TDA9855WP Philips Semiconductors, TDA9855WP Datasheet - Page 16

• Manufacturer Part Number: TDA9855WP
• Description: I2C-bus controlled BTSC stereo/SAP decoder and audio processor
• Manufacturer: Philips Semiconductors

Philips Semiconductors
1997 Nov 04
L
V
HEAD
Z
V
R
C
dbx
t
I
I
I
Rel
adj
s
s(range)
t
SYMBOL
INE OUT AT PINS
o
V
I
o(rms)
O
ct
L
L
I
decoder and audio processor
s
2
ST-SAP
rate
C-bus controlled BTSC stereo/SAP
NOISE REDUCTION CIRCUIT
o
nominal output voltage
(RMS value)
output headroom
output impedance
DC output voltage
output load resistance
output load capacitance
idle crosstalk L, R into SAP
idle crosstalk SAP into L, R
output voltage difference if
switched from L, R to SAP
stereo adjustment time
nominal timing current for
nominal release rate of
spectral RMS detector
spread of timing current
timing current adjustment
range
timing current for release rate
of wideband RMS detector
nominal RMS detector
release rate
LOL
AND
PARAMETER
LOR
100% modulation
100% modulation; f
L or R; line out switched to
SAP/SAP
100% modulation; f
SAP; line out switched to
stereo
250 Hz to 6.3 kHz
see Section “Adjustment
procedure” in Chapter
“Functional description”
I
(pin 22) via current meter
connected to
7 steps via I
nominal timing current and
external capacitor values
s
can be measured at pin 17
wideband
spectral
CONDITIONS
16
2
C-bus
1
2
V
CC
i
i
= 1 kHz;
= 1 kHz;
+ 1 V
9
0.45V
5
50
50
MIN.
CC
500
80
0.5V
24
1
125
381
30
3
I
s
TYP.
CC
Product specification
TDA9855
120
0.55V
2.5
3
1
15
MAX.
CC
UNIT
mV
dB
V
k
nF
dB
dB
dB
s
%
%
dB/s
dB/s
A
A