cs5378 Cirrus Logic, Inc., cs5378 Datasheet - Page 7

• Manufacturer Part Number: cs5378
• Description: Low-power Single-channel Decimation Filter
• Manufacturer: Cirrus Logic, Inc.

1.2 Integrated Peripheral Features
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DS639F1
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Low jitter PLL to generate local clocks.
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Synchronous operation for simultaneous sam-
pling in multi-sensor systems.
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High speed serial data output.
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Digital test bit stream signal generator suitable
for CS4373 ∆Σ test DAC.
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Modulator
512 kHz
Input
DC offset.
Calibration engine for automatic calcula-
tion of offset correction factor.
1.024 MHz, 2.048 MHz, 4.096 MHz stan-
dard clock or manchester encoded input.
MCLK / MSYNC output signals to syn-
chronize external components.
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.
Sine wave output mode for testing total har-
monic distortion.
Corrections
DC Offset
Gain &
Sinc Filter
2 - 64000
FIR1
4
Figure 2. Digital Filtering Stages
Output Word Rate from 4000 SPS ~ 1 SPS
FIR2
Output to High Speed Serial Interface
2
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1.3 System Level Features
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Time break controller to record system timing
information.
8 General Purpose I/O (GPIO) pins for local
hardware control.
Flexible configuration options.
Low power consumption.
Flexible power supply configurations.
Impulse output mode for transfer function
characterization.
Dedicated TB status bit in the output data
stream.
Programmable output delay to match sys-
tem group delay.
Configuration 'on-the-fly' via microcontrol-
ler or system telemetry.
Fixed configuration via stand-alone boot
EEPROM.
16 mW at 500 SPS OWR.
100 µW standby mode.
Separate digital logic core, telemetry I/O,
1
st
IIR1
Order
2
nd
IIR2
Order
CS5378
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