CS5378 datasheet(7/88 Pages) CIRRUS

7 / 88 page

CS5378

DS639F2

DC offset.

Calibration engine for automatic calcula-

tion of offset correction factor.

1.2 Integrated Peripheral Features

•

Low jitter PLL to generate local clocks.

1.024 MHz, 2.048 MHz, 4.096 MHz stan-

dard clock or Manchester encoded input.

•

Synchronous operation for simultaneous sam-

pling in multi-sensor systems.

MCLK / MSYNC output signals to syn-

chronize external components.

•

High speed serial data output.

Asynchronous operation to 4 MHz for di-

rect connection to system telemetry.

Internal 8-deep data FIFO for flexible out-

put timing.

Selectable 24-bit data only or 32-bit sta-

tus+data output.

•

Digital test bit stream signal generator suitable

for CS5373A

∆Σ test DAC.

Sine wave output mode for testing total har-

monic distortion.

•

Time break controller to record system timing

information.

Dedicated TB status bit in the output data

stream.

Programmable output delay to match sys-

tem group delay.

•

8 General Purpose I/O (GPIO) pins for local

hardware control.

1.3 System Level Features

•

Flexible configuration options.

Configuration 'on-the-fly' via microcontrol-

ler or system telemetry.

Fixed configuration via stand-alone boot

EEPROM.

•

Low power consumption.

16 mW at 500 SPS OWR.

100

µW standby mode.

•

Flexible power supply configurations.

Separate digital logic core, telemetry I/O,

and PLL power supplies.

Telemetry I/O and PLL interfaces operate

Figure 2. Digital Filtering Stages

Sinc Filter

2 - 64000

FIR1

FIR2

IIR1

IIR2

1st Order

2nd Order

Output to High Speed Serial Interface

DC Offset

Corrections

Output Word Rate from 4000 SPS ~ 1 SPS

Gain &

Modulator

512 kHz

Input

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