TC850CPL datasheet(1/26 Pages) MICROCHIP

Part #	TC850CPL

Description	15-Bit, Fast Integrating CMOS A/D Converter

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Manufacturer	MICROCHIP [Microchip Technology]

Direct Link	http://www.microchip.com

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DS21479C-page 1

TC850

Features:

• 15-bit Resolution Plus Sign Bit

• Up to 40 Conversions per Second

• Integrating ADC Technique:

- Monotonic

- High Noise Immunity

- Auto-Zeroed Amplifiers Eliminate Offset

Trimming

• Wide Dynamic Range: 96 dB

• Low Input Bias Current: 30 pA

• Low Input Noise: 30

μVP-P

• Sensitivity: 100

μV

• Flexible Operational Control

• Continuous or On Demand Conversions

• Data Valid Output

• Bus Compatible, 3-State Data Outputs:

-8-Bit Data Bus

-Simple

μP Interface

- Two Chip Enables

- Read ADC Result Like Memory

• ± 5V Power Supply Operation: 20 m

Ω

• 40-Pin Dual-in-Line or 44-Pin PLCC Packages

Applications:

• Precision Analog Signal Processor

• Precision Sensor Interface

• High Accuracy DC Measurements

Device Selection Table

Package Types

Part Number

Package

Temperature

Range

TC850CPL

40-Pin PDIP

0

°C to +70°C

TC850IJL

40-Pin CERDIP

-25

°C to +85°C

TC850CLW

44-Pin PLCC

0

°C to +70°C

TC850ILW

44-Pin PLCC

-25

°C to +85°C

TC850CPL

TC850IJL

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

40

39

38

37

36

35

34

33

32

31

30

29

28

27

26

25

24

23

22

21

ANALOG

COMMON

CBUFB

BUFFER

INTIN

INTOUT

COMP

40-Pin PDIP/CERDIP

DGND

CINTA

CBUFA

CINTB

IN-

IN+

REF-

TEST

OSC2

OSC1

BUSY

DB0

DB1

DB2

DB3

DB4

DB5

DB6

DB7

CS

CE

WR

RD

CONT/DEMAND

OVR/POL

L/H

VSS

VDD

REF1+

REF2+

CREF1+

CREF2+

CREF1-

CREF2-

NC = No Internal Connection

44-Pin PLCC

33

34

35

36

37

38

39

13

10

9

8

7

18 19 20 21

23 24

6

543

1

44

2

22

43 42 41 40

25 26 27 28

32

14

31

15

30

16

29

17

11

12

TC850CLW

TC850ILW

NC

DB0

DB1

DB2

DB3

DB4

NC

DB5

DB6

DB7

IN-

IN+

REF2+

CREF2+

CREF2-

ANALOG

COMMON

CBUFB

CINTA

CBUFA

CINTB

OVR/POL

L/H

15-Bit, Fast Integrating CMOS A/D Converter

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