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TC7106A

Description
1-CH DUAL-SLOPE ADC, PDIP40
Categorysemiconductor    logic   
File Size190KB,19 Pages
ManufacturerTelCom Semiconductor, Inc. (Microchip Technology)
Websitehttp://www.telcom-semi.com/
Download Datasheet Parametric Compare View All

TC7106A Overview

1-CH DUAL-SLOPE ADC, PDIP40

TC7106A Parametric

Parameter NameAttribute value
Maximum linear error0.0500 %
Number of functions1
Number of terminals40
Minimum operating temperature0.0 Cel
Maximum operating temperature70 Cel
Processing package descriptionREVERSE, PLASTIC, DIP-40
each_compliYes
EU RoHS regulationsYes
China RoHS regulationsYes
stateActive
Type of converterADC, DUAL-SLOPE
Analog input voltage minimum3.5 V
Analog input voltage maximum value5.5 V
jesd_30_codeR-PDIP-T40
jesd_609_codee3
moisture_sensitivity_levelNOT SPECIFIED
egative_supply_voltage_nom-4.5 V
Number of analog channels1
Output bit encodingBINARY
Output formatPARALLEL
Packaging MaterialsPLASTIC/EPOXY
ckage_codeDIP
ckage_equivalence_codeDIP40,.6
packaging shapeRECTANGULAR
Package SizeIN-LINE
eak_reflow_temperature__cel_NOT SPECIFIED
wer_supplies__v_9
qualification_statusCOMMERCIAL
seated_height_max5.08 mm
sub_categoryAnalog to Digital Converters
Rated supply voltage4.5 V
surface mountNO
CraftsmanshipCMOS
Temperature levelCOMMERCIAL
terminal coatingMATTE TIN
Terminal formTHROUGH-HOLE
Terminal spacing2.54 mm
Terminal locationDUAL
ime_peak_reflow_temperature_max__s_NOT SPECIFIED
length51.97 mm
width15.24 mm
TC7106
TC7106A
TC7107
TC7107A
3-1/2 DIGIT A/D CONVERTERS
FEATURES
s
Internal Reference with Low Temperature Drift
TC7106/7 ....................................... 80ppm/
°
C Typical
TC7106A/7A .................................. 20ppm/
°
C Typical
s
Drives LCD (TC7106) or LED (TC7107) Display
Directly
s
Guaranteed Zero Reading With Zero Input
s
Low Noise for Stable Display
s
Auto-Zero Cycle Eliminates Need for Zero
Adjustment
s
True Polarity Indication for Precision Null
Applications
s
Convenient 9 V Battery Operation (TC7106A)
s
High Impedance CMOS Differential Inputs .... 10
12
s
Differential Reference Inputs Simplify Ratiometric
Measurements
s
Low Power Operation ..................................... 10mW
1
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
12
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.
2
3
4
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):
5
0.1µF
34
33
C–
LCD DISPLAY (TC7106/A) OR
COMMON ANODE LED
DISPLAY (TC7107/A)
2–19
22–25
POL
BP
V+
SEGMENT
DRIVE
20
21
1
24kΩ
28 V
BUFF
47kΩ
0.47µF
29
C
AZ
V
INT
39
MINUS SIGN
BACKPLANE
DRIVE
Package
Code
Package
CKW
CLW
CPL
IPL
IJL
44-Pin PQFP
44-Pin PLCC
40-Pin PDIP
40-Pin PDIP
40-Pin CerDIP
Pin Layout
Formed Leads
Normal
Normal
Normal
Temperature
Range
0°C to +70°C
0°C to +70°C
0°C to +70°C
– 25°C to +85°C
– 25°C to +85°C
1MΩ
+
ANALOG
INPUT
0.01µF
31
+
C
REF
+
V
IN
REF
30
32
V
IN
ANALOG
COMMON
6
TC7106/A
TC7107/A
+
V
REF
1kΩ
9V
36
V+
REF
AVAILABLE PACKAGES
0.22µF
35 100mV
V–
REF
26
27
V
OSC
2
OSC
3
OSC
1
38 C
OSC
40
R
OSC
100pF
100kΩ
TO ANALOG
COMMON (PIN 32)
3 CONVERSIONS/SEC
200mV FULL SCALE
7
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
8
3-183
TELCOM SEMICONDUCTOR, INC.

TC7106A Related Products

TC7106A TC7107A TC7107 TC7106
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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Index Files: 1264  1455  1924  2842  1927  26  30  39  58  43 
Datasheet   0 1 2 3 4 5 6 7 8 9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
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