SAA2520 Datasheet, PDF (30/36 Pages) NXP Semiconductors – Stereo filter and codec for MPEG layer 1 audio applications

Philips Semiconductors
Stereo filter and codec for MPEG layer 1
audio applications
Preliminary specification
SAA2520
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
Input RESET
V_tlh
positive-going threshold
V_thl
negative-going threshold
V_hys
hystersis
(V_tlh - V_thl)
+I_I
input current
V_i = V_DD;
T_amb = 25 °C
−
−
0.2V_DD
−
−
1.5
40
−
Outputs MUTEDAC, DEEMDAC, ATTDAC, SYNCDAI, FDIR, FRESET, FSYNC, CLK22
V_OH
HIGH level output voltage +I_o = 2 mA
V_OL
LOW level output voltage −I_o = 2 mA
V_DD−0.5
−
−
−
Outputs CLK24
V_OH
HIGH level output voltage +I_o = 8 mA
V_OL
LOW level output voltage −I_o = 8 mA
V_DD−0.5
−
−
−
Inputs/outputs SBDA, SBCL, SBWS, FDAF, FDAC, SCL, SWS, SDA, LTDATA
V_OH
HIGH level output voltage +I_o = 2 mA
V_OL
LOW level output voltage −I_o = 2 mA
V_DD−0.5
−
−
−
Outputs SBDA, SBCL, SBWS, FDAF, FDAC, SCL, SWS, SDA, LTDATA in 3-state
V_IH
HIGH level input voltage
V_IL
LOW level input voltage
I_I
input current
V_i = V_DD;
T_amb = 25 °C
0.7V_DD
−
−
−
40
−
Input/output SBMCLK
V_OH
HIGH level output voltage +I_o = 8 mA
V_OL
LOW level output voltage −I_o = 8 mA
V_DD−0.5
−
−
−
Output SBMCLK in 3-state
V_IH
HIGH level input voltage
V_IL
LOW level input voltage
I_I
input current
V_i = V_DD;
T_amb = 25 °C
0.7V_DD
−
−
−
40
−
Input/output FS256
V_OH
HIGH level output voltage +I_o = 12 mA
V_OL
LOW level output voltage −I_o = 12 mA
V_DD−0.5
−
−
−
Output FS256 in 3-state
V_IH
HIGH level input voltage
V_IL
LOW level input voltage
I_I
input current
V_i = V_DD;
T_amb = 25 °C
0.7V_DD
−
−
−
40
−
Note
1. For load impedances representative of the application.
0.8V_DD
−
−
250
−
0.4
−
0.4
−
0.4
−
0.3V_DD
250
−
0.4
−
0.3V_DD
250
−
0.4
−
0.3V_DD
250
UNIT
V
V
V
µA
V
V
V
V
V
V
V
V
µA
V
V
V
V
µA
V
V
V
V
µA
August 1993
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