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See Technical Specifications

DS3680DE4

Telecom IC 14-SOIC

Manufacturer: Texas Instruments, Inc
Mfr.Part #: DS3680DE4
Datasheet: DS3680DE4 Datasheet (PDF)
Package/Case: SOIC-14
Product Type: Drivers
RoHS:
Lifecycle: Active
EDA/CAD Models: Request Free CAD Models for DS3680DE4

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DS3680DE4 General Description

Telecom IC 14-SOIC

Key Features

Designed for -52-V Battery Operation
50-mA Output Current Capability
Input Compatible With TTL and CMOS
High Common-Mode Input Voltage Range
Very Low Input Current
Fail-Safe Disconnect Feature
Built-in Output Clamp Diode
Direct Replacement for National DS3680 and Fairchild uA3680

Description

The DS3680 telephone relay driver is a monolithic integrated circuit designed to interface -48-V relay systems to TTL or other systems in telephone applications. It is capable of sourcing up to 50 mA from standard -52-V battery power. To reduce the effects of noise and IR drop between logic ground and battery ground, these drivers are designed to operate with a common-mode input range of ±20 V referenced to battery ground. The common-mode input voltages for the four drivers can be different, so a wide range of input elements can be accommodated. The high-impedance inputs are compatible with positive TTL and CMOS levels or negative logic levels. A clamp network is included in the driver outputs to limit high-voltage transients generated by the relay coil during switching. The complementary inputs ensure that the driver output is off as a fail-safe condition when either output is open.

The DS3680 is characterized for operation from 0°C to 70°C.

Specifications

Category	Integrated Circuits (ICs)InterfaceTelecom	Mfr	Texas Instruments
Series	-	Package	Tube
Product Status	Discontinued at Digi-Key	Function	-
Interface	-	Number of Circuits	4
Voltage - Supply	-	Current - Supply	-
Operating Temperature	0°C ~ 70°C	Mounting Type	Surface Mount
Package / Case	14-SOIC (0.154", 3.90mm Width)	Supplier Device Package	14-SOIC
Base Product Number	DS3680