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DG185 데이터시트 PDF




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


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부품번호 DG185 기능
기능 High-Speed Drivers with Dual DPST JFET Switches
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DG185 데이터시트, 핀배열, 회로
DG183/184/185
High-Speed Drivers with 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
16 S1
15 IN1
14 V–
13 VR
Dual-In-Line
Top View
12 VL
11 V+
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
Truth Table
Logic
Switch
0 OFF
1 ON
Logic “0” v 0.8 V
Logic “1” w 2.0 V
Updates to this data sheet may be obtained via facsimile by calling Siliconix FaxBack, 1-408-970-5600. Please request FaxBack document #70032.
Siliconix
S-52895—Rev. D, 16-Jun-97
1




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

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DG185 전자부품, 판매, 대치품
Typical Characteristics (Cont’d)
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
20 Capacitance vs. VD or VS (DG184/185)
18
VINL = 0.8 V
VINH = 2 V
16 f = 1 MHz
CD(on)
14
12
10
8 CS(off)
6 CD(off)
4
Capacitance is measured from test terminal
2 to common.
0
–10 –8 –6 –4 –2 0 2 4 6
8
10
VD or VS – Drain or Source Voltage (V)
DG183/184/185
30 Capacitance vs. VD or VS (DG183)
f = 1 MHz
26
22 CS(off)
18 CD(on)
14 CD(off)
10
–8
–4
0
48
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
20
VR = 0, VL = 5 V
RL = 75 W
10 VIN w 220 mVRMS
0
105
106 107
f – Frequency (Hz)
108
Siliconix
S-52895—Rev. D, 16-Jun-97
7

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