tda9898 NXP Semiconductors, tda9898 Datasheet - Page 5

• Manufacturer Part Number: tda9898
• Description: Multistandard Hybrid If Processing Semiconductors
• Manufacturer: NXP Semiconductors

NXP Semiconductors
Table 1.
V
TDA9897_TDA9898_3
Product data sheet
Symbol
(S/N)
PSRR
V
FM sound part
V
Digital TV signal processing
Digital direct IF
V
G
G
PSRR
Digital low IF
V
G
G
f
synth
P
o(RMS)
i(FM)(RMS)
I
AM
o(dif)(p-p)
o(dif)(p-p)
IF(max)
IF(cr)
IF(max)
IF(cr)
AFC
= 5 V; T
w(AF)
/ f
RIF
amb
Quick reference data
Parameter
AF weighted signal-to-noise ratio
power supply ripple rejection
RMS output voltage
RMS FM input voltage
change of AFC current with RIF
frequency
AM suppression
peak-to-peak differential output
voltage
maximum IF gain
control range IF gain
power supply ripple rejection
peak-to-peak differential output
voltage
maximum IF gain
control range IF gain
synthesizer frequency
= 25 C.
…continued
Rev. 03 — 11 January 2008
Conditions
“ITU-R BS.468-4”
f
IF intercarrier single-ended
to GND; SC1 on; SC2 off
IF intercarrier single-ended
to GND; L standard;
without modulation; BP on;
W7[5] = 0
gain controlled operation;
W1[1:0] = 10 or
W1[1:0] = 11 or
W1[1:0] = 01; see
AFC radio mode
referenced to 27 kHz
FM deviation;
50 s de-emphasis;
AM: f = 1 kHz; m = 54 %
between pin OUT2A and
pin OUT2B
output peak-to-peak level to
input RMS level ratio
residual spurious at nominal
differential output voltage
dependent on power supply
ripple
between pin OUT1A and
pin OUT1B; W4[7] = 0
output peak-to-peak level to
input RMS level ratio
see
ripple
FM: 27 kHz FM deviation;
50 s de-emphasis; vision
carrier unmodulated;
FM PLL only
AM: BP off
W4[7] = 0
W4[7] = 1
f
f
ripple
ripple
Table 35
= 70 Hz; see
= 70 Hz
= 20 kHz
and
Table 36
Figure 15
Figure 11
TDA9897; TDA9898
Multistandard hybrid IF processing
[6]
[7]
[8]
[8]
[8]
[7]
[8]
[8]
Min
48
44
14
90
45
2
0.85
35
-
-
-
60
-
-
-
-
60
-
Typ
56
50
20
140
70
-
1.05
46
1.0
0.50
83
66
60
60
2
89
66
-
© NXP B.V. 2008. All rights reserved.
Max
-
-
-
180
90
300
1.25
-
1.1
0.55
-
-
-
-
-
-
-
-
Unit
dB
dB
dB
mV
mV
mV
dB
V
V
dB
dB
dB
dB
V
dB
dB
MHz
5 of 103
A/kHz