ADC0803LCN Intersil, ADC0803LCN Datasheet

ADC0803LCN

Manufacturer Part Number

ADC0803LCN

Description

A/D Converter (A-D) IC

Manufacturer

Intersil

Datasheets

1.ADC0803LCN.pdf (16 pages)

2.ADC0803LCN.pdf (17 pages)

Specifications of ADC0803LCN

No. Of Bits

8 Bit

Mounting Type

Through Hole

No. Of Channels

Interface Type

Parallel

Package / Case

20-DIP

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Price

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Current page: 1 of 16
Download datasheet (253Kb)

August 1997

CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.

Features

• 80C48 and 80C80/85 Bus Compatible - No Interfacing

• Conversion Time < 100 s

• Easy Interface to Most Microprocessors

• Will Operate in a “Stand Alone” Mode

• Differential Analog Voltage Inputs

• Works with Bandgap Voltage References

• TTL Compatible Inputs and Outputs

• On-Chip Clock Generator

• 0V to 5V Analog Voltage Input Range (Single + 5V Supply)

• No Zero-Adjust Required

Ordering Information

Pinout

CLK IN

DGND

ADC0802LCN

ADC0802LCD

ADC0802LD

ADC0803LCN

ADC0803LCD

ADC0803LCWM

ADC0803LD

ADC0804LCN

ADC0804LCD

ADC0804LCWM

AGND

PART NUMBER

REF

INTR

Logic Required

ADC0802, ADC0803, ADC0804

(+)

(-)

(PDIP, CERDIP)

TOP VIEW

ERROR

1 LSB

LSB

V+ OR V

CLK R

0 (LSB)

7 (MSB)

Reading

REF

/2 = 2.500V

/2 Adjusted for Correct Full Scale

/2 = 2.500V

EXTERNAL CONDITIONS

Typical Application Schematic

PROCESSOR

ANY

(No Adjustments)

ADC0802, ADC0803

6-5

Description

The ADC0802 family are CMOS 8-Bit, successive-approxi-

mation A/D converters which use a modiﬁed potentiometric

ladder and are designed to operate with the 8080A control

bus via three-state outputs. These converters appear to the

processor as memory locations or I/O ports, and hence no

interfacing logic is required.

The differential analog voltage input has good common-

mode-rejection and permits offsetting the analog zero-input-

voltage value. In addition, the voltage reference input can be

adjusted to allow encoding any smaller analog voltage span

to the full 8 bits of resolution.

TEMP. RANGE (

-55 to 125

-40 to 85

0 to 70

INTR

Compatible, A/D Converters

CLK IN

CLK R

DGND

AGND

REF

V+

(+)

(-)

8-Bit, Microprocessor-

20 Ld PDIP

20 Ld CERDIP

20 Ld PDIP

20 Ld CERDIP

20 Ld SOIC

20 Ld CERDIP

20 Ld PDIP

20 Ld CERDIP

20 Ld SOIC

ADC0804

10K

PACKAGE

+5V

REF

INPUTS

DIFF

150pF

File Number

8-BIT RESOLUTION

OVER ANY

DESIRED

ANALOG INPUT

VOLTAGE RANGE

E20.3

F20.3

E20.3

F20.3

M20.3

F20.3

E20.3

F20.3

M20.3

PKG. NO

3094.1

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