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PDF DG442 Data sheet ( Hoja de datos )
| Número de pieza | DG442 | |
| Descripción | SPST Analog Switches | |
| Fabricantes | Maxim Integrated | |
| Logotipo |  |
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19-4611; Rev 5; 5/09
Improved, Quad, SPST Analog Switches
General Description
Maxim’s redesigned DG441/DG442 analog switches
now feature on-resistance matching (4Ω max) between
switches and guaranteed on-resistance flatness over
the signal range (9Ω max). These low on-resistance
switches conduct equally well in either direction. They
guarantee low charge injection (10pC max), low power
consumption (1.65mW), and an ESD tolerance of 2000V
minimum per Method 3015.7. The new design offers
lower off-leakage current over temperature (less than
5nA at +85°C).
The DG441/DG442 are quad, single-pole/single-throw
(SPST) analog switches. The DG441 has four normally
closed switches, and the DG442 has four normally
open switches. Switching times are less than 250ns for
tON and less than 170ns for tOFF. These devices oper-
ate from a single +10V to +30V supply, or bipolar ±4.5V
to ±20V supplies. Maxim’s improved DG441/DG442
continue to be fabricated with a 44V silicon-gate
process.
New Features
♦ Plug-In Upgrades for Industry-Standard DG441/DG442
♦ Improved rDS(ON) Match Between Channels(4Ωmax)
♦ Guaranteed rFLAT(ON) Over Signal Range (9Ωmax)
♦ Improved Charge Injection (10pC max)
♦ Improved Off-Leakage Current Over Temperature
(<5nA at +85°C)
♦ Withstand Electrostatic Discharge (2000V min)
per Method 3015.7
Existing Features
♦ Low rDS(ON) (85Ω max)
♦ Single-Supply Operation +10V to +30V
Bipolar-Supply Operation ±4.5V to ±20V
♦ Low Power Consumption (1.65mW max)
♦ Rail-to-Rail Signal Handling
♦ TTL/CMOS-Logic Compatible
Ordering Information
Sample-and-Hold Circuits
Communication Systems
Test Equipment
Battery-Operated Systems
Heads-Up Displays
Fax Machines
Applications
PBX, PABX
Guidance and Control
Systems
Audio-Signal Routing
Military Radios
Modems
PART
TEMP RANGE
PIN-PACKAGE
DG441CJ
0°C to +70°C
16 Plastic DIP
DG441CY
0°C to +70°C
16 Narrow SO
DG441C/D
0°C to +70°C
Dice*
DG441DJ
-40°C to +85°C
16 Plastic DIP
DG441DY
-40°C to +85°C
16 Narrow SO
Ordering Information continued at end of data sheet.
Note: Devices are available in both leaded and lead(Pb)-free
packaging. Specify lead-free by adding the + symbol at the
end of the part number when ordering.
*Contact factory for dice specifications.
Pin Configurations/Functional Diagrams/Truth Tables
TOP VIEW
IN1 1
D1 2
S1 3
V- 4
GND 5
S4 6
D4 7
IN4 8
DG441
16 IN2
15 D2
14 S2
13 V+
12 N.C.
11 S3
10 D3
9 IN3
IN1 1
D1 2
S1 3
V- 4
GND 5
S4 6
D4 7
IN4 8
DG442
TOP VIEW
16 IN2
15 D2
14 S2
S1 1
13 V+
12 N.C.
V- 2
11 S3
10 D3
GND 3
9 IN3
S4 4
D1 IN1 IN2 D2
16 15 14 13
DG441
*EP
12 S2
S1 1
11 V+
V- 2
10 N.C. GND 3
9 S3
S4 4
DIP/SO
DG441
LOGIC
SWITCH
0 ON
1 OFF
SWITCHES SHOWN FOR LOGIC “0” INPUT
DIP/SO
DG442
LOGIC
SWITCH
0 OFF
1 ON
N.C. = Not Internally Connected
56 78
D4 IN4 IN3 D3
THIN QFN
*EP = EXPOSED PAD. CONNECT EXPOSED PAD TO V+.
D1 IN1 IN2 D2
16 15 14 13
12 S2
DG442
*EP
11 V+
10 N.C.
9 S3
567 8
D4 IN4 IN3 D3
THIN QFN
_______________________________________________________________________________________ 1
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.
1 page  
Improved, Quad, SPST Analog Switches
____________________________Typical Operating Characteristics (continued)
(TA = +25°C, unless otherwise noted.)
250
225
200
175
150
125
100
75
50
25
0
0
ON-RESISTANCE vs. VD AND
UNIPOLAR SUPPLY VOLTAGE
V+ = 10V
V+ = 15V
V+ = 20V
5 10 15
VD (V)
20
ON-RESISTANCE vs. VD AND
BIPOLAR SUPPLY VOLTAGE
180
150
120
90
60 ±15V
±5V
±10V
30
±20V
0
-20 -10 0 +10 +20
VD (V)
ON-RESISTANCE vs. VD AND
BIPOLAR VOLTAGE AND TEMPERATURE
V+ = 15V, V- = -15V
120
100
80
TA = +125°C
60
TA = +25°C
40
20
0
-15 -10
TA = -55°C
-5 0 5
VD (V)
10
15
ON-RESISTANCE vs. VD AND UNIPOLAR
SUPPLY VOLTAGE AND TEMPERATURE
150
TA = +125°C
125
100 TA = +25°C
75
TA = -55°C
50
25 V+ = 12V
V- = 0V
0
04
VD (V)
8
12
SWITCHING TIMES vs.
BIPOLAR SUPPLY VOLTAGE
240
200
160
120
tON
80
tOFF
40
0
±5 ±10 ±15
BIPOLAR SUPPLY VOLTAGE (V)
±20
SWITCHING TIMES vs.
UNIPOLAR SUPPLY VOLTAGE
350
300
250
200
150
tON
100
50 tOFF
0
10 15 20 25
UNIPOLAR SUPPLY VOLTAGE (V)
CHARGE INJECTION vs.
VD VOLTAGE (DUAL SUPPLY)
40
V+ = 15V
V- = -15V
CL = 1nF
20
CHARGE INJECTION vs.
VD VOLTAGE (SINGLE SUPPLY)
10
V+ = 12V
V- = 0V
CL = 1nF
0
0
-20
-15 -10 0 10
VD (V)
15
-10
0
5
VD (V)
10
15
_______________________________________________________________________________________ 5
5 Page | ||
| Páginas | Total 9 Páginas | |
| PDF Descargar | [ Datasheet DG442.PDF ] | |
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