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Part Number: DG423
Description: Maxim's redesigned DG421/DG423/DG425 monolithic analog switches now feature guaranteed on-resistance matching (3&fra...
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DG423
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DataSheet
General Description
DG423 General Description
Maxim's redesigned DG421/DG423/DG425 monolithic analog switches now feature guaranteed on-resistance matching (3½ max) between switches and on-resistance flatness over the signal range (4½ max). These low onresistance switches (20½ typ) conduct equally well in both directions. They guarantee a low charge injection of 15pC maximum and an ESD tolerance of 2000V minimum per Method 3015.7. Off leakage current over temperature has also been reduced (less than 5nA at +85°C).
The DG421/DG423/DG425 are precision, dual CMOS switches with latchable logic inputs that simplify interfacing with microprocessors (Ps). The single-pole/singlethrow DG421 and double-pole/single-throw DG425 are normally open dual switches. The dual, singlepole/double-throw DG423 has two normally open and two normally closed switches. Fast switching times(175ns for tON and 145ns for tOFF) and low power consumption (35W max) make these parts ideal for battery-powered applications requiring P-compatible switches. Operation is from a single +10V to +30V supply, or bipolar ±4.5V to ±20V supplies. Fabricated with the same 44V silicon-gate process, these switches have rail-to-rail signal handling capabilities.
DG423 Maximum Ratings
Voltage Referenced to V-
V+ ........................................................................................... 44V
GND......................................................................................... 25V
VL ..........................................................(GND -0.3V) to (V+ +0.3V)
Digital Inputs, S, D (Note 1)...........................(V- - 2V) to (V+ + 2V)
Peak Current, S, D.................................................................30mA
Continuous Current, S or D ....................................................20mA
Peak Current, S or D(pulsed at 1ms, 10% duty cycle max) ...100mA
Continuous Power Dissipation (TA = +70°C)
16-Pin Plastic DIP (derate 10.53mW/°C above +70°C).... .842mW
16-Pin Narrow SO (derate 8.70mW/°C above +70°C) .......696mW
20-Pin PLCC (derate 10.00mW/°C above +70°C............... 800mW
16-Pin CERDIP (derate 10.00mW/°C above +70°C) ....... . .800mW
Operating Temperature Ranges
DG42_C_ . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . 0°C to +70°C
DG42_D_ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -40°C to +85°C
DG42_A_ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -55°C to +125°C
Storage Temperature Ranges
DG42_C_/DG42_D_ . . . . . . . . . . . . . . . . . . . . . . .. -65°C to +125°C
DG42_A_ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . -65°C to +150°C
Lead Temperature (soldering, 10sec). . . . . . . . . . . . . . . . . .+300°C
Note 1: Signals on S, D, or IN exceeding V+ or V- are clamped by internal diodes. Limit forward current to maximum current ratings.
DG423 Features
Plug-In Upgrades for Industry-Standard DG421/DG423/DG425
Improved r(DS)ON Match Between Channels (3½ max)
Guaranteed rFLAT(ON) Over Signal Range (4½ max)
Improved Charge Injection (15pC max)
Improved Off Leakage Current Over Temperature (<5nA at +85°C)
Withstands Electrostatic Discharge (2000V min) per Method 3015.7
Low rDS(ON) (35½ max)
Single-Supply Operation +10V to +30V Bipolar-Supply Operation ±4.5V to ±20V
Low Power Consumption (35W max)
Rail-to-Rail Signal Handling Capability
TTL/CMOS-Logic Compatible
Improved r(DS)ON Match Between Channels (3½ max)
Guaranteed rFLAT(ON) Over Signal Range (4½ max)
Improved Charge Injection (15pC max)
Improved Off Leakage Current Over Temperature (<5nA at +85°C)
Withstands Electrostatic Discharge (2000V min) per Method 3015.7
Low rDS(ON) (35½ max)
Single-Supply Operation +10V to +30V Bipolar-Supply Operation ±4.5V to ±20V
Low Power Consumption (35W max)
Rail-to-Rail Signal Handling Capability
TTL/CMOS-Logic Compatible
DG423 Typical Application
Sample-and-Hold Circuits Modems
Fax Machines Test Equipment
Battery-Operated Systems PBX, PABX
Guidance and Control Systems Military Radios
Audio Signal Routing Communication Systems
Fax Machines Test Equipment
Battery-Operated Systems PBX, PABX
Guidance and Control Systems Military Radios
Audio Signal Routing Communication Systems
DG423 Connection Diagram
DG423
PDF/DataSheet Download
- Datasheet: DG423
- File Size: 135454 KB
- Manufacturer: MAXIM [Maxim Integrated Products]
- Click here to Download
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