Philips Semiconductors
BTSC-stereo/SAP/DBX decoder and DBX expander
Product specification
TDA3833
SYMBOL
PARAMETER
Composite input (pin 1)
Ri
input resistance on pin 1
Vi
input signal on pin 1 (RMS value)
L+R (all other signals in accordance
with BTSC system specification)
pilot threshold for MPX
hysteresis of threshold
Vi
pilot threshold for SAP
hysteresis of threshold
Gv
gain control range
V2
control voltage range (pin 2)
I2
input current (pin 2)
Voltage controlled oscillator (VCO) (pin 27)
fVCO
nominal VCO frequency (4fH)
∆f29
capture range
TC
temperature coefficient
Stereo indication output (pin 29)
V29
output voltage range
I29
output current active LOW
SAP/mono output (pin 7)
Vo
output signal (RMS value, pin 7)
output signal headroom
R7
RL
CL
THD
output resistance
load resistance
load capacitance
total harmonic distortion
B
frequency response 50 to 10000 Hz
S/N(W)
weighted signal-to-noise ratio
(CCIR468-3)
CONDITIONS
MIN.
TYP.
MAX. UNIT
see note 1
14
20
26
kΩ
70
100
140
mV
stereo on
−
stereo off
5
MPX
−
SAP on
−
SAP off
16
SAP
−
dependent on V2 ±5
−
V2 = VP/2
−
see note 2
−
nominal pilot
−
−
−
16
−
−
2.5
−
−
37
−
−
2
−
±7.5
−
1 to 4
−
−
5
62.94
−
−
1
−
50
mV
mV
dB
mV
mV
dB
dB
V
µA
kHz
kHz
10−6/K
stereo present
stereo not present
stereo present
−
−
VP−0.5 −
3
−
0.5
V
VP
V
−
mA
see note 3
mono
−
550
−
mV
−
9.5
−
dB
−
100
200
Ω
10
−
−
kΩ
−
−
500
pF
SAP signal
−
0.5
−
%
mono signal
−
0.2
−
%
mono; external
−3
−
−
dB
75 µs de-emphasis
mono; external
−
50
−
dB
75 µs de-emphasis
September 1992
6