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See Technical Specifications

TC7109CPL

12-Bit Dual Slope Analog-to-Digital Converter.

Manufacturer:

Microchip Technology, Inc
Mfr.Part #:

TC7109CPL
Datasheet:

TC7109CPL Datasheet (PDF)
Number of Bits:

12
Sampling Rate (Per Second):

30
Number of Inputs:

1
Input Type:

Differential
EDA/CAD Models:

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TC7109CPL General Description

The TC7109 is a 12-bit plus sign, CMOS low-power analog-to-digital converter (ADC). Only eight passive components and a crystal are required to form a complete dual-slope integrating ADC. The improved Voh source current TC7109 has features that make it an attractive per-channel alternative to analog multiplexing for many data acquisition applications. These features include typical input bias current of 1pA, drift of less than 1 µV/°C, input noise typically 15 µVp-p, and auto-zero. True differential input and reference allow measurement of bridge-type transducers such as load cells, strain gauges, and temperature transducers. In the handshake mode, the TC7109 will operate with industry-standard UARTs in controlling serial data transmission - ideal for remote data logging.

Key Features

Zero-Integrator Cycle for Fast Recovery from Input Overloads
Eliminates Cross-Talk in Multiplexed Systems
12-Bit Plus Sign Integrating A/D Converter with Overrange Indication
True Differential Signal Input and Differential Reference Input
Low Noise: 15µVp-p Typ.
Input Current: 1pA Typ.
No Zero Adjustment Needed
UART Handshake Mode for Simple Serial Data Transmission

Specifications

Category	Integrated Circuits (ICs)Data AcquisitionAnalog to Digital Converters (ADC)	Series	-
Number of Bits	12	Sampling Rate (Per Second)	30
Number of Inputs	1	Input Type	Differential
Data Interface	Parallel	Configuration	ADC
Ratio - S/H:ADC	-	Number of A/D Converters	1
Architecture	Dual Slope	Reference Type	External
Voltage - Supply, Analog	5V	Voltage - Supply, Digital	5V
Features	-	Operating Temperature	0°C ~ 70°C
Mounting Type	Through Hole	Base Product Number	TC7109
Product Category	Analog to Digital Converters - ADC	Mounting Style	Through Hole
Resolution	12 bit	Number of Channels	1 Channel
Interface Type	Parallel	Sampling Rate	10 S/s
Minimum Operating Temperature	0 C	Maximum Operating Temperature	+ 70 C
Height	4.95 mm	Length	53.21 mm
Number of Converters	1 Converter	Operating Supply Voltage	6.2 V
Pd - Power Dissipation	1230 mW	Product	Analog to Digital Converters
Product Type	ADCs - Analog to Digital Converters	Shutdown	No Shutdown
Factory Pack Quantity	10	Subcategory	Data Converter ICs
Type	Low Power ADC	Width	14.73 mm
Unit Weight	0.210004 oz