APx PDM I/O Module for B Series: Specifications 81
PDM
Sine Wave Jitter
Frequency Range (f
J
)
2 Hz 200 kHz
Amplitude Range
Referenced to bit clock rate,
subject to linear derating
at jitter frequencies >20kHz
3.5 UI or 1591 ns
which ever is less
Amplitude Resolution 100 ps
Accuracy (1 kHz) ±0.01%
Flatness ±0.01%
Jitter Spectrum
1
Spurious products
are typically
–40 dBc (below jitter
signal) or
–60 dBUI,
whichever is larger.
2
Square Wave and Noise Waveform Jitter
Jitter amplitude
limited to
40 ns maximum.
PDM Output Jitter Tolerance
Sine wave jitter, bit clock rates from
128kHz to 24.576 MHz
3.5 UI (subject to
1591ns max jitter limit)
Notes to Specifications
1. System specification including contributions from both generator and analyzer subject to the following condition: Bit Clock 192 kHz.
2. For PDM, the Unit Interval (UI) is defined as 1/fb, where fb is the bitclock rate in hertz.
Parameter Symbol Test Conditions Min Typ Max Unit
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