tda8296 NXP Semiconductors, tda8296 Datasheet - Page 56

• 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
IF demodulation (video equalizer in Flat mode)
B
α
B
t
Digital IF AGC (internal loop)
B
t
ΔG
Tuner IF AGC (external loop)
t
f
ripple(GDE)
resp
resp
−3dB(lpf)
sup(stpb)
T(tot)
video(−1dB)
−3dB(cl)
Ω
AGC
(SSIF/audio). Operation mode set via easy programming
Characteristics
Parameter
total transition bandwidth
stop-band suppression
−1 dB video bandwidth
group delay equalizer ripple
time
closed-loop −3 dB
bandwidth
response time
AGC gain range
response time
low-pass filter −3 dB
frequency
…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
Nyquist filter; all standards
Nyquist filter; all standards
video low-pass filter (M/N,
B/G/H, I, D/K, L/L-accent
standard)
M/N standard
B/G/H, I, D/K, L/L-accent
standard
peak value for B/G/H half,
D/K half, I flat, M (FCC) full,
L/L-accent full standard
negative modulation (all
standards except L/L-accent)
positive modulation
(L/L-accent standard)
±20 dB level change; video
settled within ±3 dB
at 60 dBμV (RMS) PC input;
±20 dB level change; video
settled within ±3 dB
IF AGC postfilter
negative modulation (all
standards except
L/L-accent)
positive modulation
(L/L-accent standard)
with TDA1827x;
positive modulation
with TDA1827x;
negative modulation
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
[4]
[5]
Min
-
−60
-
-
-
-
400
0.2
-
-
−20
-
-
0.9
Typ
1
-
−60
3.8
4.8
20
-
-
3
100
-
3 000
600
1.0
TDA8296
© NXP B.V. 2011. All rights reserved.
Max
-
-
-
-
-
40
-
-
-
-
+48
-
-
1.1
Ω
(CVBS) and
Unit
MHz
dB
dB
MHz
MHz
ns
Hz
Hz
ms
ms
dB
ms
ms
kHz
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