Download Datasheets TC3404 Device 
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Home - Analog & Interface Products - Mixed Signal Devices - Sigma Delta - TC3404 Device, download datasheet

Download Datasheets TC3404 Device


The TC3404 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 TC3404 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. Threshold detector is provided for use as an early warning power fail detector, or as a wake-up timer. The TC3404s 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) detected on SCLK for t4 seconds reduces the A/D resolution 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 TC3404 is available in 16-Pin PDIP and 16-Pin QSOP packages.

Datasheet and Other Documentation

Detailed Content

Lit. Number

Download

 

TC3404 Datasheet

21413a

Download TC3404 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

2 Single-ended, 2 Diff

2-Wire

1.8 to 5.5

280

0.0038

Additional Features

16-Bit Resolution at Eight Conversions Per Second,
Adjustable Down to 10-Bit Resolution at 512
Conversions Per Second
1.8V 5.5V Operation
Low Power Operating 280A
Sleep 37A
One Differential and Three Single Ended Inputs with
Built-In Multiplexer
MicroPort Serial Bus Requires Only Two Interface Lines
Uses Internal or External Reference
VDD Monitor and Reset Generator Operational in
Shutdown Mode
Automatically Enters Sleep Mode When Not In Use

Package Options

16 PDIP(P), 16 QSOP(QS)



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