TC7116ACKW datasheet, PDF - EEWORLD Datasheet

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TC7116ACKW: Description3-1/2 digit analog-TO-digitAL converters with hold; CategoryAnalog mixed-signal IC converter; File Size318KB，24 Pages; ManufacturerTelCom Semiconductor, Inc. (Microchip Technology); Websitehttp://www.telcom-semi.com/

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TC7116ACKW Overview

3-1/2 digit analog-TO-digitAL converters with hold

TC7116ACKW Parametric

Parameter Name	Attribute value
Is it Rohs certified?	incompatible
Maker	TelCom Semiconductor, Inc. (Microchip Technology)
package instruction	QFP, QFP44,.5SQ,32
Reach Compliance Code	unknown
Maximum analog input voltage	2 V
Minimum analog input voltage	0.2 V
Converter type	ADC, DUAL-SLOPE
JESD-30 code	S-PQFP-G44
JESD-609 code	e0
Maximum linear error (EL)	0.0122%
Number of analog input channels	1
Number of digits	13
Number of functions	1
Number of terminals	44
Maximum operating temperature	70 °C
Minimum operating temperature
Output bit code	BINARY
Package body material	PLASTIC/EPOXY
encapsulated code	QFP
Encapsulate equivalent code	QFP44,.5SQ,32
Package shape	SQUARE
Package form	FLATPACK
power supply	9 V
Certification status	Not Qualified
Maximum slew rate	1.8 mA
Nominal supply voltage	9 V
surface mount	YES
technology	CMOS
Temperature level	COMMERCIAL
Terminal surface	Tin/Lead (Sn/Pb)
Terminal form	GULL WING
Terminal pitch	0.8 mm
Terminal location	QUAD

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TC7116/A/TC7117/A

3-1/2 Digit Analog-to-Digital Converters with Hold

Features:

• Low Temperature Drift Internal Reference:

- TC7116/TC7117 80 ppm/°C, Typ.

- TC7116A/TC7117A 20 ppm/°C, Typ.

• Display Hold Function

• Directly Drives LCD or LED Display

• Zero Reading with Zero Input

• Low Noise for Stable Display:

- 2V or 200mV Full Scale Range (FSR)

• Auto-Zero Cycle Eliminates Need for Zero

• Adjustment Potentiometer

• True Polarity Indication for Precision Null

Applications

• Convenient 9V Battery Operation:

(TC7116/TC7116A)

• High-Impedance CMOS Differential Inputs: 10

• Low-Power Operation: 10mW

General Description:

The TC7116A/TC7117A are 3-1/2 digit CMOS Analog-

to-Digital Converters (ADCs) containing all the active

components necessary to construct a 0.05% resolution

measurement system. Seven-segment decoders,

polarity and digit drivers, voltage reference, and clock

circuit are integrated on-chip. The TC7116A drives

Liquid Crystal Displays (LCDs) and includes a back-

plane driver. The TC7117A drives common anode Light

Emitting Diode (LED) displays directly with an 8mA

drive current per segment.

These devices incorporate a display hold (HLDR)

function. The displayed reading remains indefinitely, as

long as HLDR is held high. Conversions continue, but

output data display latches are not updated. The refer-

ence low input (V

REF

-) is not available, as it is with the

TC7106/7107. V

REF

- is tied internally to analog

common in the TC7116A/7117A devices.

The TC7116A/7117A 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

input imped-

ance. The 15μV

P-P

noise performance enables a “rock

solid” reading. The auto-zero cycle ensures a zero

display reading with a 0V input.

The TC7116A and TC7117A feature a precision, low

drift internal reference, and are functionally identical to

the TC7116/TC7117. A low drift external reference is

not normally required with the TC7116A/TC7117A.

Applications:

• Thermometry

• Bridge Readouts: Strain Gauges, Load Cells,

Null Detectors

• Digital Meters: Voltage/Current/Ohms/Power, pH

• Digital Scales, Process Monitors

• Portable Instrumentation

Device Selection Table

Package Code

CPL

IJL

CKW

CLW

Package

40-Pin PDIP

40-Pin CERDIP

44-Pin PQFP

44-Pin PLCC

Temperature Range

0°C to +70°C

-25°C to +85°C

0°C to +70°C

2006 Microchip Technology Inc.

DS21457C-page 1

TC7116ACKW Related Products

	TC7116ACKW	TC7116CPL	TC7117IJL	TC7117AIJL	TC7117	TC7116A	TC7116	TC7117ACPL	TC7116ACLW
Description	3-1/2 digit analog-TO-digitAL converters with hold	3-1/2 digit analog-TO-digitAL converters with hold	3-1/2 digit analog-TO-digitAL converters with hold	3-1/2 digit analog-TO-digitAL converters with hold	3-1/2 digit analog-TO-digitAL converters with hold	3-1/2 digit analog-TO-digitAL converters with hold	3-1/2 digit analog-TO-digitAL converters with hold	3-1/2 digit analog-TO-digitAL converters with hold	3-1/2 digit analog-TO-digitAL converters with hold
Is it Rohs certified?	incompatible	incompatible	incompatible	incompatible	-	-	-	incompatible	incompatible
Maker	TelCom Semiconductor, Inc. (Microchip Technology)	TelCom Semiconductor, Inc. (Microchip Technology)	TelCom Semiconductor, Inc. (Microchip Technology)	TelCom Semiconductor, Inc. (Microchip Technology)	-	-	-	TelCom Semiconductor, Inc. (Microchip Technology)	TelCom Semiconductor, Inc. (Microchip Technology)
package instruction	QFP, QFP44,.5SQ,32	DIP, DIP40,.6	DIP, DIP40,.6	DIP, DIP40,.6	-	-	-	DIP, DIP40,.6	QCCJ, LDCC44,.7SQ
Reach Compliance Code	unknown	unknown	unknown	unknown	-	-	-	unknown	unknown
Maximum analog input voltage	2 V	2 V	2 V	2 V	-	-	-	2 V	2 V
Minimum analog input voltage	0.2 V	0.2 V	0.2 V	0.2 V	-	-	-	0.2 V	0.2 V
Converter type	ADC, DUAL-SLOPE	ADC, DUAL-SLOPE	ADC, DUAL-SLOPE	ADC, DUAL-SLOPE	-	-	-	ADC, DUAL-SLOPE	ADC, DUAL-SLOPE
JESD-30 code	S-PQFP-G44	R-PDIP-T40	R-GDIP-T40	R-GDIP-T40	-	-	-	R-PDIP-T40	S-PQCC-J44
JESD-609 code	e0	e0	e0	e0	-	-	-	e0	e0
Maximum linear error (EL)	0.0122%	0.0122%	0.0122%	0.0122%	-	-	-	0.0122%	0.0122%
Number of analog input channels	1	1	1	1	-	-	-	1	1
Number of digits	13	13	13	13	-	-	-	13	13
Number of functions	1	1	1	1	-	-	-	1	1
Number of terminals	44	40	40	40	-	-	-	40	44
Maximum operating temperature	70 °C	70 °C	85 °C	85 °C	-	-	-	70 °C	70 °C
Output bit code	BINARY	BINARY	BINARY	BINARY	-	-	-	BINARY	BINARY
Package body material	PLASTIC/EPOXY	PLASTIC/EPOXY	CERAMIC, GLASS-SEALED	CERAMIC, GLASS-SEALED	-	-	-	PLASTIC/EPOXY	PLASTIC/EPOXY
encapsulated code	QFP	DIP	DIP	DIP	-	-	-	DIP	QCCJ
Encapsulate equivalent code	QFP44,.5SQ,32	DIP40,.6	DIP40,.6	DIP40,.6	-	-	-	DIP40,.6	LDCC44,.7SQ
Package shape	SQUARE	RECTANGULAR	RECTANGULAR	RECTANGULAR	-	-	-	RECTANGULAR	SQUARE
Package form	FLATPACK	IN-LINE	IN-LINE	IN-LINE	-	-	-	IN-LINE	CHIP CARRIER
power supply	9 V	9 V	+-5 V	+-5 V	-	-	-	+-5 V	9 V
Certification status	Not Qualified	Not Qualified	Not Qualified	Not Qualified	-	-	-	Not Qualified	Not Qualified
Maximum slew rate	1.8 mA	1.8 mA	1.8 mA	1.8 mA	-	-	-	1.8 mA	1.8 mA
Nominal supply voltage	9 V	9 V	5 V	5 V	-	-	-	5 V	9 V
surface mount	YES	NO	NO	NO	-	-	-	NO	YES
technology	CMOS	CMOS	CMOS	CMOS	-	-	-	CMOS	CMOS
Temperature level	COMMERCIAL	COMMERCIAL	OTHER	OTHER	-	-	-	COMMERCIAL	COMMERCIAL
Terminal surface	Tin/Lead (Sn/Pb)	Tin/Lead (Sn/Pb)	Tin/Lead (Sn/Pb)	Tin/Lead (Sn/Pb)	-	-	-	Tin/Lead (Sn/Pb)	Tin/Lead (Sn/Pb)
Terminal form	GULL WING	THROUGH-HOLE	THROUGH-HOLE	THROUGH-HOLE	-	-	-	THROUGH-HOLE	J BEND
Terminal pitch	0.8 mm	2.54 mm	2.54 mm	2.54 mm	-	-	-	2.54 mm	1.27 mm
Terminal location	QUAD	DUAL	DUAL	DUAL	-	-	-	DUAL	QUAD

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