Rainbow Electronics ISD5216 - Manual (Page 61)

I5216 SERIES
Advanced Information
PRELIMINARY
Publication Release Date: November 30, 2001
- 61 Revision A1
CODEC PARAMETERS
The internal CODEC meets the specification of the ITU-T G.714 recommendation in 8 kHz sampling
mode. This specification is verified, using the MIC+/- and SPEAKER+/- pins as analog input and
output.
The CODEC µ /A-Law Compander meets the specification of the ITU-T G.711 µ /A-Law companding
recommendation
Symbol Parameters Min Typ Max Units Conditions
L
ABS
Absolute level Vrms 0 dBm0 = -2.5dBm @ 600 Ω
T
XMAX
Max. Transmit level 2 Vpp Mic+/Mic- differential
f
ch1
High pass filter cut-off
frequency 300 Hz @WS=8kHz,
MCLK=13.824MHz
f
cl1
Low pass filter cut-off
frequency 3400 Hz @WS=8kHz,
MCLK=13.824MHz
f
cl2
Low pass filter cut-off
frequency 4686 5037 5100 Hz @ WS=44.1kHz – 48kHz,
MCLK=20.48MHz
∆ f
MCLK
Master clock frequency
accuracy -500 0 +500 ppm
D
MCLK
Master Clock Duty Cycle 48 50 52 %