SAA2501 Datasheet, PDF (45/52 Pages) NXP Semiconductors – Digital Audio Broadcast DAB decoder

Philips Semiconductors
Digital Audio Broadcast (DAB) decoder
Preliminary specification
SAA2501
SYMBOL
PARAMETER
CONDITIONS
FSCLK
f_clk
clock frequency
MCLK
f_clk
SCK
clock frequency
MSEL = 00;
FSCLKM = 0;
f_s = 44.1 kHz
MSEL = 00;
FSCLKM = 0;
f_s = 48 kHz
MSEL = 00;
FSCLKM = 0;
f_s = 32 kHz
f_clk
clock frequency
Inputs
FSCLK384 = 0;
f_SCK = 64f_s
FSCLK384 = 1;
f_SCK = 64f_s
C_i
t_su1
t_su2
t_su3
t_d1
t_h1
t_h2
t_h3
t_h4
t_L
Outputs
input capacitance
set-up time FDAI to SCK HIGH
set-up time CDM and CDMEF to
CDMCL, CDS, CDSEF and CDSWA
HIGH
set-up time CDSSY to CDSCL HIGH
delay time L3MODE to L3LCK LOW
hold time FDAI to SCK HIGH
hold time CDM, CDMEF to CDMCL,
CDS, CDSEF and CDSWA HIGH
hold time CDSSY to CDSCL HIGH
input hold time
L3MODE LOW time
C_L < 25 pF
C_L < 25 pF
C_o
output capacitance
t_h
hold time SD, WS, FDAO, FDFSY and notes 3 and 4
FDEF to SCK LOW
t_h
hold time CDMWS to CDMCL LOW notes 3 and 4
t_d
delay time SD, WS, FDAO, FDFSY and note 3
FDEF to CDMCL LOW
t_d
delay time CDMWS to CDMCL LOW note 3
MIN.
−
−
−
−
−
−
−
33
42
T_m + 10
0
0
0
10
0
T_m + 10
−
−22
−15
−
−
TYP.
MAX.
1_{⁄2fX22IN −}
1_{⁄2fMCLKIN −}
1_{⁄3fMCLKIN −}
f_MCLKIN
−
1_⁄4fSCLK
−
1_⁄6fSCLK
−
−
10
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
50
−
−
−
−
−
10
−
0
UNIT
MHz
MHz
MHz
MHz
MHz
MHz
pF
ns
ns
ns
ns
ns
ns
ns
ns
ns
pF
ns
ns
ns
ns
January 1995
45