TDA8846 Ver la hoja de datos (PDF) - Philips Electronics
Número de pieza
componentes Descripción
Fabricante
TDA8846 Datasheet PDF : 68 Pages
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Philips Semiconductors
I2C-bus controlled PAL/NTSC/SECAM TV
processors
Tentative Device Specification
TDA884X/5X-N2 series
NUMBER
PARAMETER
CONDITIONS
MIN.
Tuner take-over adjustment (via I2C-bus)
M.5.1
minimum starting level for tuner
−
take-over (RMS value)
M.5.2
maximum starting level for tuner
40
take-over (RMS value)
Tuner control output (pin 54)
M.6.1
maximum tuner AGC output
voltage
maximum tuner gain; note 2 −
M.6.2
output saturation voltage
minimum tuner gain;
−
IO = 2 mA
M.6.3
maximum tuner AGC output
5
swing
M.6.4
leakage current RF AGC
−
M.6.5
input signal variation for
0.5
complete tuner control
AFC OUTPUT (VIA I2C-BUS); NOTE 14
M.7.1
AFC resolution
−
M.7.2
window sensitivity
−
M.7.3
window sensitivity in large
−
window mode
VIDEO IDENTIFICATION OUTPUT (VIA I2C-BUS)
M.8.1
delay time of identification after
−
the AGC has stabilized on a
new transmitter
Sound circuit
DEMODULATOR INPUT; (PIN 1)
G.1.1
input limiting for PLL catching
−
range (RMS value)
G.1.2
catching range PLL
note 15
4.2
G.1.3
input resistance
note 2
−
G.1.4
input capacitance
note 2
−
G.1.5
AM rejection
VI = 50 mV RMS; note 16 60
DE-EMPHASIS (PIN 55)
G.2.1
output signal amplitude (RMS note 15
−
value)
G.2.2
output resistance
−
G.2.3
DC output voltage
−
TYP.
0.2
60
−
−
−
−
2
2
125
275
−
1
−
8.5
−
66
500
15
3
MAX. UNIT
0.8
mV
−
mV
9
V
300
mV
−
mA
1
µA
4
dB
−
bits
−
kHz
−
kHz
10
ms
2
mV
6.8
MHz
−
kΩ
5
pF
−
dB
−
mV
−
kΩ
−
V
December 16, 1997
30
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