TC7106 datasheet, PDF - EEWORLD Datasheet

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TC7106: Description1-CH DUAL-SLOPE ADC, PDIP40; Categorysemiconductor logic; File Size190KB，19 Pages; ManufacturerTelCom Semiconductor, Inc. (Microchip Technology); Websitehttp://www.telcom-semi.com/

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TC7106 Overview

1-CH DUAL-SLOPE ADC, PDIP40

TC7106 Parametric

Parameter Name	Attribute value
Maximum linear error	0.0500 %
Number of functions	1
Number of terminals	40
Minimum operating temperature	0.0 Cel
Maximum operating temperature	70 Cel
Processing package description	REVERSE, PLASTIC, DIP-40
each_compli	Yes
EU RoHS regulations	Yes
China RoHS regulations	Yes
state	Active
Type of converter	ADC, DUAL-SLOPE
Analog input voltage minimum	3.5 V
Analog input voltage maximum value	5.5 V
jesd_30_code	R-PDIP-T40
jesd_609_code	e3
moisture_sensitivity_level	NOT SPECIFIED
egative_supply_voltage_nom	-4.5 V
Number of analog channels	1
Output bit encoding	BINARY
Output format	PARALLEL
Packaging Materials	PLASTIC/EPOXY
ckage_code	DIP
ckage_equivalence_code	DIP40,.6
packaging shape	RECTANGULAR
Package Size	IN-LINE
eak_reflow_temperature__cel_	NOT SPECIFIED
wer_supplies__v_	9
qualification_status	COMMERCIAL
seated_height_max	5.08 mm
sub_category	Analog to Digital Converters
Rated supply voltage	4.5 V
surface mount	NO
Craftsmanship	CMOS
Temperature level	COMMERCIAL
terminal coating	MATTE TIN
Terminal form	THROUGH-HOLE
Terminal spacing	2.54 mm
Terminal location	DUAL
ime_peak_reflow_temperature_max__s_	NOT SPECIFIED
length	51.97 mm
width	15.24 mm

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TC7106

TC7106A

TC7107

TC7107A

3-1/2 DIGIT A/D CONVERTERS

FEATURES

Internal Reference with Low Temperature Drift

TC7106/7 ....................................... 80ppm/

C Typical

TC7106A/7A .................................. 20ppm/

C Typical

Drives LCD (TC7106) or LED (TC7107) Display

Directly

Guaranteed Zero Reading With Zero Input

Low Noise for Stable Display

Auto-Zero Cycle Eliminates Need for Zero

Adjustment

True Polarity Indication for Precision Null

Applications

Convenient 9 V Battery Operation (TC7106A)

High Impedance CMOS Differential Inputs .... 10

Ω

Differential Reference Inputs Simplify Ratiometric

Measurements

Low Power Operation ..................................... 10mW

GENERAL DESCRIPTION

The TC7106A and TC7107A 3-1/2 digit direct-display

drive analog-to-digital converters allow existing 7106/7107

based systems to be upgraded. Each device has a preci-

sion reference with a 20ppm/°C max temperature coeffi-

cient. This represents a 4 to 7 times improvement over

similar 3-1/2 digit converters. Existing 7106 and 7107 based

systems may be upgraded without changing external pas-

sive component values. The TC7107A drives common

anode light emitting diode (LED) displays directly with 8mA

per segment. A low-cost, high-resolution indicating meter

requires only a display, four resistors, and four capacitors.

The TC7106A low power drain and 9V battery operation

make it suitable for portable applications.

The TC7106A/TC7107A reduces linearity error to less

than 1 count. Rollover error – the difference in readings for

equal magnitude but opposite polarity input signals – is

below

±1

count. High impedance differential inputs offer

1pA leakage current and a 10

Ω

input impedance. The

differential reference input allows ratiometric measurements

for ohms or bridge transducer measurements. The

15µV

P–P

noise performance guarantees a “rock solid” read-

ing. The auto-zero cycle guarantees a zero display read-

ing with a zero-volts input.

ORDERING INFORMATION

PART CODE

TC710X X X XXX

6 = LCD

7 = LED

}

A or blank*

R (reversed pins) or blank (CPL pkg only)

* "A" parts have an improved reference TC

Package Code

(see below):

0.1µF

C–

LCD DISPLAY (TC7106/A) OR

COMMON ANODE LED

DISPLAY (TC7107/A)

2–19

22–25

POL

V+

SEGMENT

DRIVE

24kΩ

28 V

BUFF

47kΩ

0.47µF

INT

MINUS SIGN

BACKPLANE

DRIVE

Package

Code

Package

CKW

CLW

CPL

IPL

IJL

44-Pin PQFP

44-Pin PLCC

40-Pin PDIP

40-Pin CerDIP

Pin Layout

Formed Leads

—

Normal

Temperature

Range

0°C to +70°C

– 25°C to +85°C

1MΩ

ANALOG

INPUT

–

0.01µF

REF

–

ANALOG

COMMON

TC7106/A

TC7107/A

REF

1kΩ

V+

REF

AVAILABLE PACKAGES

0.22µF

35 100mV

V–

REF

–

OSC

38 C

OSC

100pF

100kΩ

TO ANALOG

COMMON (PIN 32)

3 CONVERSIONS/SEC

200mV FULL SCALE

40-Pin Plastic DIP

40-Pin CERDIP

Figure 1. TC7106/A/7/A Typical Operating Circuit

44-Pin Plastic Quad Flat

Package Formed Leads

44-Pin Plastic Chip

Carrier PLCC

TC7106/6A/7/7A-7

11/4/96

3-183

TELCOM SEMICONDUCTOR, INC.

TC7106 Related Products

	TC7106	TC7107A	TC7107	TC7106A
Description	1-CH DUAL-SLOPE ADC, PDIP40	1-CH DUAL-SLOPE ADC, PDIP40	1-CH DUAL-SLOPE ADC, PDIP40	1-CH DUAL-SLOPE ADC, PDIP40
Maximum linear error	0.0500 %	0.0500 %	0.0500 %	0.0500 %
Number of functions	1	1	1	1
Number of terminals	40	40	40	40
Minimum operating temperature	0.0 Cel	0.0 Cel	0.0 Cel	0.0 Cel
Maximum operating temperature	70 Cel	70 Cel	70 Cel	70 Cel
Processing package description	REVERSE, PLASTIC, DIP-40	REVERSE, PLASTIC, DIP-40	REVERSE, PLASTIC, DIP-40	REVERSE, PLASTIC, DIP-40
each_compli	Yes	Yes	Yes	Yes
EU RoHS regulations	Yes	Yes	Yes	Yes
China RoHS regulations	Yes	Yes	Yes	Yes
state	Active	Active	Active	Active
Type of converter	ADC, DUAL-SLOPE	ADC, DUAL-SLOPE	ADC, DUAL-SLOPE	ADC, DUAL-SLOPE
Analog input voltage minimum	3.5 V	3.5 V	3.5 V	3.5 V
Analog input voltage maximum value	5.5 V	5.5 V	5.5 V	5.5 V
jesd_30_code	R-PDIP-T40	R-PDIP-T40	R-PDIP-T40	R-PDIP-T40
jesd_609_code	e3	e3	e3	e3
moisture_sensitivity_level	NOT SPECIFIED	NOT SPECIFIED	NOT SPECIFIED	NOT SPECIFIED
egative_supply_voltage_nom	-4.5 V	-4.5 V	-4.5 V	-4.5 V
Number of analog channels	1	1	1	1
Output bit encoding	BINARY	BINARY	BINARY	BINARY
Output format	PARALLEL	PARALLEL	PARALLEL	PARALLEL
Packaging Materials	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY
ckage_code	DIP	DIP	DIP	DIP
ckage_equivalence_code	DIP40,.6	DIP40,.6	DIP40,.6	DIP40,.6
packaging shape	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR
Package Size	IN-LINE	IN-LINE	IN-LINE	IN-LINE
eak_reflow_temperature__cel_	NOT SPECIFIED	NOT SPECIFIED	NOT SPECIFIED	NOT SPECIFIED
wer_supplies__v_	9	9	9	9
qualification_status	COMMERCIAL	COMMERCIAL	COMMERCIAL	COMMERCIAL
seated_height_max	5.08 mm	5.08 mm	5.08 mm	5.08 mm
sub_category	Analog to Digital Converters	Analog to Digital Converters	Analog to Digital Converters	Analog to Digital Converters
Rated supply voltage	4.5 V	4.5 V	4.5 V	4.5 V
surface mount	NO	NO	NO	NO
Craftsmanship	CMOS	CMOS	CMOS	CMOS
Temperature level	COMMERCIAL	COMMERCIAL	COMMERCIAL	COMMERCIAL
terminal coating	MATTE TIN	MATTE TIN	MATTE TIN	MATTE TIN
Terminal form	THROUGH-HOLE	THROUGH-HOLE	THROUGH-HOLE	THROUGH-HOLE
Terminal spacing	2.54 mm	2.54 mm	2.54 mm	2.54 mm
Terminal location	DUAL	DUAL	DUAL	DUAL
ime_peak_reflow_temperature_max__s_	NOT SPECIFIED	NOT SPECIFIED	NOT SPECIFIED	NOT SPECIFIED
length	51.97 mm	51.97 mm	51.97 mm	51.97 mm
width	15.24 mm	15.24 mm	15.24 mm	15.24 mm

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