG180/181/182 are precision dual single-pole, single-throw (SPST) analog switches designed to provide accurate switching of video and audio signals. This series is ideally suited for applications requiring a constant on-resistance over the entire analog range. on-resistance include audio switching, video switching, and data acquisition.
The major difference in the devices is the on-resistance (DG180--10 W, DG181--30 W, DG182--75 W). Reduced errors are achieved through low leakage current (ID(on) < 2 nA). Applications which benefit from the flat JFET
To achieve fast and accurate switch performance, each device comprises four n-channel JFET transistors and a TTL compatible bipolar driver. In the on state, each switch conducts current equally well in either direction. In the off condition, the switches will block up to 20 V peak-to-peak, with feedthrough of less than -60 dB at 10 MHz.
FUNCTIONAL BLOCK DIAGRAM AND PIN CONFIGURATION
S1 D1 NC NC IN1 V+ VL
1 2 3 4 5 6 7 Dual-In-Line Top View
14 13 12 11 10 9 8
S2 D2 NC NC IN2 V- VR S1 D1 NC NC IN1 V+ VL 1 2 3 4 5 6 7 14 13 12 Flat Package 11 Top View 10 9 8 S2 D2 NC NC IN2 V-* VR IN1 D1 2 3 4 Refer to JAN38510 Information, Military Section V+ S1
S2 D2 9 IN2 8 7 6 5 VL VR V-
10 1
Metal Can Top View
*Common to Substrate and Case
TRUTH TABLE
Logic
0 1 Logic "0" v 0.8 V Logic "1" w 2.0 V 20 Document Number: 70031 S-52895--Rev. D, 16-Jun-97 www.vishay.com S FaxBack 408-970-5600
Switch
ON OFF
4-1
DG180/181/182
Vishay Siliconix
ORDERING INFORMATION
Temp Range
-25 to 85_C
Package
10-Pin Metal Can 14-Pin Sidebraze 10-Pin Metal Can 10 Pi M l C DG181BA DG180BP
Part Number
DG180AA/883, 5962-8767301IA DG181AA/883, JM38510/11101BIA DG182AA/883, JM38510/11102BIA DG180AP/883, 5962-8767301CA -55 to 125 C 55 125_C 14-Pin Sidebraze 14 Pi Sid b DG181AP/883, JM38510/11101BCA DG182AP/883, JM38510/11102BCA 5962-8767301XA 14-Pin Flat Pack 14 Pi Fl P k JM38510/11101BXA JM38510/11102BXA
ABSOLUTE MAXIMUM RATINGS
V+ to V- . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36 V V+ to VD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 V VD to V- . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 V VD to VD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . "22 V VL to V- . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36 V VL to VIN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 V VL to VR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 V VIN to VR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 V VR to V- . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 V VR to VIN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 V Current (S or D) DG180 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 200 mA Current (S or D) DG181, DG182 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 mA Current (All Other Pins) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 mA Storage Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -65 to 150_C Power Dissipationa 10-Pin Metal Canb . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 450 mW 14-Pin Sidebrazec . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 825 mW 14-Pin Flat Packd . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 900 mW Notes: a. All leads welded or soldered to PC Board. b. Derate 6 mW/_C above 75_C c. Derate 11 mW/_C above 75_C d. Derate 10 mW/_C above 75_C
SCHEMATIC DIAGRAM (TYPICAL CHANNEL)
VL
V+
IN
S
D
VR
V-
FIGURE 1.
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4-2
Document Number: 70031 S-52895--Rev. D, 16-Jun-97
DG180/181/182
Vishay Siliconix
SPECIFICATIONSa FOR DG180
Test Conditions Unless Specified Parameter Analog Switch
Analog Signal Rangee Drain-Source On-Resistance Source Off Leakage Current Lk C t VANALOG rDS(on) IS = -10 mA, VD = -7.5 V VS = "10 V, VD = #10 V V+ = 10 V, V- = -20 V IS(off) VS = "7.5 V, VD = #7.5 V VS = "10 V, VD = #10 V V+ = 10 V, V- = -20 V ID(off) VS = "7.5 V, VD = #7.5 V ID(on) IDSS VD = VS = "7.5 V 2 ms Pulse Duration Full Room Full Room Hot Room Hot Room Hot Room Hot Room Hot Room 7.5 0.05 0.05 0.04 0.03 -0.1 300 -2 -200 -7.5 15 10 20 10 1000 10 1000 10 1000 10 1000 -10 -200 mA -7.5 15 15 25 15 300 15 300 15 300 15 300 nA A V W
A Suffix
-55 to 125_C
B Suffix
-25 to 85_C
Symbol
V+ = 15 V, V- = -15 V, VL = 5 V VR = 0 V, VIN = 2 V, 0.8 Vf
Tempb
Typc
Mind
Maxd
Mind
Maxd
Unit
Drain Off Leakage Current Lk C t Channel On Leakage Current Saturation Drain Current
Digital Input
Input Current with Input Voltage High Input Current with Input Voltage Low IINH IINL VIN = 5 V VIN = 0 V Room Hot Full <0.01 10 20 -250 -250 10 20
mA
-30
Dynamic Characteristics
Turn-On Time Turn-Off Time Source-Off Capacitance Drain-Off Capacitance Channel-On Capacitance Off Isolation ton toff CS(off) CD(off) CD(on) OIRR MH f = 1 MHz VS = -5 V, ID = 0 VD = -5 V, IS = 0 VD = VS = 0 V f = 1 MHz, RL = 75 W Room See Switching Time Test Circuit Room Room Room Room Room 140 21 17 17 >55 dB pF 200 250 240 400 600 ns
Power Supplies
Positive Supply Current Negative Supply Current Logic Supply Current Reference Supply Current I+ I- IL IR VIN = 0 V, or 5 V V Room Room Room Room 0.6 -2.7 3 -1 -2 -5 4.5 -2 1.5 -5 mA A 4.5 1.5
Notes: a. Refer to PROCESS OPTION FLOWCHART . b. Room = 25_C, Full = as determined by the operating temperature suffix. c. Typical values are for DESIGN AID ONLY, not guaranteed nor subject to production testing. d. The algebraic convention whereby the most negative value is a minimum and the most positive a maximum, is used in this data sheet. e. Guaranteed by design, not subject to production test. f. VIN = input voltage to perform proper function.
Document Number: 70031 S-52895--Rev. D, 16-Jun-97
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4-3
DG180/181/182
Vishay Siliconix
SPECIFICATIONSa FOR DG181
Test Conditions Unless Specified Parameter Analog Switch
Analog Signal Rangee Drain-Source On-Resistance VANALOG rDS(on) IS = -10 mA, VD = -7.5 V VS = "10 V, VD = #10 V V+ = 10 V, V- = -20 V IS(off) VS = "7.5 V, VD = #7.5 V VS = "10 V, VD = #10 V V+ = 10 V, V- = -20 V ID(off) VS = "7.5 V, VD = #7.5 V ID(on) VD = VS = "7.5 V Full Room Full Room Hot Room Hot Room Hot Room Hot Room Hot 18 0.05 0.07 0.5 0.6 -0.02 -2 -200 -7.5 15 30 60 1 100 1 100 1 100 1 100 -10 -200 -7.5 15 50 75 5 100 5 100 5 100 5 100 nA A V W
A Suffix
-55 to 125_C
B Suffix
-25 to 85_C
Symbol
V+ = 15 V, V- = -15 V, VL = 5 V VR = 0 V, VIN = 2 V, 0.8 Vf
Tempb
Typc
Mind
Maxd
Mind
Maxd
Unit
Source Off Leakage Current Lk C t
Drain Off Leakage Current Lk C t
Channel On Leakage Current
Digital Input
Input Current with Input Voltage High Input Current with Input Voltage Low IINH IINL VIN = 5 V VIN = 0 V Room Hot Full <0.01 10 20 -250 -250 10 20
mA
-30
Dynamic Characteristics
Turn-On Time Turn-Off Time Source-Off Capacitance Drain-Off Capacitance Channel-On Capacitance Off Isolation ton toff CS(off) CD(off) CD(on) OIRR f = 1 MHz MH VS = -5 V, ID = 0 VD = -5 V, IS = 0 VD = VS = 0 V f = 1 MHz, RL = 75 W Room See Switching Time Test Circuit Room Room Room Room Room 95 9 6 14 >50 dB pF F 130 150 85 150 180 ns
Power Supplies
Positive Supply Current Negative Supply Current Logic Supply Current Reference Supply Current I+ I- IL IR VIN = 0 V, or 5 V V Room Room Room Room 0.6 -2.7 3.1 -1 -2 -5 4.5 -2 1.5 -5 mA A 4.5 1.5
Notes: a. Refer to PROCESS OPTION FLOWCHART . b. Room = 25_C, Full = as determined by the operating temperature suffix. c. Typical values are for DESIGN AID ONLY, not guaranteed nor subject to production testing. d. The algebraic convention whereby the most negative value is a minimum and the most positive a maximum, is used in this data sheet. e. Guaranteed by design, not subject to production test. f. VIN = input voltage to perform proper function.
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4-4
Document Number: 70031 S-52895--Rev. D, 16-Jun-97
DG180/181/182
Vishay Siliconix
SPECIFICATIONSa FOR DG182
Test Conditions Unless Specified Parameter Analog Switch
Analog Signal Rangee Drain-Source On-Resistance VANALOG rDS(on) IS = -10 mA, VD = -7.5 V VS = "10 V, VD = #10 V V+ = 10 V, V- = -20 V IS(off) VS = "10 V, VD = #10 V VS = "10 V, VD = #10 V V+ = 10 V, V- = -20 V ID(off) VS = "10 V, VD = #10 V ID(on) VD = VS = "10 V Full Room Full Room Hot Room Hot Room Hot Room Hot Room Hot 35 0.05 0.07 0.4 0.5 -0.02 -2 -200 -10 15 75 150 1 100 1 100 1 100 1 100 -10 -200 -10 15 100 150 5 100 5 100 5 100 5 100 nA A V W
A Suffix
-55 to 125_C
B Suffix -25 to 85_C Mind Maxd Unit
Symbol
V+ = 15 V, V- = -15 V, VL = 5 V VR = 0 V, VIN = 2 V, 0.8 Vf
Tempb
Typc
Mind
Maxd
Source Off Leakage Current Lk C t
Drain Off Leakage Current Lk C t
Channel On Leakage Current
Digital Input
Input Current with Input Voltage High Input Current with Input Voltage Low IINH IINL VIN = 5 V VIN = 0 V Room Hot Full <0.01 10 20 -250 -250 10 20 mA
-30
Dynamic Characteristics
Turn-On Time Turn-Off Time Source-Off Capacitance Drain-Off Capacitance Channel-On Capacitance Off Isolation ton toff CS(off) CD(off) CD(on) OIRR f = 1 MHz MH Room See Switching Time Test Circuit VS = -5 V, ID = 0 VD = -5 V, IS = 0 VD = VS = 0 V f = 1 MHz, RL = 75 W Room Room Room Room Room 120 100 9 6 14 >50 dB pF F 250 130 300 150 ns
Power Supplies
Positive Supply Current Negative Supply Current Logic Supply Current Reference Supply Current I+ I- IL IR VIN = 0 V, or 5 V V Room Room Room Room 0.6 -2.7 3.1 -1 -2 -5 4.5 -2 1.5 -5 mA A 4.5 1.5
Notes: a. Refer to PROCESS OPTION FLOWCHART . b. Room = 25_C, Full = as determined by the operating temperature suffix. c. Typical values are for DESIGN AID ONLY, not guaranteed nor subject to production testing. d. The algebraic convention whereby the most negative value is a minimum and the most positive a maximum, is used in this data sheet. e. Guaranteed by design, not subject to production test. f. VIN = input voltage to perform proper function.
Document Number: 70031 S-52895--Rev. D, 16-Jun-97
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4-5
DG180/181/182
Vishay Siliconix
TYPICAL CHARACTERISTICS (25_C UNLESS NOTED)
Supply Current vs. Temperature
5 100 VINL = 0 VINH = 5 V 4 R (mA) 80
IIN vs. VIN and Temperature
I L , I-, I+, I
-I- 2 -IR 1 I+
I IN (mA)
3
IL
60
-IINL
40
20 IINH
0 -55 -35
-15
5
25
45
65
85
105
125
0 -55 -35
-15
5
25
45
65
85
105
125
Temperature (_C)
Temperature (_C)
rDS(on) vs. Temperature
100 DG182 210 190 t ON t OFF (ns) , 170 230
Switching Time vs. VD and Temperature (DG180)
VD = 7.5 V VD = -7.5 V tON
DG181 r DS(on) ( W )
10 DG180 VD = -7.5 V IS = -10 mA
tOFF 150 130 110
1 -50 -25 0 25 50 75 100 125 Temperature (_C)
90 -55
-35
-15
5
25
45
65
85
105 125
Temperature (_C)
Leakage vs. Temperature (DG180)
100 V+ = 10 V V- = -20 V VL = 5 V VR = 0 t ON t OFF (ns) , 10 I S, I D (nA)
Switching Time vs. VD and Temperature (DG181/182)
130 120 110 100 90 80 70 tOFF VD = 7.5 V VD = -7.5 V tON
IS(off) 1 ID(on) ID(off)
60 50 -55
0.1 25 45 65 85 105 125 Temperature (_C)
-35
-15
5
25
45
65
85
105
125
Temperature (_C)
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4-6
Document Number: 70031 S-52895--Rev. D, 16-Jun-97
DG180/181/182
Vishay Siliconix
TYPICAL CHARACTERISTICS (25_C UNLESS NOTED)
ID(off) vs. Temperature (DG181/182)
100 V+ = 10 V, V- = -20 V VD = -10 V, VS = 10 V 30 f = 1 MHz 26
Capacitance vs. VD or VS (DG180)
10 C S, D (pF) I D (nA) 22 CS(off)
B Suffix 1 A Suffix
18
CD(on)
14
CD(off)
0.1 25 45 65 85 Temperature (_C) 105 125
10 -8 -4 0 4 VD or VS - Drain or Source Voltage (V) 8
Capacitance vs. VD or VS (DG181/182)
20 18 16 14 C S, D (pF) ISO (dB) 12 10 8 6 4 2 0 -10 Capacitance is measured from test terminal to common. -8 -6 -4 -2 0 2 4 6 8 10 CD(off) CS(off) VINL = 0.8 V VINH = 2 V f = 1 MHz CD(on) 100 90 80 70 60 50 40 30 20 10 0 105
Off Isolation vs. Frequency
DG181/182 DG180
V+ = 15 V, V- = -15 V VR = 0, VL = 5 V RL = 75 W VIN w 220 mVRMS
106
107
108
VD or VS - Drain or Source Voltage (V)
f - Frequency (Hz)
Document Number: 70031 S-52895--Rev. D, 16-Jun-97
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4-7
DG180/181/182
Vishay Siliconix
TEST CIRCUITS
Feedthrough due to charge injection may result in spikes at the leading and trailing edge of the output waveform.
+5 V tON: VS = 3 V tOFF: VS = -3 V S IN VR
+15 V Logic Input D VO RL 1 kW V- 0V -15 V tON Switch Output CL 100 pF 3V 90% 3V 50% 0V
tr <10 ns tf <10 ns
VL
V+
tOFF 0V
CL (includes fixture and stray capacitance) RL VOUT + VS x R ) r L DS(on) -3 V 90%
FIGURE 2. Switching Time
APPLICATION HINTSa
V- Negative Supply Voltage (V)
-15 -20 -12 -15 -20 -12
Switch
DG180 DG181
V+ Positive Supply Voltage (V)
15b 10 12 15b
VL Logic Supply Voltage (V)
5 5 5 5 5 5
VR Reference Supply Voltage (V)
GND GND GND GND GND GND
VIN Logic Input Voltage VINH(min)/VINL(max
)
(V)
2.0/0.8 2.0/0.8 2.0/0.8 2.0/0.8 2.0/0.8 2.0/0.8
VS Analog Voltage Range (V)
-7.5 to 15 -12.5 to 10 -4.5 to 12 -10 to 15 -15 to 10 -7 to 12
DG182
10 12
Notes: a. Application Hints are for DESIGN AID ONLY, not guaranteed and not subject to production testing. b. Electrical Parameter Chart based on V+ = 15 V, VL = 5 V, VR = GND
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4-8
Document Number: 70031 S-52895--Rev. D, 16-Jun-97

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