Audio Precision B Series - Page 60

Characteristic Specifications Supplemental Information
58 APx Digital DSIO Module for B Series: Specifications
DSIO
3.3 volt setting
High level input
Minimum 1.8 V
Low level input
Maximum 1.5 V
High level output
Minimum 3.0 V
Low level output
Maximum 0.1 V
Absolute range
Minimum –0.5 V
Maximum 5.5 V
Input/Output impedance
All Outputs
50 , nominal
All Inputs
10 k, nominal
AC characteristics
Clock frequencies, input or output
Master clock 4 kHz–56 MHz Actual clock rate is dependent upon bit
clock, word width, and sample rate set-
tings.
Bit clock 4 kHz–56 MHz maximum Actual clock rate is dependent upon
word width and sample rate settings.
Frame 432 kHz maximum
Output latency
Frame typ 3 ns referenced to Bit clock
Data 1–4 typ 3 ns referenced to Bit clock
Monitor ports typ 10 ns referenced to Signal pin
Input setup and hold requirements
Frame, setup 6 ns referenced to Bit clock
Frame, hold 2 ns referenced to Bit clock
Data 1–4, setup 6 ns referenced to Bit clock
Data 1–4, hold 2 ns referenced to Bit clock