Download Datasheets TC3402 Device 
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Home - Analog & Interface Products - Mixed Signal Devices - Sigma Delta - TC3402 Device, download datasheet

Download Datasheets TC3402 Device


The TC3402 is a low cost, low power analog-to-digital converter based on Microchips Sigma-Delta technology. It will perform 16-bit conversions (15-bit plus sign) at up to eight per second. The TC3402 is optimized for use as a microcontroller peripheral in low cost, battery operated systems. A voltage reference is included, or an external reference can be used. The TC3402s 2-wire MicroPort digital interface is used for starting conversions and for reading out the data. Driving the SCLK line low starts a conversion. After the conversion starts, each additional falling edge (up to six) detectedonSCLKfor t4 secondsreducestheA/Dresolution by one bit and cuts conversion time in half. After a conversion is completed, clocking the SCLK line puts the MSB through LSB of the resulting data word onto the SDAT line, much like a shift register. The part automatically sleeps when not performing a data conversion. The TC3402 is available in 16-Pin PDIP and 16-Pin QSOP packages.

Datasheet and Other Documentation

Detailed Content

Lit. Number

Download

 

TC3402 Datasheet

21411a

Download TC3402 Datasheet

Status

In Production

Specification Chart

Resolution (bits)

Maximum Sampling Rate (conv/sec)

# of Input Channels

Interface

Input Voltage Range (V)

Typical Supply Current (A)

Typical INL (%FSR)

10 to 16

512

4 Diff

2-Wire

1.8 to 5.5

250

0.0038

Additional Features

16-Bit Resolution at Eight Conversions Per Second,
Adjustable Down to 10-Bit Resolution at 51
Conversions Per Second
1.8V 5.5V Operation
Low Power Operating 250A
Sleep 0.75A
MicroPort Serial Bus Requires Only Two Interface Lines
Uses Internal or External Reference
Automatically Enters Sleep Mode When Not In Use
Four True Differential Inputs with Built-In Multiplexer

Package Options

16 PDIP(P), 16 QSOP(QS)



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