TDA9887 Philips Semiconductors, TDA9887 Datasheet - Page 29

• 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
SIF amplifier (pins SIF1 and SIF2)
V
V
V
G
B
B
R
C
V
SIF-AGC detector
t
Single reference QSS intercarrier mixer (pin SIOMAD)
V
B
resp
V
i(SIF)(rms)
i(max)(rms)
i(ovl)(rms)
SIF( 3dB)(ll)
SIF( 3dB)(ul)
I
o(intc)(rms)
intc( 3dB)(ul)
i(dif)
i(dif)
I
IF-PLL demodulator with FM radio
SIF(cr)
2
r(SC)(rms)
SYMBOL
C-bus controlled multistandard alignment-free
SIF input voltage sensitivity
(RMS value)
maximum input voltage
(RMS value)
overload input voltage
(RMS value)
SIF gain control range
lower limit 3 dB SIF bandwidth
upper limit 3 dB SIF bandwidth
differential input resistance
differential input capacitance
DC input voltage
AGC response time to an
increasing or decreasing SIF
step of 20 dB
IF intercarrier output level
(RMS value)
upper limit 3 dB intercarrier
bandwidth
residual sound carrier
(RMS value)
PARAMETER
FM mode; 3 dB at
intercarrier output
pin SIOMAD
AM mode; 3 dB at
AF output pin AUD
FM mode; 1 dB at
intercarrier output
pin SIOMAD
AM mode; 1 dB at
AF output pin AUD
note 2
FM and AM mode
note 3
note 3
FM or AM fast step
AM slow step
QSS mode;
SC
L standard;
without modulation
intercarrier mode;
PC/SC
SC
fundamental wave and
harmonics
increasing
decreasing
increasing
decreasing
QSS mode
intercarrier mode
1
2
; SC
29
CONDITIONS
off; note 16
1
2
= 20 dB;
off
50
80
60
90
90
12
MIN.
30
70
70
140
66
15
80
2
3
1.93
8
25
80
250
140
140
75
15
2
2
TYP.
Product specification
70
100
320
180
180
5
5
MAX.
TDA9887
mV
mV
mV
dB
MHz
MHz
k
pF
V
ms
ms
ms
ms
mV
mV
mV
MHz
mV
mV
V
V
UNIT