TDA3843 Datasheet, PDF (5/10 Pages) NXP Semiconductors – Sound-IF circuit for TV AM-sound standard L and L’

Philips Semiconductors
Sound-IF circuit for TV AM-sound
standard L and L’
Product specification
TDA3843
RATINGS
Limiting values in accordance with the Absolute Maximum System (IEC 134)
PARAMETER
SYMBOL
Supply voltage (pin 14)
Supply voltage (pin 11)
Operating ambient temperature range
Storage temperature range
Total power dissipation at V_P2
V_P1
V_P2
T_amb
T_stg
P_tot
MIN.
4.5
10.8
0
−25
−
MAX.
8.8
13.2
+ 70
+ 125
635
UNIT
V
V
°C
°C
mW
CHARACTERISTICS
V_P1 = 5 V (see note 1); T_amb = 25 °C; unless otherwise specified
PARAMETER
CONDITIONS
Current consumption
IF amplifier
Input resistance
Input capacitance
Minimum IF input signal
(RMS value)
Maximum IF input signal
(RMS value)
Gain control range
IF bandwidth
DC potential
AM demodulator
note 2
note 3
−3 dB
note 4
AF output signal (RMS value)
AF bandwidth
Total harmonic distortion
Signal plus weighted-noise
to weighted-noise ratio
(CCIR 468-3)
DC potential
Output resistance
Allowable AC output current
(peak-to-peak value)
Allowable DC output current
−3 dB, note 5
note 6
emitter follower
with 0.5 mA bias
current
note 7
SYMBOL MIN. TYP. MAX. UNIT
I₁₁
−
40
48
mA
R_1-16
−
C_1-16
−
V_1-16
−
V_1-16
70
60
50
V_1/16-3
−
2
−
kΩ
2.5
−
pF
70
100 µV
100
−
63
−
70
−
1.7
−
mV
dB
MHz
V
V_6-13
V_6-13
THD
440
550
0.02
−
−
1
660 mV
>100 kHz
2
%
S+W/W
50
V_6-13
−
R₆
−
±I₆
−
−I₆
−
56
−
dB
1.8
−
V
200
−
Ω
−
0.3 mA
−
1
mA
March 1991
5