SAA6579T Просмотр технического описания (PDF) - Philips Electronics
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SAA6579T Datasheet PDF : 16 Pages
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Philips Semiconductors
Radio Data System (RDS) demodulator
Product specification
SAA6579
SYMBOL
PARAMETER
CONDITIONS
MIN. TYP. MAX. UNIT
Digital demodulator and outputs QUAL, RDDA, T57, OSCO and RDCL (pins 1, 2, 14, 15 and 16)
VOH
VOL
fRDCL
∆tRDCL
fT57
IO
HIGH level output voltage
LOW level output voltage
nominal clock frequency RDCL
jitter of RDCL
nominal subcarrier frequency T57
output current OSCO (pin 14)
output current QUAL, RDDA, T57,
RDCL (pins 1, 2, 15 and 16)
IQ = −20 µA; VDDD = 4.5 V
IQ = 3.2 mA; VDDD = 5.5 V
note 1
VDDD = 4.5 V; V14 = 0.4 V
VDDD = 4.5 V; V14 = 4.1 V
VDDD = 4.5 V; V14 = 0.4 V
VDDD = 4.5 V; V14 = 4.1 V
4.4 −
−
−
−
0.4
−
1187.5 −
−
−
18
−
57.0 −
1.5 −
−
−1.6 −
−
5.9 −
−
−5.3 −
−
4.332 MHz crystal parameters
f0
∆fmax
∆fo
CL
Rxtal
XTAL frequency
maximum permitted tolerance
adjustment tolerance of f0
load capacitance
resonance resistance
Tamb = 25 °C
Tamb = −40 to +85 °C
−
4.332 −
−
±50 −
−
−
±20
−
−
±25
−
30
−
−
−
60
8.664 MHz crystal parameters
f0
∆fmax
∆fo
CL
Rxtal
XTAL frequency
maximum permitted tolerance
adjustment tolerance of f0
load capacitance
resonance resistance
Tamb = 25 °C
Tamb = −40 to +85 °C
−
8.664 −
−
±50 −
−
−
±30
−
−
±30
−
30
−
−
−
60
Note
1. The signal T57 has a phase lead of 123° (±180°) relative to the ARI carrier at output SCOUT.
V
V
Hz
µs
kHz
mA
mA
mA
mA
MHz
10−6
10−6
10−6
pF
Ω
MHz
10−6
10−6
10−6
pF
Ω
1997 Feb 24
7
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