參數(shù)資料
型號: SAA6588T
廠商: NXP SEMICONDUCTORS
元件分類: 消費(fèi)家電
英文描述: RDS/RBDS pre-processor
中文描述: SPECIALTY CONSUMER CIRCUIT, PDSO20
封裝: PLASTIC, SO-20
文件頁數(shù): 17/28頁
文件大?。?/td> 176K
代理商: SAA6588T
1997 Sep 01
17
Philips Semiconductors
Product specification
RDS/RBDS pre-processor
SAA6588
CHARACTERISTICS ANALOG PART
V
DDA
= V
DDD
= 5 V; T
amb
= 25
°
C; measurements taken in Fig.1; unless otherwise specified.
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
Supply
V
DDA
V
DDA
V
DDD
voltage difference between
analog and digital supply
I
DD(tot)
total supply current
V
ref
reference voltage
Z
o(Vref)
output impedance at pin V
ref
analog supply voltage
4.5
5.0
0
5.5
0.5
V
V
2.25
14.0
2.5
25
2.75
mA
V
k
V
DDA
= 5 V
MPX input (signal before the capacitor on pin MPX)
V
i(MPX)(rms)
RDS amplitude (RMS value)
f =
±
1.2 kHz RDS-signal;
f =
±
3.2 kHz spurious signal
f = 57
±
2 kHz
f < 50 kHz
f < 15 kHz
f > 70 kHz
f = 0 to 100 kHz
1
mV
V
i(max)(p-p)
maximum input signal capability
(peak-to-peak value)
200
1.4
2.8
3.5
33
mV
V
V
V
k
R
i(MPX)
input resistance
57 kHz band-pass filter
f
c
B
3dB
G
MPX
α
sb
centre frequency
3 dB bandwidth
signal gain
stop band attenuation
T
amb
=
40 to +85
°
C
56.5
2.5
17
31
40
50
40
57.0
3.0
20
30
57.5
3.5
23
60
kHz
kHz
dB
dB
dB
dB
dB
f = 57 kHz
f =
±
7 kHz
f < 45 kHz
f < 20 kHz
f > 70 kHz
f = 57 kHz
R
o(SCOUT)
output resistance at pin SCOUT
Comparator input (pin CIN)
V
i(min)(rms)
minimum input level
(RMS value)
input resistance
f = 57 kHz
1
10
mV
R
i
70
110
150
k
Multi-path detector (pins LVIN, MPTH and MRO)
Z
i(LVIN)
V
i(LVIN)
f
c(MPD)
input impedance at pin LVIN
input voltage at pin LVIN
centre frequency of the
multi-path detector band-pass
filter
bandwidth of the multi-path
detector band-pass filter
stop band attenuation
f = 21 kHz
24
1.0
20
30
2.5
21
36
4.0
22
k
V
kHz
B
MPD
3.6
4.0
4.4
kHz
α
sb
f = 11 kHz
f = 31 kHz
C6 = 100 nF; R4 = 470 k
16
12
6.4
dB
dB
ms
t
att(MRO)
attack time of the rectifier
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