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PDF DG184 Data sheet ( Hoja de datos )
| Número de pieza | DG184 | |
| Descripción | High-Speed Drivers and Dual DPST JFET Switches | |
| Fabricantes | Vishay Siliconix | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de DG184 (archivo pdf) en la parte inferior de esta página. Total 8 Páginas | ||
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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
1 page  
DG183/184/185
Vishay Siliconix
SPECIFICATIONSa FOR DG185
Parameter
Analog Switch
Analog Signal Rangee
Drain-Source
On-Resistance
Source Off
Leakage Current
Drain Off
Leakage Current
Channel On
Leakage Current
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
–55 to 125_C
B Suffix
–25 to 85_C
Mind Maxd Mind Maxd Unit
VANALOG
rDS(on)
IS(off)
ID(off)
ID(on)
IS = –10 mA, VD = –7.5 V
VS = "10 V, VD = #10 V
V+ = 10 V, V– = –20 V
VS = "10 V, VD = #10 V
VS = "10 V, VD = #10 V
V+ = 10 V, V– = –20 V
VS = "10 V, VD = #10 V
VD = VS = "10 V
Full –10 15 –10 15
Room
Full
35
75 100
150 150
Room
0.05
1
5
Hot 100 100
Room
0.07
1
5
Hot 100 100
Room
Hot
0.4
15
100 100
Room
Hot
0.3
15
100 100
Room
Hot
–0.03
–2
–200
–10
–200
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
Hot
<0.01
10
20
10
20
Full –30 –250
–250
mA
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
Power Supplies
Positive Supply Current
Negative Supply Current
Logic Supply Current
Reference Supply Current
I+
I–
IL
IR
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
VIN = 0 V, or 5 V
Room
120
250
300
ns
Room
100
130
150
Room
9
Room
6
pF
Room
14
Room
>50
dB
Room
0.6
3
3
Room
–2.7
–5.5
–5.5
Room
3.1
4.5 4.5
Room
–1
–2
–2
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.
Document Number: 70032
S-52895—Rev. D, 16-Jun-97
www.vishay.com S FaxBack 408-970-5600
4-5
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet DG184.PDF ] | |
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