TDA4482-D Datasheet, PDF (3/7 Pages) TEMIC Semiconductors – Quasi-Parallel Sound Processor for TV Sets

TDA4482-D
Electrical Characteristics
V_S = 12 V, T_amb = 25°C, reference point Pin 9, f_PC = 38.9 MHz, f_SC1 = 33.43 MHz, f_SC2 = 33.1578 MHz,
SC1/SC2 = 7 dB, unless otherwise specified
Parameters
Test Conditions / Pin
Symbol Min
Typ
Max
Unit
Supple voltage range
Pin 14
V_S
10
13.5
V
Supply current
Output dc voltage
Pin 14
I_S
55
62
80
mA
Pin 6, 12
V₀
3.6
V
Picture carrier input voltage
Pin 1–2
v
Min. sound carrier input (5.5 MHz-output signal
v
voltage SC1
–3 dB)
Pin 16–17
10
20
30
mV
50
mV
AGC range
60
65
dB
Audio output voltage
FM deviation = 27 kHz,
v
500
mV
Pin 6, 12
Audio-voltage difference
Pin 6, 12
Dv_AF
1
dB
between both outputs
Harmonic distortion ¹⁾ f_mod = 1 kHz,
THD
0.5
%
FM deviation = 30 kHz
Pin 6, 12
Limiting threshold
(V_AF–3 dB)
250
mV
AM rejection
f_mod= 1 kHz, m = 30% ³⁾
55
dB
V₃₍₁₅₎=10 mV,
f= 5.5 (5.74) MHz
FM amplifier input
R_3,15
560
W
resistance
Min. output load
Pin 6,12
R
3
kW
Signal-to-noise ratio (standard B/G) according to CCIR 468-2 specifications v_16–17: SC1 = 10 mV, SC2 = 4.5 V
PC: v_1–2 = 20 mV, prelimited demodulator picture carrier signal from TDA4453
Black burst
1. channel/ 2. channel ^2,3) (S+N)/N
62/60
dB
Pin 6,12
Grid test signal
1. channel/ 2. channel ^2,3) (S+N)/N
50/48
dB
Pin 6,12
1) _{FM tank circuits: operation quality factor = 22}
2) _{Standard B/G IF-modulated FBAS signal}
3) _{Reference signal: fmod = 1 kHz, FM deviation = 30 kHz}
TELEFUNKEN Semiconductors
3 (7)
Rev. A1, 29-Aug-96