TDA9887 Philips Semiconductors, TDA9887 Datasheet - Page 32

• Manufacturer Part Number: TDA9887
• Description: I2C-bus controlled multistandard alignment-free IF-PLL demodulator with FM radio
• Manufacturer: Philips Semiconductors

Philips Semiconductors
2004 Aug 25
I
I
t
T
K
K
Audio amplifier
D
R
V
V
AF
V
I
I
I
A
R
V
R
R
C
B
B
o(source)(DAH)
o(sink)(DAH)
W(DAH)
L
ch(max)
dch(max)
cy(DAH)
V
O(FM)
D(FM)
AF(rms)
O
dec
UDIO OUTPUT
O(AUD)
AF( 3dB)(ul)
AF( 3dB)(ll)
mute
E
o
o
L
L(DC)
L
I
IF-PLL demodulator with FM radio
2
-
jump
EMPHASIS NETWORK
DECOUPLING
SYMBOL
C-bus controlled multistandard alignment-free
(
PIN
(
PIN
output source current of digital
acquisition help
output sink current of digital
acquisition help
pulse width of digital acquisition
help current
cycle time of digital acquisition
help
VCO steepness
phase detector steepness
output resistance
audio signal (RMS value)
DC output voltage
DC decoupling voltage
leakage current
maximum charge current
maximum discharge current
output resistance
DC output voltage
load resistance
DC load resistance
load capacitance
upper limit 3 dB AF bandwidth
of audio amplifier
lower limit 3 dB AF bandwidth
of audio amplifier
mute attenuation of AF signal
DC jump voltage for switching
AF output to mute state or vice
versa
AUD)
AFD)
(
PIN
PARAMETER
DEEM)
definition: f
definition: I
50 s de-emphasis;
see Table 12
75 s de-emphasis;
see Table 12
f
V
dependent on f
intercarrier frequency
note 3
AC-coupled
note 20
via I
activated by digital
acquisition help or via
I
AF
2
V
AUD
C-bus mute
O(AUD)
= 400 Hz;
2
32
CONDITIONS
C-bus
= 500 mV
< 50 mV
FM
FMPLL
/ V
FM
/
FMPLL
FM
4.4
6.6
1.5
1.15
1.15
10
100
150
70
MIN.
55
55
16
64
3.3
4
5.0
7.5
170
2.37
1.50
1.50
2.37
75
50
TYP.
Product specification
5.6
8.4
3.3
1.85
1.85
300
1.5
20
25
150
MAX.
TDA9887
MHz/V
k
k
mV
V
V
nA
V
k
k
nF
kHz
Hz
dB
mV
A
A
s
s
A/rad
A
A
UNIT