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DG185 데이터시트 PDF




Vishay Siliconix에서 제조한 전자 부품 DG185은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


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부품번호 DG185 기능
기능 High-Speed Drivers and Dual DPST JFET Switches
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DG185 데이터시트, 핀배열, 회로
DG183/184/185
Vishay Siliconix
High-Speed Drivers and Dual DPST JFET Switches
FEATURES
D Constant On-Resistance Over
Entire Analog Range
D Low Leakage
D Low Crosstalk
D Break-Before-Make Switching
D Rad Hardness
BENEFITS
D Low Distortion
D Eliminates Large Signal Errors
D High Precision
D Improved Channel Isolation
D Eliminates Inadvertent Shorting
Between Channels
D Fault Protection
APPLICATIONS
D Audio Switching
D Precision Switching
D Video Switching
D Video Routing
D Sample/Hold
D Aerospace
DESCRIPTION
The DG183/184/185 are precision dual double-pole,
single-throw (DPST) 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.
The major difference in the devices is the on-resistance
(DG183—10 W, DG184—30 W, DG185—75 W). Reduced
errors are achieved through low leakage current (ID(on)
< 2 nA). Applications which benefit from the flat JFET
on-resistance include audio switching, video switching, and
data acquisition.
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
D1 1
NC
2
D3 3
S3 4
S4 5
D4 6
NC
7
D2 8
Dual-In-Line
Top View
16 S1
15 IN1
14 V–
13 VR
12 VL
V+
11
10 IN2
9 S2
S4 1 14 S3
D4 2 13 D3
D2 3 Flat 12 D1
S2 4 Package 11 S1
IN2 5 Top View 10 IN1
V+ 6 9 V–*
VL 7 8 VR
Refer to JAN38510 Information, Military Section
*Common to Substrate and Case
Document Number: 70032
S-52895—Rev. D, 16-Jun-97
TRUTH TABLE
Logic
Switch
0 OFF
1 ON
Logic “0” v 0.8 V
Logic “1” w 2.0 V
www.vishay.com S FaxBack 408-970-5600
4-1




DG185 pdf, 반도체, 판매, 대치품
DG183/184/185
Vishay Siliconix
SPECIFICATIONSa FOR DG184
Parameter
Analog Switch
Analog Signal Rangee
Drain-Source
On-Resistance
Source Off
Leakage Current
Symbol
Test Conditions
Unless Specified
V+ = 15 V, V– = –15 V, VL = 5 V
VR = 0 V, VIN = 0.8 V or 2 Vf
VANALOG
rDS(on)
IS(off)
IS = –10 mA, VD = –7.5 V
VS = "10 V, VD = #10 V
V+ = 10 V, V– = –20 V
VS = "7.5 V, VD = #7.5 V
Drain Off
Leakage Current
ID(off)
VS = "10 V, VD = #10 V
V+ = 10 V, V– = –20 V
VS = "7.5 V, VD = #7.5 V
Channel On
Leakage Current
ID(on)
VD = VS = "7.5 V
Digital Input
Input Current with
Input Voltage High
Input Current with
Input Voltage Low
IINH
IINL
VIN = 5 V
VIN = 0 V
Dynamic Characteristics
Turn-On Time
Turn-Off Time
Source-Off Capacitance
Drain-Off Capacitance
Channel-On Capacitance
Off Isolation
Power Supplies
ton
toff
CS(off)
CD(off)
CD(on)
OIRR
See Switching Time Test Circuit
VS = –5 V, ID = 0
f = 1 MHz
VD = –5 V, IS = 0
VD = VS = 0 V
f = 1 MHz, RL = 75 W
Positive Supply Current
Negative Supply Current
Logic Supply Current
Reference Supply Current
I+
I–
IL
IR
VIN = 0 V, or 5 V
Tempb
Full
Room
Full
Room
Hot
Room
Hot
Room
Hot
Room
Hot
Room
Hot
Room
Hot
Full
Room
Room
Room
Room
Room
Room
Room
Room
Room
Room
Typc
22
0.06
0.05
0.4
0.3
–0.02
<0.01
–30
85
95
9
6
14
>50
0.6
–2.7
3.1
–1
A Suffix
–55 to 125_C
Mind Maxd
–7.5
–2
–200
15
30
60
1
100
1
100
1
100
1
100
–250
10
20
150
130
3
–5.5
4.5
–2
B Suffix
–25 to 85_C
Mind Maxd
–7.5
–10
–200
15
50
75
5
100
5
100
5
100
5
100
–250
10
20
180
150
–5.5
–2
3
4.5
Unit
V
W
nA
mA
ns
pF
dB
mA
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.
www.vishay.com S FaxBack 408-970-5600
4-4
Document Number: 70032
S-52895—Rev. D, 16-Jun-97

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DG185 전자부품, 판매, 대치품
TYPICAL CHARACTERISTICS (25_C UNLESS NOTED)
DG183/184/185
Vishay Siliconix
ID(off) vs. Temperature (DG184/185)
100
V+ = 10 V, V– = –20 V
VD = –10 V, VS = 10 V
10
B Suffix
1
A Suffix
0.1
25
45 65 85 105
Temperature (_C)
125
Capacitance vs. VD or VS (DG184/185)
20
18
VINL = 0.8 V
VINH = 2 V
f = 1 MHz
16
CD(on)
14
12
10
CS(off)
8
6 CD(off)
4
Capacitance is measured from test terminal
2 to common.
0
–10 –8 –6 –4 –2 0 2
46
8
VD or VS – Drain or Source Voltage (V)
10
Capacitance vs. VD or VS (DG183)
30
f = 1 MHz
26
22 CS(off)
18 CD(on)
14 CD(off)
10
–8 –4 0 4 8
VD or VS – Drain or Source Voltage (V)
Off Isolation vs. Frequency
100
90
80 DG184/185
70 DG183
60
50
40
30 V+ = 15 V, V– = –15 V
VR = 0, VL = 5 V
20 RL = 75 W
VIN w 220 mVRMS
10
0
105 106 107
f – Frequency (Hz)
108
Document Number: 70032
S-52895—Rev. D, 16-Jun-97
www.vishay.com S FaxBack 408-970-5600
4-7

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