AD790AQ Analog Devices Inc, AD790AQ Datasheet

Comparator Single R-R O/P ±16.5V/7V 8-Pin CDIP

AD790AQ

Manufacturer Part Number

AD790AQ

Description

Comparator Single R-R O/P ±16.5V/7V 8-Pin CDIP

Manufacturer

Analog Devices Inc

Type

General Purposer

Datasheets

1.AD790JNZ.pdf (12 pages)

2.AD790JRZ.pdf (5 pages)

Specifications of AD790AQ

Package

8CDIP

Rail To Rail

Rail to Rail Output

Number Of Channels Per Chip

Minimum Single Supply Voltage

4.5 V

Power Supply Type

Single|Dual

Rohs Status

RoHS non-compliant

Design Resources

Automated Calibration Technique That Reduces AD5360 Offset Voltage to Less Than 1 mV (CN0123)

Number Of Elements

Output Type

CMOS, TTL

Voltage - Supply

4.5 V ~ 33 V, ±4.5 V ~ 16.5 V

Mounting Type

Through Hole

Package / Case

8-CDIP (0.300", 7.62mm)

Amplifier Type

Comparator

Comparator Type

Fast Precision Voltage

Current, Input Bias

2.7 μA

Current, Input Offset

0.04 μA

Current, Offset, Input

0.04 uA (Typ.)

Current, Supply

10 mA

Impedance, Thermal

110 °C/W

Package Type

CDIP-8

Power Dissipation

60 mW

Propagation Delay

45 ns

Temperature, Operating, Range

-40 to +85 °C

Voltage, Differential Input

±16.5 V

Voltage, Input

0 to +13 V

Voltage, Input Offset

0.45 mV

Voltage, Offset, Input

0.2 mV (Typ.)

Voltage, Supply

5 V

No. Of Comparators

Response Time

45ns

Ic Output Type

CMOS, TTL

Supply Current

6.5mA

Supply Voltage Range

4V To 7V, 4.5V To 7V, 4.5V To 33V

Rohs Compliant

Lead Free Status / RoHS Status

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Company

Part Number

Manufacturer

Quantity

Price

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Part Number:

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Manufacturer:

Quantity:

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Company:

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Part Number:

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Manufacturer:

Quantity:

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Part Number:

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REV. D

Information furnished by Analog Devices is believed to be accurate and

reliable. However, no responsibility is assumed by Analog Devices for its

use, nor for any infringements of patents or other rights of third parties that

may result from its use. No license is granted by implication or otherwise

under any patent or patent rights of Analog Devices.

PRODUCT DESCRIPTION

The AD790 is a fast (45 ns), precise voltage comparator, with a

number of features that make it exceptionally versatile and easy

to use. The AD790 may operate from either a single 5 V supply

or a dual ± 15 V supply. In the single-supply mode, the AD790’s

inputs may be referred to ground, a feature not found in other

comparators. In the dual-supply mode it has the unique ability

of handling a maximum differential voltage of 15 V across its in-

put terminals, easing their interfacing to large amplitude and

dynamic signals.

This device is fabricated using Analog Devices’ Complementary

Bipolar (CB) process—which gives the AD790’s combination

of fast response time and outstanding input voltage resolution

(1 mV max). To preserve its speed and accuracy, the AD790

incorporates a “low glitch” output stage that does not exhibit

the large current spikes normally found in TTL or CMOS output

stages. Its controlled switching reduces power supply disturbances

that can feed back to the input and cause undesired oscillations.

The AD790 also has a latching function which makes it suitable

for applications requiring synchronous operation.

The AD790 is available in five performance grades. The

AD790J and the AD790K are rated over the commercial tem-

perature range of 0°C to 70°C. The AD790A and AD790B are

rated over the industrial temperature range of –40°C to +85°C.

The AD790S is rated over the military temperature range of

–55°C to +125°C.

FEATURES

45 ns max Propagation Delay

Single 5 V or Dual

CMOS or TTL Compatible Output

250 V max Input Offset Voltage

500 V max Input Hysteresis Voltage

15 V max Differential Input Voltage

Onboard Latch

60 mW Power Dissipation

Available in 8-Pin Plastic and Hermetic Cerdip

Available in Tape and Reel in Accordance with

APPLICATIONS

Zero-Crossing Detectors

Overvoltage Detectors

Pulse-Width Modulators

Precision Rectifiers

Discrete A/D Converters

Delta-Sigma Modulator A/Ds

Packages

EIA-481A Standard

15 V Supply Operation

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.

Tel: 781/329-4700

Fax: 781/326-8703

PRODUCT HIGHLIGHTS

1. The AD790’s combination of speed, precision, versatility

2. Built-in hysteresis and a low-glitch output stage minimize the

3. The hysteresis combined with a wide input voltage range

4. A wide variety of supply voltages is acceptable for operation

5. The AD790’s power dissipation is the lowest of any compara-

6. The AD790’s output swing is symmetric between V

and low cost makes it suitable as a general purpose compara-

tor in analog signal processing and data acquisition systems.

chance of unwanted oscillations, making the AD790 easier to

use than standard open-loop comparators.

enables the AD790 to respond to both slow, low level (e.g.,

10 mV) signals and fast, large amplitude (e.g., 10 V) signals.

of the AD790, ranging from single 5 V to dual +5 V/–12 V,

± 5 V, or +5 V/± 15 V supplies.

tor in its speed range.

and ground, thus providing a predictable output under a

wide range of input and output conditions.

OUTPUT

LOGIC

–V

+IN

–IN

+IN

CONNECTION DIAGRAMS

8-Pin Plastic Mini-DIP (N)

and Cerdip (Q) Packages

8-Pin SOIC (R) Package

–

AD790

Fast, Precision

AD790

–

Comparator

OUTPUT

GROUND

LATCH

LOGIC

AD790

GROUND

LATCH

–IN

–V

www.analog.com

LOGIC

Related parts for AD790AQ

AD790AQ Summary of contents

Page 1

FEATURES 45 ns max Propagation Delay Single Dual 15 V Supply Operation CMOS or TTL Compatible Output 250 V max Input Offset Voltage 500 V max Input Hysteresis Voltage 15 V max Differential Input Voltage Onboard ...

Page 2

AD790–SPECIFICATIONS DUAL SUPPLY (Operation @ 25 C and +V Parameter Conditions RESPONSE CHARACTERISTIC 100 mV Step Propagation Delay Overdrive PD T MIN OUTPUT CHARACTERISTICS Output HIGH Voltage, V 1.6 mA Source OH 6.4 mA Source T MIN ...

Page 3

SINGLE SUPPLY (Operation @ 25 C and +V Parameter Conditions RESPONSE CHARACTERISTIC 100 mV Step Propagation Delay Overdrive PD T MIN OUTPUT CHARACTERISTICS Output HIGH Voltage, V 1.6 mA Source OH 6.4 mA Source T MIN Output ...

Page 4

... Figure 3. Response Time Test Circuit (N, Q Package Pinout) Model AD790JN AD790JR AD790JR-REEL AD790JR-REEL7 0°C to 70°C AD790KN AD790AQ AD790BQ AD790SQ * Not for new designs; obsolete April 2002. For military processed devices, please refer to the standard Mi- crocircuit Drawing (SMD) available at = 90°C/watt; ceramic Q-8 JA www ...

Page 5

TPC 1. Propagation Delay vs. Overdrive TPC 4. Propagation Delay vs. Source Resistance 5.0 4.9 4.8 TEMP = +25°C 4.7 4.6 4.5 4.4 4.3 4 – mA SOURCE TPC 7. Output High Voltage ...

Page 6

AD790 CIRCUIT DESCRIPTION The AD790 possesses the overall characteristics of a standard monolithic comparator: differential inputs, high gain and a logic output. However, its function is implemented with an architec- ture which offers several advantages over previous comparator designs. Specifically, ...

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AD790AQ Analog Devices Inc, AD790AQ Datasheet

AD790AQ

Specifications of AD790AQ

Available stocks

Related parts for AD790AQ

AD790AQ Summary of contents

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