Audio Precision APx555 User Manual

74 APx PDM 16 Input Module for B Series: Specifications
PDM 16
DISTORTION, NOISE and DYNAMIC RANGE (when tested with APx PDM Module output)
1
MODULATOR: ORDER 4, 64X OSR
Overload Point OLP 1 kHz –7.8 dBFS
Total Harm. Dist. + Noise @OLP; BW = 0.45 FS -105 dB
Signal-to-Noise Ratio SNR @OLP; BW = 0.45 FS 106 dB
Dynamic Range DNR @MIL; FS = 48 kHz, per AES17 115 dB
MODULATOR: ORDER 5, 64X OSR
Overload Point OLP 1 kHz -9.4 dBFS
Total Harm. Dist. + Noise @OLP; BW = 0.45 FS -116 dB
Signal-to-Noise Ratio SNR @OLP; BW = 0.45 FS 116 dB
Dynamic Range DNR @MIL; FS = 48 kHz, per AES17 125 dB
MODULATOR: ORDER 4, 128X OSR
Overload Point OLP 1 kHz -7.9 dBFS
Total Harm. Dist. + Noise @OLP; BW = 0.45 FS -127 dB
Signal-to-Noise Ratio SNR @OLP; BW = 0.45 FS 127 dB
Dynamic Range DNR @MIL; FS = 48 kHz, per AES17 135 dB
MODULATOR: ORDER 5, 128X OSR
Overload Point OLP 1 kHz -9.6 dBFS
Total Harm. Dist. + Noise @OLP; BW = 0.45 FS -127 dB
Signal-to-Noise Ratio SNR @OLP; BW = 0.45 FS 127 dB
Dynamic Range DNR @MIL; FS = 48 kHz, per AES17 135 dB
Parameter Symbol Test Conditions Min Type Max Unit

Audio Precision APx555 Specifications

General

Brand	Audio Precision
Model	APx555
Category	Measuring Instruments
Language	English