National DS36C278 Switching Characteristics, Device Characteristics, Gnd, Driver Characteristics

Page 3

Electrical Characteristics (Continued)

Over Supply Voltage and Operating Temperature ranges, unless otherwise specified (Notes 2 and 3)

Symbol

Parameter

Conditions

Reference

Min

Typ

Max

Units

 

 

 

 

 

 

 

 

 

 

IIN

Line Input Current

Other Input e 0V,

 

DS36C278

VIN e a12V

0

0.19

0.25

mA

 

(Note 7)

DE e VIL, RE* e VIL,

 

 

VIN e b7V

0

b0.1

b0.2

mA

 

 

VCC e 4.75 to 5.25

 

 

 

 

 

DS36C278T

VIN e a12V

0

0.19

0.5

mA

 

 

or 0V

 

 

 

 

 

 

 

 

 

 

VIN e b7V

0

b0.1

b0.4

mA

IING

Line Input Current Glitch

Other Input e 0V,

 

DS36C278

VIN e a12V

0

0.19

0.25

mA

 

(Note 7)

DE e VIL, RE* e VIL,

 

 

VIN e b7V

0

b0.1

b0.2

mA

 

 

VCC e a3.0V or 0V,

 

 

 

 

 

DS36C278T

VIN e a12V

0

0.19

0.5

mA

 

 

TA e 25§C

 

 

 

 

VIN e b7V

0

b0.1

b0.4

mA

 

 

 

 

 

IB

Input Balance Test

RS e 500X

 

(422) (Note 9)

 

 

g400

mV

VOH

High Level Output Voltage

IOH e b4 mA, VID e a0.2V

RO

3.5

4.6

 

V

VOL

Low Level Output Voltage

IOL e a4 mA, VID e b0.2V

Figure 11

 

0.3

0.5

V

 

 

IOSR

Short Circuit Current

VO e GND

 

RO

7

35

85

mA

IOZR

TRI-STATE Leakage Current

VO e 0.4V to 2.4V

 

 

 

g1

mA

 

 

 

 

DEVICE CHARACTERISTICS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VIH

High Level Input Voltage

 

 

 

 

2.0

 

VCC

V

VIL

Low Level Input Voltage

 

 

 

DE,

GND

 

0.8

V

IIH

High Level Input Current

VIH e VCC

 

RE*,

 

 

2

mA

IIL

Low Level Input Current

VCC e 5V

 

 

DI

 

 

b2

mA

 

VIL e 0V

 

 

 

 

 

VCC e a3.0V

 

 

 

 

b2

mA

 

 

 

 

 

 

 

ICC

Power Supply Current

Driver and Receiver ON

 

 

 

200

500

mA

ICCR

(No Load)

Driver OFF, Receiver ON

 

 

200

500

mA

 

VCC

 

ICCD

 

Driver ON, Receiver OFF

 

200

500

mA

 

 

 

ICCZ

 

Driver and Receiver OFF

 

 

200

500

mA

Switching Characteristics

Over Supply Voltage and Operating Temperature ranges, unless otherwise specified (Notes 3 and 8)

Symbol

Parameter

Conditions

Reference

Min

Typ

Max

Units

 

 

 

 

 

 

 

 

DRIVER CHARACTERISTICS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

tPHLD

Differential Propagation

RL e 54X, CL e 100 pF

 

10

39

80

ns

 

Delay High to Low

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

tPLHD

Differential Propagation

 

 

10

40

80

ns

 

Delay Low to High

 

 

 

 

 

 

 

 

 

 

 

 

Figures 5, 6

 

 

 

 

tSKD

Differential Skew

 

0

1

10

ns

 

 

 

ltPHLD b tPLHDl

 

 

 

 

 

 

 

 

 

tr

Rise Time

 

 

3

25

50

ns

tf

Fall Time

 

 

3

25

50

ns

tPHZ

Disable Time High to Z

CL e 15 pF

Figures 7, 8

80

200

ns

tPLZ

Disable Time Low to Z

RE * e L

Figures 9, 10

80

200

ns

tPZH

Enable Time Z to High

CL e 100 pF

Figures 7, 8

50

200

ns

tPZL

Enable Time Z to Low

RE * e L

Figures 9, 10

65

200

ns

3

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Image 3
Contents Driver Section DO/RI DO*/RI Receiver Section RI-RI FeaturesConnection and Logic Diagram Truth Table General DescriptionAbsolute Maximum Ratings Note Electrical CharacteristicsDifferential Driver Characteristics Receiver CharacteristicsGND Switching CharacteristicsDevice Characteristics Driver CharacteristicsFigures 12 Parameter Measurement InformationTRI-STATE Waveforms tPZH, tPHZ Receiver Differential Propagation Delay Waveforms Unit Load Typical Application InformationPage Physical Dimensions inches millimeters Life Support Policy DS36C278 Low Power Multipoint EIA-RS-485 Transceiver

DS36C278 specifications

The National DS36C278 is a versatile and highly regarded dual/quad operational amplifier that has garnered attention for its impressive performance in various applications. As a member of the DS series, the DS36C278 integrates multiple features and technologies designed to meet the demands of both consumer and industrial electronics.

One of the main features of the DS36C278 is its high-speed operation. It boasts a wide bandwidth and fast slew rates, which make it suitable for applications requiring rapid signal processing. The amplifier typically operates with a bandwidth of up to 16 MHz, allowing it to handle high-frequency signals with ease. Its slew rate can reach up to 9 V/µs, ensuring quick transitions and faithful signal reproduction, ideal for video and audio applications.

The DS36C278 is designed for versatility, allowing it to function as either a dual or quad amplifier. This flexibility enables designers to streamline layouts and reduce component counts in their circuit designs, ultimately saving space on printed circuit boards. The dual and quad configuration is particularly beneficial in modular systems where multiple signal paths are required.

Another defining characteristic of the DS36C278 is its low noise operation. With a low input-referred noise density, this amplifier excels in applications where signal integrity is paramount. The design effectively minimizes distortion and interference, making it suitable for precision instrumentation and sensitive audio applications.

The device operates on a wide supply voltage range, typically from ±4.5 to ±15 volts, making it compatible with different power supply standards. This flexibility enhances its applicability in various contexts, from handheld devices to stationary equipment.

Furthermore, the DS36C278 is characterized by its thermal stability. The amplifier features a construction that reduces susceptibility to temperature fluctuations, allowing consistent performance across varying environmental conditions. This characteristic is crucial for industrial applications where temperature controls may be less stringent.

In summary, the National DS36C278 is a high-performance operational amplifier featuring dual/quad capabilities, high speed, low noise operation, and robust thermal stability. Its wide supply voltage range adds to its adaptability, making it a valuable component in numerous electronic designs, from consumer electronics to industrial applications. With its blend of features and technologies, the DS36C278 continues to be a preferred choice for engineers and designers seeking reliable amplification solutions.