tda8296 NXP Semiconductors, tda8296 Datasheet - Page 60

• Manufacturer Part Number: tda8296
• Description: Tda8296 Digital Global Standard Low If Demodulator For Analog Tv And Fm Radio
• Manufacturer: NXP Semiconductors

NXP Semiconductors
Table 64.
Power supplies 3.3 V, 1.2 V; T
3 % for L/L’ , 10 % for M, 10 % for B/G, 12.5 % for D/K, 20 % for I; FM/AM modulation = 54 %, 1 kHz modulation frequency;
measured in application PCB (see
1 k
full scale, input frequencies as defined under row header IF input.
TDA8296
Product data sheet
Symbol
α
τ
B
THD
B
α
deemp
hr(AF)
AM
−3dB
AF(−3dB)
Ω
(SSIF/audio). Operation mode set via easy programming
Characteristics
Parameter
AF headroom
de-emphasis time constant M/N standard (mono);
−3 dB bandwidth
total harmonic distortion
−3 dB AF bandwidth
AM suppression
…continued
amb
= 25
Figure 22
°
C; PC/SC1 for L and M = 10 dB, all others 13 dB; nominal residual picture carrier of
Digital global standard low IF demodulator for analog TV and FM radio
All information provided in this document is subject to legal disclaimers.
and
Conditions
before clipping; 1 kΩ DC or
AC load
FM radio USA
B/G/H, I, D/K standard;
FM radio Europe
audio low-pass filter
FM; for 50 kHz deviation
before pre-emphasis (25 kHz
for M standard)
AM; m = 80 %
AM
FM
of FM demodulator;
AM: f = 1 kHz; m = 54 %
referenced to 27 kHz FM
deviation
M standard; related to
±25 kHz peak deviation
before pre-emphasis
B, G/H, I, D/K standard;
related to ±50 kHz peak
deviation before
pre-emphasis
L/L-accent standard;
PC / SC1 ratio for start of
audio output clipping; AM;
m = 100 %; related to mean
SC1
FM radio; 30 % modulation
degree related to ±22.5 kHz
peak deviation before
pre-emphasis
L/L-accent standard
M-BTSC standard
Figure
Rev. 1 — 3 March 2011
23) with 16 MHz crystal frequency, terminated with 75
(Section
9.3.1), otherwise stated. Low IF input signal at -3dB
Min
-
-
-
-
-
-
-
-
-
-
20
40
40
Typ
7
7
9
9
75
50
30
140
0.15
0.5
27
50
51
TDA8296
© NXP B.V. 2011. All rights reserved.
Max
-
-
-
-
-
-
-
-
0.3
1
-
-
-
Ω
(CVBS) and
Unit
dB
dB
dB
dB
μs
μs
kHz
kHz
%
%
kHz
kHz
dB
60 of 87