
1999 Jul 21
17
Philips Semiconductors
Product specication
Alignment-free multistandard vision and
FM sound IF-PLL demodulator
TDA9880
Audio amplier (pins 5, 6 and 8)
Ro(5)
output resistance at pin 5
note 23
4.4
5.0
5.6
k
VAF(5)(rms)
audio signal (RMS value) at
pin 5
170
mV
VO(5)
DC output voltage at pin 5
2.37
V
Ro(8)
output resistance at pin 8
note 3
200
VO(8)
DC output voltage at pin 8
2.37
V
Io(source)(max)(8)
maximum AC and DC output
source current at pin 8
0.5
mA
Io(sink)(max)(8)
maximum AC and DC output
sink current at pin 8
0.5
mA
V6
DC decoupling voltage at pin 6 dependent on intercarrier
frequency fFM
1.5
3.3
V
IL(6)
leakage current at pin 6
VO(8) < ±50 mV
±25
nA
Ich(max)(6)
maximum charge current at
pin 6
1.15
1.5
1.85
A
Idch(max)(6)
maximum discharge current at
pin 6
1.15
1.5
1.85
A
BAF(3dB)
3 dB audio frequency
bandwidth of audio amplier
upper limit
150
kHz
lower limit; note 24
20
Hz
αmute(8)
mute attenuation of AF signal
at pin 8
note 17
70
75
dB
V
8
DC jump voltage at pin 8 for
switching AF output to mute
state and vice versa
activated by digital
acquisition help; note 17
±50
±150
mV
Standard switch (pins 9 and 10); see Table 2
Vi
input voltage
pin open-circuit;
Ii(9,10) < 0.1 A
2.8
3.0
3.6
V
for LOW
0
0.8
V
for MID
1.3
1.8
2.3
V
for HIGH
2.8
VP
V
Ii(source)
input source current
Vi(9,10) = 0 V
87
105
122
A
Vi(9,10) = 1.8 V
333945
A
Reference input (pin 15); note 25
VI
DC input voltage
2.3
2.6
2.9
V
Ri
input resistance
2.5
3.0
3.5
k
Rxtal
resonance resistance of crystal operation as crystal
oscillator
200
Cx
pull-up/down capacitance
note 26
pF
fref
frequency of reference signal
4.0
MHz
f
ref
tolerance of reference
frequency
note 15
±0.1
%
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT