tda9885ts NXP Semiconductors, tda9885ts Datasheet - Page 28

• Manufacturer Part Number: tda9885ts
• Description: I2c-bus Controlled Single And Multistandard Alignment-free If-pll Demodulators
• Manufacturer: NXP Semiconductors

Philips Semiconductors
2003 Oct 02
QV
V
V
I
AFC circuit (pin AFC); see Fig.10; notes 14 and 15
V
V
I
I
AFC
Qf
Qf
SIF amplifier (pins SIF1 and SIF2)
V
V
V
G
B
B
R
C
V
sink
o(source)
o(sink)
QV
G
o
sat
sat(ul)
sat(ll)
i(SIF)(rms)
i(max)(rms)
i(ovl)(rms)
SIF( 3dB)(ll)
SIF( 3dB)(ul)
i(dif)
i(dif)
I
I
alignment-free IF-PLL demodulators
SIF(cr)
VIF(a)
VIF(d)
2
IF
TOP
SYMBOL
C-bus controlled single and multistandard
stps
TOP
/ T
tuner takeover point accuracy
takeover point variation with
temperature
permissible output voltage
saturation voltage
sink current
IF slip by automatic gain control tuner gain current from
upper limit saturation voltage
lower limit saturation voltage
output source current
output sink current
AFC control steepness
analog accuracy of AFC circuit
digital accuracy of AFC circuit
via I
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
2
C-bus
PARAMETER
I
R
no R
I
I
from external source
I
no tuner gain reduction;
V
maximum tuner gain
reduction; V
20 % to 80 %
definition: I
I
I
1 digit = 25 kHz
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;
see Fig.9
note 3
note 3
TAGC
2
TAGC
TAGC
AFC
AFC
TAGC
TOP
C-bus (see Table 13)
= 0; f
= 0; f
28
CONDITIONS
TOP
= 10 k or
= 120 A;
= 120 A
= 450 A
= 8.8 V
and 0 dB via
REF
REF
TAGC
AFC
= 4 MHz
= 4 MHz;
/ f
= 1 V
VIF
7
450
3
V
160
160
0.85
50
80
60
20
20
P
MIN.
1 digit
0.6 V
TDA9885; TDA9886
17
0.03
600
5
0.3
200
200
1.05
30
70
70
140
66
15
80
2
3
1.93
P
TYP.
0.3
Product specification
43
0.07
8.8
0.5
0.75
750
8
0.6
240
240
1.25
+20
+20
+ 1 digit
70
100
320
MAX.
mV
dB/K
V
V
dB
V
V
kHz
kHz
mV
mV
mV
dB
MHz
MHz
k
pF
V
A
A
A
A
A/kHz
V
V
UNIT